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Mini-X manual - Grand Rapids Technologies

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1. errerrerrrrereeienio zio renierioreoeone 41 5 5 Track Heading iIndicator oeeseeeoseseoseesoscssossseososeosossosossososessosessos 41 5 6 Attitude Indicator Artificial HOFiZON ccccssccssscsscccssccesscoeeees 43 5 7 Fl t Palh WGN CN essceeseac ceccceeensesecesccsusancevsacsnesesnenssccsesacosaeeeaeesnsevaeass 45 6 Revision A5 Mini X Installation Setup amp User Manual GRT Avionics TECO ARA 45 Sd EMOUIS AMS oeer a ani rari 50 6 1 Moving Map OVEIVIEW cccccesccscceccescescesccsccescescesccsccescescescescess 51 6 2 Moving Map Database cccccscsscsscescescescescescescescescescesceccesees 52 6 3 Map Screen Setup amp Customization Setup Menu 52 6 4 In Flight Map SeTUD cccssccsccescesccscceccescesccsccescescesccsccescescescees 54 6 5 Map Selection TOO reatino 56 Ba CPS RR E 57 7 2 Flight Planning with the Minl ccccscsscssscescescceccescesccsccescescesces 57 7 3 Airport Facilities Information amp Radio TUNING cccceccescesceceeces 63 7 4 Synthetic Approach SAP cccccsccecssscsccsccsccscescescescesceccescecesces 64 8 T PROTO PON cenere E E E E e 66 8 2 Trig TT22 Transponder eseeesssoessessossseeeoseososeseososessososeososeosososeoses 67 BS DIG REGOFGINO eoe E nona EE E E A E 69 A 1 Updating Mini SOffware cccccccsscsscsscesccscesccsccsccsccsccsccscceccecees 72 7
2. After the yellow EXECUTE softkey is pressed the autopilot will Fly toward the airport in HDG mode if you are following ATC vectors or if you are not approaching the desired runway at a natural intercept angle The autopilot will perform a simple turn onto the SAP when it captures the final approach course This can result in an abrupt course reversal if care is not taken to make a smooth intercept angle of 45 degrees or less onto the final approach course From the HOME or PFD screen press the right knob to activate the autopilot and approach controls B a 19 Chg Rwy Press the SAP softkey to highlight ARM then press EXIT A list of available runways appears on the bottom of the screen in the order in which they are favored by the winds aloft as calculated by the EFIS Yellow runways have a predicted 10 mph tail wind CAUTION Traffic and actual winds on the surface may require the use of a runway other than the one favored by EFIS calculations 9H 23L RUNWAY Turn the left knob to highlight the desired runway in a white outline box then press the knob to select it Notice the black SAPXX appears as the pending lateral and vertical autopilot guidance shown at right In this example we are set up to capture both the lateral and vertical components of the the SAP for Runway 08 baro setting and the yellow EXECUTE softkey appears on the bottom of the screen Press EXECUTE when you are ready to allow the autopilot to capture
3. Setup amp User Manual 5 9 2 Obstacles Towers and other obstacles in the 56 day Navigation Database are lou 170 displayed on the PFD as either simple lines or chart style graphic tower 161 TRK symbols The same altitude color coding as Terrain applies T M To choose how obstacles are depicted on the PFD screen 1 Press MORE gt Set Menu gt Primary Flight Display 2 Scroll to Obstacle Style and choose Line or Chart 5 9 3 Artificial Runways Runways can be displayed on the PFD as a black strip with centerline and runway designation number This is extremely useful for spotting runways from the air and for flying into airports with multiple runways NOTE Turf runways will be depicted as black strips even though they are not paved Private runways can be added to the database by adding them as User Waypoints To display runways on synthetic vision 1 Press MORE gt Set Menu gt Primary Flight Display 2 Scroll to Artificial Runways and select ON Runways from a distance 5 9 4 Grid Overlay The HXr can lay a grid onto the terrain of the PFD creating an amp am SE 290 enhanced sense of depth height and direction to the synthetic vision The grid is aligned with the cardinal true directions N S 277 IRK E and W It fades with height and distance to create an illusion i ae of space The squares are 12 arc seconds apart or about 1 215 Tee feet and follow the shape of the terrain To display t
4. 30 seconds NOTE The display unit itself will NOT reboot after the Air Data software upgrade Revision A5 74 Mini X Installation Setup amp User Manual 75 This Page Intentionally Blank GRT Avionics Revision A5 Mini X Installation Setup amp User Manual 76 GRT Avionics Revision A5
5. 44 Mini X Installation Setup amp User Manual GRT Avionics Slip Skid Inclinometer The electronic slip skid ball or inclinometer works using the internal accelerometers in the AHRS It can be turned off for decluttering purposes To turn it on or off 1 Access the Set Menu gt Primary Flight Display page 2 Scroll to Slip Indicator and select ON or OFF as appropriate 5 7 Flight Path Marker The flight path marker shows where the aircraft will go if all conditions of motion and wind stay the same Shown as a circle with three spikes it is a projection of the aircraft s flight path It combines many data factors including attitude airspeed and wind vectors calculated from GPS ground track ground speed airspeed and magnetic heading The flight path marker will appear to float about the display as the aircraft pitches and rolls This movement is most evident in strong crosswind or unusual attitudes For example during a properly flown crabbed crosswind approach the heading nose will point to the upwind side but the flight path marker center of mass will be superimposed on the virtual runway because that is where the airplane is going at that particular instant in time 5 8 G Meter 45 The G meter measures the G loading of the airplane based on forces measured by the accelerometers inside the AHRS It is displayed to the right of the airspeed tape on the Primary Flight Display G Meter Settings Settings ar
6. 5 or less READY EXIT 29 92 5 Find a heading such that the ground track indicator and the heading indicator triangles labeled H and T are aligned on the PFD or map page within 5 degrees This will result in the airplane flying directly into or with the wind 6 Establish the desired IAS for the correction Do not change the power setting until the calibration is complete 7 Press the READY softkey Maintain constant heading and altitude until the count down timer reaches 0 The Mini will average the data until the timer reaches 0 8 Turn to the reciprocal heading when prompted When established on this heading at the same altitude and power setting as in step 6 press the READY softkey The data will be collected until the count down timer reaches 0 The correction table will then display the correction completing the process 9 Repeat for other chosen speed realms such as approach or cruise speed If you feel that an entry in the calibration table is inaccurate it may be deleted by selecting it with the cursor box using the knob and pressing the DELETE softkey You will be asked to confirm deletion of this entry before it is erased These entries can be saved using the EFIS Settings Backup feature on the Display Unit Maintenance page They may also be manually entered if desired using the EDIT function Revision A5 36 Mini X Installation Setup amp User Manual GRT Avionics Section 5 Primary Flight Displa
7. 8 2 2 Transponder Mode Descriptions STBY The transponder is on but will not reply to any interrogations AUTO The transponder is in STBY until reaching 35 knots on takeoff when it changes to ALT mode automatically It reverts to STBY mode upon landing rollout when airspeed goes below 35 knots ON The transponder will respond to all interrogations but altitude reporting is suppressed ALT The transponder will respond to all interrogations including Mode C altitude reporting 000 OLO 03 EE ny Fa STO zd 80 cn STBY 5 wO AUTO _ 210 ALT ee CODE IDENT ALT 67 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 8 2 3 Transponder Mode Code Display Once the TT22 A B port or serial port is set up there is a Transponder display box in the lower left hand corner of the EFIS screen under the airspeed tape This box shows the active mode and squawk code 8 2 4 Mode Selection 1 Press any key on the Mini to make the softkeys appear then press XPDR softkey 2 Press the softkey under the MODE column until the desired mode is highlighted Then press EXIT 3 By highlighting the AUTO mode the transponder automatically enters ALT mode when the EFIS senses an indicated airspeed of 35 knots Under 35 knots it assumes ground operation and reverts to the STBY mode 8 2 5 Code Selection 1 Press the XPDR softkey to bring up the Transponder controls 2 Press the CODE softkey to bring up t
8. Fixes 5001 7000 The FIX softkey allows you to choose which fixes to 7001 9000 display on screen for decluttering purposes Above 9000 55 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 6 5 Map Selection Tool The yellow Map Selection Tool cursor can be used to e Select and go direct to a waypoint e Access the Waypoint Information Page e View airport information and airspace dimensions A data box appears above the knob that displays important information for map features highlighted by the yellow Map Selection Tool cursor To use the Map Selection Tool 1 From the Map screen press the knob The blue window above the knob will say CURSOR PUSH Push the knob again to bring up the Map Selection Tool cursor 2 Rotate the knob until the yellow line intersects the waypoint or airspace in question The edges of selected airspace glow turquoise The dimensions are displayed on the map and in a data box below the airplane symbol When airspace is highlighted the data box displays the airspace class altitude range and the bearing distance to the point highlighted For airports the data box displays the identifier and bearing distance to the center of the airport After highlighting a waypoint e Press the right knob again to display the Waypoint Details page Press the P gt direct to softkey to create a Direct To flight plan to the selected waypoint e Press NEAR softkey then AIRPORTS or NAVAI
9. G Meter Enter the maximum positive limit and minimum negative limit of your aircraft in the G Meter Minimum and Maximum settings Set the Caution limits the same way the G meter turns red if the Max Min limits are exceeded and turns yellow if the Caution limits are exceeded Your aircraft designer may have established caution levels or you can choose your own G Meter Data Logging G force data is recorded with all of the other AHRS data during a demo recording For instructions on how to record a permanent record of your G readings see the Flight Data Recording Feature of the Week on the GRT website for automatic recording of flight data or Section 7 of this manual G Meter Limitations The G meter has the same limitations as the AHRS 10 G of acceleration Revision A5 46 Mini X Installation Setup amp User Manual GRT Avionics 5 9 Synthetic Vision Features amp Settings Synthetic vision SV is standard on the Mini X It displays a 10 mile out the window view on the PFD of terrain runways and obstacles GRT factory technicians load the synthetic vision terrain database appropriate for the area of the world in which each Mini will be used prior to shipment NOTE Synthetic vision is dependent upon GPS signal for proper depiction relative to the internal terrain database NOTE The synthetic vision terrain database does NOT need to be periodically updated and is not downloadable from the GRT website due to its large
10. Manual GRT Avionics Contents MINXERS s i i RI O rn 1 Warranty amp Return POLICY ccccccscsscssccsccscescecceccecceccsccscescescescescesseees 4 LI PROUT TINS MIN tare ca 8 1 2 Tools amp References for Installation eerrrerrrrerrceziceene 8 1 3 Mini System REQUIFEMENTS cccccccsccsccccsccsccsceccscesceccscsssecesceees 8 1 4 AHRS Specifications and Limitations verrerrrrerecrerierenio 9 1 5 Basic Controls of the MiINI cccssccssssccsssccsssccsssccnssccssccnssconess 11 2 1 Mini X Connector Definition eesseeosecoseessecosecosecosecosesoseeosseose 15 2 2 General Wiring Guidelines ccccsccscceccecceccescescescescesccsccsceess 17 2 3 POWEF C OMMCCIIONSS opie cegsetesswareuscorscacenvadeecerterscaswoceectesrsenses E 17 2 4 Autopilot Source Switch Optionall cccccescssccsccsscescescescesceess 18 2 5 Magnetometer Wiring Optional Recommended 18 2 6 Inter Display COMMUNICATION ccccscsccscscceccscsccccsccscecscscesces 18 2 7 Trig TT21 TT22 Transponder INterace ccssccsscssccesccsscesccesceecs 19 2 8 General Serial Port Wiring INFOrMATION ccccecceccescescescescescees 21 3 1 Placement of the Mini on the Instrument Panel 22 3 2 MOUNTING HOrdwale cccccsscssccsccescescesccscceccescescescceccescescesc
11. Menu items Press for Autopilot Source Display Options PFD Level 3 Softkeys typical nen a Taj DEMO 2 ii a AIP Lina m PUSH CHANGE PY SNA STOP Exit 2BARO Led Error or Manually Press when Turn to adjust Altimeter Setting Warning Record or finished with Press for Autopilot Details Play Demo softkeys File 12 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 1 5 3 Moving Map Softkey Functions Optional 1 Press the MAP softkey to display the Moving Map page GRT Avionics Mini X 12 30 13 SRS PUSH 10 RNG Primary Cycle thru Screen More e Turn to adjust map range Flight map views Dimmer items e Press once for Heading Bug Display amp HSI or Trans e Press again for Map Selection Tool ponder cursor and Nearest selection softkeys mer Level lo ini typical do y pea Lg TEDE La MODE E GPS1 NONE EM ore Ki J Choose Choose Choose More e Turn to adjust map range Map Fixes to Nav items Press once for Heading Bug Shading Display Source e Press again for Map Selection Tool cursor and Nearest selection softkeys Revision A5 13 Mini X Installation Setup amp User Manual GRT Avionics Map Level 3 desis typical sue FOSSE en 000 35 Mre J Be ENAV 1 lie PLAN Choose Lateral See objects View More e Turn to adjust map range Autopilot off the edge Create Edit items e Press once for Hea
12. Revision A5 Mini X Installation Setup amp User Manual GRT Avionics 1 1 1 2 1 3 Section 1 Introduction About the Mini X We designed the Mini with two main goals in mind A small lightweight economical VFR EFIS system for LSA and light kitplanes and an affordable high quality backup to larger EFIS systems for IFR operations The Mini utilizes the same pilot interface as the popular Horizon and Sport series If you already use GRT avionics for your primary flight display you will not have to remember a different brand s buttonology in an IFR emergency The Mini has a built in GPS for navigation so you will always know where you are In addition to the basic backup flight instruments all models of the Mini can also serve as a Serial altitude encoder for any modern transponder and serve as a control head for a remote Trig TT22 transponder To top it off the brilliant 1200 nit high resolution display shared by all three Mini models ensures great visibility in all lighting conditions Tools amp References for Installation In addition to basic mechanical hand tools a D sub pin crimper is required in most installations A basic 4 way indent crimper is available from SteinAir for less than 35 We supply a few loose male and female pins with your wiring harness and we have them available for sale if you need more If you are new to electrical systems and wiring we highly recommend reading 7he AeroElectric Connecti
13. Rotate the knob to turn it ON Set the baroset to the currently reported altimeter setting Use the knob to highlight the Bias setting Adjust the setting until the altimeter matches the airport elevation Note that there is about a 2 second delay until adjustments are reflected in the displayed altitude Press the SAVE softkey then EXIT Calibration is complete Do not alter any other altitude settings The altimeter calibration will be turned off automatically when this page is exited Altimeter Calibration Setting Value gt Calibrate Of SAVE CANCEL MAIN 32 Mini X Installation Setup amp User Manual GRT Avionics 4 9 Full Altimeter Calibration Using Air Data Test Set This calibration adjusts the relationship between the altitude display and the barometric pressure setting using an Altimeter Test Set L 2 8 9 Turn on the Mini and allow at least 5 minutes to elapse before continuing Connect test set to the pitot AND static ports of the Mini Set the test set to sea level 0 From the PFD page use the knob to adjust the baroset to 29 92 on the Mini Access Set Menu gt Altimeter Calibration Verify the baroset is 29 92 Use the knob to highlight the Bias setting Temporarily adjust the Bias setting until the altimeter reads 0 feet Set the altimeter test set to 30 000 ft and note the Mini altimeter reading Calculate the scale factor as follows Calculate the Altitude Error a
14. amp User Manual 2 8 General Serial Port Wiring Information The Mini s RS 232 serial ports can be used to connect the Mini to a variety of interfacing equipment In systems using a larger GRT display unit as the primary EFIS the Mini X serial ports will most likely be used to connect to the GRT Autopilot servos and the primary GRT EFIS screen for limited data sharing including flight plans screen dimming and altimeter settings Radios with a serial interface can be tuned from the Mini s Waypoint Details frequency list Serial Port Basics All serial ports have two parts IN Receive and OUT Transmit Data packets are transmitted or received at a certain rate called the baud rate Every device that connects to a serial port has a published baud rate which must be entered into the Serial Port Rate setting for the device to communicate with the Mini Some devices use both the IN and the OUT channel on a serial port and some use either IN or OUT If two devices share one serial port the baud rate of both devices must be the same For example the Mini can take GPS position from a handheld GPS but it can t talk back to the GPS therefore the GPS only requires the IN half of the serial port The Mini transmits encoder data to a transponder but cannot receive data from the transponder The GPS and transponder can share the same serial port IF both devices use the same baud rate Choices available for the Mini serial interface inc
15. as ferrous metal objects NOTE The AHRS will not allow magnetometer calibration to be initiated if the airspeed is greater than 50 mph to prevent inadvertent selection while in flight If calibration is successful the existing calibration data if any will be replaced with the new corrections The Magnetometer Calibration page will help guide you through this procedure with its on screen menus and prompts Ideally the engine should be running and electronic equipment turned on during calibration to simulate the electromagnetic field in the aircraft during flight conditions 1 Point the aircraft to magnetic north in an area without magnetic disturbances such as a compass rose A simple means of pointing the airplane toward magnetic north is to taxi the airplane slowly and use the GPS ground track to determine when you are taxiing in a magnetic north direction Make small corrections to the direction of travel of the airplane and continue to taxi for several seconds for the GPS to accurately determine your ground track The GPS cannot determine your track unless you are moving Revision A5 GRT Avionics Mini X Installation Setup amp User Manual It is also possible to orient the airplane to magnetic north using the magnetometer itself This technique is more accurate assuming the magnetic disturbances from the airplane are minimal in the north direction We recommend using this technique first performing this calibration and then val
16. file size Contact GRT for support if you encounter any problems with the synthetic vision database or if you are flying in an area of the world that is different from the database loaded in your system To access synthetic vision database status for troubleshooting access the Set Menu gt Display Unit Maintenance gt Database Maintenance page 5 9 1 Terrain Alerts Terrain features are presented on the primary flight display as they would appear out the window Mountains rivers lakes valleys and other features appear on the screen and help guide the pilot in low visibility situations In addition to the normal green to brown terrain shading portions of the surrounding terrain that are close to the aircraft s present altitude can be colored yellow 500 1000 feet below the aircraft and red within 500 feet of the aircraft s altitude and higher NOTE Turning terrain warning ON will color all terrain within 1000 feet of present altitude even during landing approach Some passengers may find this to be alarming To turn on red and yellow terrain warning shading on the PFD shown below 1 Press NEXT to activate the SV softkey i a 328 TRK 2 Press the SV softkey to highlight M e TERRAIN To turn off terrain warning shading a 1 4 BJ S tn DI DI 1 Press the SV softkey to highlight ON and display the normal SV shading 47 Revision A5 GRT Avionics Mini X Installation
17. is installed it overrides the Internal which is then used only in the unlikely event of failure of the remote unit 1 4 1 Mini X AHRS and Loss of GPS Data Normal Operation Attitude data will be full accuracy when valid external magnetometer data or GPS ground track data is available If no valid external magnetometer is available and the GPS ground track data is lost because the airplane is moving less than 4 mph or the GPS is not able to provide position data and the AHRS will attempt to use its internal magnetometer If the internal magnetometer is too inaccurate due to magnetic disturbances near the instrument the ground track display on the PFD screen will show dashes The AHRS will provide full accuracy attitude information for at least 5 minutes CAUTION If the EFIS is unable to provide any heading or track data the heading ground track display on the PFD screen is shown as dashes for extended periods of time more than 5 minutes the attitude data could become less accurate Revision A5 9 Mini X Installation Setup amp User Manual GRT Avionics Figure 1 1 Mini Dimensional Drawing all models rr sth GRT Mini 01 Mar 2014 Notes e Cutout dimensions 4 15 x 3 30 e Unit is centered within the cutout e Mounting screws are 4 e Mounting bolt pattern is centered on bezel outline 10 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 1 5 Basic Controls of the Mini The Mini ha
18. made 2 0 seconds is recommended Default Page Choose the page that appears when AHRS alignment is complete Most users will use the PFD as default but some may choose to display the Map or HSI If you have two Minis installed one can be set to the PFD while the other can default to the Map page Speed Distance Units Choose your preferred units for the airspeed tape and waypoint information Temperature Units Degrees Fahrenheit or Celsius Clock Turn clock ON to display Enter the difference between your local time and Zulu time Time is kept through the internal GPS DEMO Settings Set up your preferences for data recording off the Mini Flight data also known as Demo files can be set to record onto a USB thumb drive installed in the Mini USB port Note that all flight data including EIS engine and environmental information can also be captured by other GRT display units in the system More information on data recording can be found on the GRT website Feature of the Week page at http grtavionics com datarecording html SNAP Button Allows a softkey to be used to snap screen shot images in flight as a PNG image file recorded to the installed USB stick Available on many pages that have an unused softkey Show DEMO Filename Shows the file name on the screen when playing back a demo recording on the Mini ALWAYS SAVE your settings before exiting the Set Menu Revision A5 25 Mini X Installation Setup amp User Manual GRT Avi
19. motion sensing trend vectors and environmental information to the scan as well LA ivy Fi providing an intuitive feel for the pilot The total picture offered by the 10 J artificial horizon consists of several graphical elements working together i Attitude Reference Index The Attitude Reference Index is always the in the same position relative to the aircraft The horizon line pitch ladder and sky pointer move in relation to it providing the indications of pitch roll and which way is UP Attitude Reference Index with Flight Path Marker The traditional attitude bars or wings can be replaced by a nose indicator shown at right This small indicator concisely displays the nose position of the Ji aircraft relative to the horizon To select Nose or Bars wings 1 Access Set Menu gt Primary Flight Display gt Attitude Reference Index 2 Select NOSE or BARS Pitch Ladder Offset The Pitch Ladder is a portion of the artificial horizon that depicts the pitch angle of the aircraft in relation to the horizon It consists of horizontal lines above and below the neutral horizon line The ladder rungs are in 5 degree increments In the screenshot above right the pitch angle of the aircraft is about 2 5 degrees nose high as shown by the Attitude Reference Index bars crossing halfway between the first rung above the zero pitch horizon line In the screenshot at right note the white circle that marks th
20. s Guide Rev C WARNING Synthetic Approach is derived from a non certified VFR GPS and VFR navigation database waypoints which may not be accurate Synthetic Approach paths have not been evaluated for obstacle and terrain clearance and therefore are not approved for IFR use Synthetic Approach is available only when the following conditions are met 2 The last waypoint in the flight plan is an airport included in the GRT navigation database with information about runway orientation position and elevation OR 3 An approach has been loaded into a connected IFR GPS navigator and the EFIS is able to determine the selected airport and runway from that 4 AHRS Air Data Computer and GPS data are valid Capture of the SAP should occur e Within 20 miles of the destination airport e 2 5 degrees off of the extended runway centerline or localizer course e On a preferred intercept angle of 45 degrees or less but can occur at any angle e When the aircraft is below glideslope intercept altitude Abrupt dives can occur when the aircraft intercepts the SAP above the glide path Flying the Synthetic Approach 1 Ensure the last waypoint in the active GPS flight plan is the destination airport If the autopilot is installed and engaged it can capture the synthetic approach from any mode 64 Revision AS Mini X Installation Setup amp User Manual GRT Avionics 65 After the runway is chosen a reminder appears to check the altimeter
21. show as white centerlines To turn course ribbons on and select their form 1 Press MORE gt Set Menu gt Primary Flight Display 2 Scroll to Course Ribbons Select NONE CENTER or BOUNDARIES Magenta waypoint balloon marks the active waypoint Active leg of flight plan denoted by course ribbon boundary is shown Revision A5 Mini X Installation Setup amp User Manual GRT Avionics 5 9 7 Enroute HITS Enroute HITS Highway In The Sky is a series of boxes drawn along a Sequence Mode GPS flight plan The boxes move up and down according to the altitude bug forming a visual corridor that is centered on the set course and altitude Enroute HITS will appear only if e Enroute HITS is turned ON in the Primary Flight Display set menu and e The airplane is on the active leg of a Sequence Mode flight plan with a defined beginning and ending waypoint NOTE The HITS boxes do not anticipate turns 4 160 Q SL _ i SE P 1 F a gt la dea 4 E bb 101 G 500 ML 2622 15 DEMO 20130728 161836 3 LOG onsi 29 89 Magenta HITS boxes are shown here with the centerline Course Ribbon leading to a waypoint balloon in the distance 120 50 Revision A5 Mini X Installation Setup amp User Manual GRT Avionics Section 6 Optional Moving Map amp HSI 6 1 Moving Map Overview When equipped with the optional Moving Map HSI software the Mini features a set of moving map screens including an
22. the approach and begin descent to the airport You can also SAP capture is pending just hand fly the approach using the HITS boxes as a guide automatically capture the lateral and vertical guidance of the SAP when it is within intercept range Operate the throttle and trim as necessary SAP is captured on approach and disengage the autopilot when ready to land If a missed approach is necessary apply power as required and press the MISSED softkey to command the autopilot to fly runway heading and climb to the missed approach altitude preset Revision A5 GRT Avionics Mini X Installation Setup amp User Manual Section 8 Miscellaneous Features 8 1 Autopilot When the aircraft is equipped with GRT autopilot servos the Mini X is a self contained 1 or 2 axis autopilot It provides the following controls based on internal AHRS GPS course and optional VHF navigation data Lateral Autopilot e Heading Select amp Hold e GPS Navigation e VOR LOC Navigation Vertical Autopilot e Altitude Select amp Hold cpsi 000 010 m TRK 50 VS 1200 J 2 i Z 3000 00 x 2680 hu i Jl a 156 z VERT A P GS al 10 nni ELO PUSH ss rey CE r iii 010 ENAV GPS2 Mita OFF Exit HDG NOTE This manual covers autopilot controls and features unique to the Mini X For instructions on installing and wiring GRT servos autopilot switches and flight testing please see the GRT Autopilot Installation amp Setup Manua
23. the engine 2 Access Set Menu gt AHRS Maintenance Locate Magnetometer Heading field on this screen NOTE Do not use the heading data shown on the heading tape on the PFD for calibration because this is a composite reading of several other pieces of information The Magnetic Heading field contains instantaneous data on magnetic heading only 3 Observe the Magnetic Heading and verify it does not change by more than 2 degrees while doing the following a Turn on and off any electrical equipment whose wiring passes within 2 feet of the magnetometer b Move all flight controls from limit to limit c Shut down the engine and observe the heading while the engine is not running d For aircraft with retractable landing gear If the magnetometer is located within 2 feet of retractable landing gear support the aircraft using proper jacking equipment then observe the heading while operating the landing gear e If greater than 2 degree change is noted either relocate the magnetometer or the offending wiring or metallic materials Recheck If there is any doubt about a location try moving the magnetometer to another location Use tape or other temporary means to hold it in place and repeat the test 4 While the calibration procedure can remove errors as large as 127 degrees accuracy is improved if the location chosen for the magnetometer requires corrections of less than 30 degrees To check the uncorrected heading error a Go
24. to 1 0 nm full scale in terminal phase within 30 nm of the destination to 0 3 nm during approach phase Approach phase can be detected by the GRT only when Aviation format of GPS data is provided to the GRT Sport The scale is indicated under the left side of the CDI bar In addition to the CDI bar the active waypoint and time distance to that waypoint are displayed on the PFD Location to be determined in the next software release Flight Planning with the Mini The Mini can take a flight plan in several different ways e Enter Direct To single waypoint or Sequence Mode multiple waypoint flight plan directly into the Mini using the waypoint entry page This is called an Internal flight plan because it uses the Mini s internal GPS or a GRT GPS module e Follow an External Flight Plan from a connected GPS such as an iFly 720 or Garmin Aera External Flight Plans cannot be edited within the Mini They must be edited by the device that created them However they can be copied into the Mini unit to become an Internal flight plan e Import a GPX flight plan from a USB stick such as one created with iFlightPlanner com Imported GPX flight plans are considered Internal and can be edited in the Mini Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 7 2 1 To Go Direct to Nearest Airport or Navaid 1 Press FLIGHT PLAN softkey to bring up the Active Flight Plan page 2 Press gt Mode softkey 3 Press NEAR so
25. to Mini USB adapter to accommodate a standard USB stick Be sure to bring this along when you go to the airplane to update the software Revision A5 72 Mini X Installation Setup amp User Manual GRT Avionics 73 1 Insert the USB drive into the computer s USB port A window may pop up that says Auto Gue Computer Removable Disk D v 44 p Play This window will also list the USB Ors nize newtolde D drive s name as Removable Disk with a 4 Favorites letter designation Remember this name suli because it will make it easier to find the USB ia drive on your computer Open the USB drive to view the files You may select and delete sit the factory SanDisk files if you wish Delete Homegroup all files from the drive with dat and db P Katie extensions a Computer dia os C 2 Go to the Software web page for the Mini rm system Find the Display Unit software 4 i Network download link domo Filename SSXUp 3 Click DOWNLOAD with the right mouse Save as type DALEle doti z button and select Save Link As The EMO i window at right will appear Click on the L name of the USB drive under the Computer heading to tell the computer to save the file onto the USB drive 4 Save the file in the root directory of the drive This means it is NOT inside a folder but in the open The Mini will not see the file if it s hidden inside a folder on the US
26. B drive IMPORTANT Make sure the filename does not have any numbers in parenthesis after it The Mini will not recognize the file if the name has been changed Example MiniUP dat is the only name recognized for Mini display software but if the file already exists on your computer the computer may try to rename it MiniUP 1 dat Just erase the 1 5 Repeat steps 3 and 4 for any new AHRS or Air Data software files 6 If desired go to the Navigation Database updates web page also under the Software menu of the www grtavionics com website Repeat steps 3 and 4 above to save the current Free U S Navigation Database file to your USB drive 7 Goto the airplane 8 Power up the Mini Insert the USB drive with the Mini USB adapter into the USB port in the back of the unit or into the USB extension cable if so equipped A 1 3 Load New Display Software Into the Mini 1 Press the SET MENU softkey Turn the knob to scroll to Display Unit Maintenance Press the knob to select 2 Turn the knob to Load EFIS Software and press the knob The screen prompts you Load EFIS Software ARE YOU SURE Press the YES softkey 3 The display unit will find the software file on the USB drive and upload it When it s finished it will automatically reboot Revision A5 GRT Avionics Mini X Installation Setup amp User Manual A 1 4 Load New Navigation Database 1 Press the SET MENU softkey Turn the knob to scroll to Display Unit Mai
27. D screen 1 Press the knob once then rotate it to display the desired heading in the Heading Select Window right The numerical compass position of the bug will display in the window above the left knob and the visual bug indicator will slide across the heading tape of the PFD or the arc on the map page or HSI 2 Formore information about using the heading bug with the autopilot please refer to the Autopilot section of this manual WARNING Moving the heading bug while the autopilot is engaged in Heading Mode will result in an immediate turn to the new heading specified by the bug Revision A5 Mini X Installation Setup amp User Manual Heading Track Z VERT A P ag amn PUSH 115 Exit HDG 3 Heading Select Window 42 Mini X Installation Setup amp User Manual GRT Avionics 5 6 Attitude Indicator Artificial Horizon The Artificial Horizon is just that a pictorial representation of the earth The blue portion represents the sky the green or brown portion represents the ground The Mini X displays a computer generated representation of the view out the window using GPS based technology known as synthetic vision to enhance the artificial horizon and make it more realistic By adding details such as mountain peaks runways and obstacles to the pilot s instrument scan field of view the system adds intuitive situational awareness even in low visibility and instrument conditions Other instruments add
28. DS softkey to choose a list of nearby waypoints NOTE The WPT DETAILS softkey always shows the details for the active waypoint in the flight plan NOT the selected waypoint on the map 12 09 21 fi OPEL o La 0 DETAILS Buette OTTO va Keysi PUSH WPT 23FL DETAILS e NEAR eli Exit 260 6 9 Revision A5 56 Mini X Installation Setup amp User Manual GRT Avionics 7 1 7 2 5 Section 7 Flight Planning amp Navigation GPS CDI Bar The GPS CDI Course Deviation Indicator is located at the bottom center of the screen It displays cross track deviation the distance from the aircraft s current position to the course line connecting the previous and next waypoint in the GPS flight plan The cross track deviation is represented by the distance of the vertical magenta bar from the center of the CDI scale A deflection to the left indicates the airplane needs to be maneuvered to the left to get back on course The center of the CDI includes a triangle that points up or down to indicate TO or FROM the GPS waypoint respectively Note FROM indications result in reverse sensing for the deviation indicator identical to that of a VOR type CDI indicator This allows normal sensing when tracking outbound from a GPS waypoint The deviation bar and TO FROM indicator are be displayed whenever a waypoint is active in the GPS flight plan The scaling of the CDI indicator changes automatically from 5 0 nm full scale when enroute
29. ESRI Mint X EFIS Installation Setup and User Manual GRT Avionics ss ea Soe a 020 T 0300400050 10 036 TRK Revision A5 07 March 2015 Mini X Installation Setup amp User Manual GRT Avionics Copyright 2014 EORI 3133 Madison Ave SE Wyoming MI 49548 616 245 7700 www grtavionics com 2 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual Mini X Manual Revision Notes Manua Sonwane Change Description Revision Revision 9 P 06 June 7e 2014 Initial Release 16 Jun 2014 Appendix A 1 5 and A 1 6 Corrected and clarified AHRS and Air Data fe Software update instructions Added amp clarified wiring options for Trig TT21 TT22 remote transponder 16 Jul 2014 Section 2 5 Added TT22 to list of choices for RS 232 serial ports Section 2 6 Added information about PFD navigation options Waypoint Balloons Course Ribbons and Enroute Highway In The Sky Section 5 9 27 Aug 2014 Added information about the Synthetic Approach Section 7 4 29 Aug 2014 Das Fixed typographical errors in Section 4 6 and 4 7 11 Feb 2015 Improved Magnetometer installation and calibration instructions Updated image of North Up map presentation with compass rose 1 la 1b 1d Section 6 4 1d d Revision A5 3 Mini X Installation Setup amp User Manual GRT Avionics Thank you for choosing GRT Avionics We hope you enjoy your new avionics system for many years to come Warranty amp Return Po
30. HSI to assist with GPS navigation and VOR LOC tracking if a nav radio is connected To access the Moving Map screen from the PFD press the MAP softkey Each view of the map provides the following features Aeronatuical features Airports airspaces fixes and navaids When zoomed in runways are displayed as individual strips with labeled extended runway centerlines Topographical features Cities towns major roads borders rivers lakes obstacles and terrain Terrain can be color coded as a visual proximity warning Airplane symbol Represents your present GPS position and track Range Zoom Turn the knob to zoom in and out Compass rose Heading arc Magnetic compass reference 180 arc or 360 compass rose Path Line Thin white line represents either present heading or present ground track as set in the Moving Map setup menu and radiates forward from the airplane symbol Track Up view only Flight Plan Course Lines Magenta is the active leg all others are white See Flight Planning amp Navigation Heading Bug Course Line Green course line that appears when the EFIS is set to navigate in HDG mode GS 145 F090 31 0 Planta Gity RNG 10 nmi Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 6 2 6 3 Moving Map Database The moving map is derived from the internal synthetic vision terrain database the GRT cities water railroads roads state boundaries database and the Navigation Data
31. T Follow the GPS CDI indicator and the waypoint bearing information on the PFD At any time during the flight To add a waypoint to the middle of the flight plan highlight the adjacent waypoint and press INSERT BEFORE then repeat step 2 To activate a leg in the middle of the flight plan highlight the second waypoint in the leg and press SET LEG ACTIVE FLIGHT PLAN KLAL KSYI RNG BRG ETE 18 5 021 0 11 207 8 339 2 53 KSYI 299 3 340 6 45 Knob Sidebar Functions Press the knob to activate the sidebar cursor e Clr FP Clear all displayed waypoints and start over e User WP Create a custom User Waypoint or select one from your list e Save Saves the current Flight Plan to memory e Rev FP Reverses current flight plan to fly back home e Sel FP Displays a list of previously saved flight plans so you can select one e Del WP Deletes the highlighted waypoint in the current flight plan e Details Shows Airport Waypoint Details Page for selected waypoint Includes elevation runways frequencies fuel lat long and city See Details Page later in this section for more info Go Direct Go direct to the highlighted waypoint then resume flight plan e PFD On Displays a basic horizon line with airspeed and altitude in the background e External Displays External Flight Plan from a connected external GPS e Copy Copies the current flight plan to the USB stick e Import Displays a list of available GPX flight plans to import from th
32. ach feature along with instructions for configuring it to match your airplane and personal preferences 37 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 5 2 Airspeed Tape The primary function of the airspeed tape is to display indicated airspeed and its associated color bands all of which are fully programmable according to the aircraft design limitations It also has several supplemental sources of information to provide the pilot with an intuitive sense of airspeed change as well as true airspeed and groundspeed The instantaneous airspeed readout is contained in the black box with large bold numbers The digits appear to roll by smoothly as speed changes The units of distance speed are displayed below the digital readout True airspeed TAS is displayed in the upper left corner while GPS groundspeed is displayed in the lower left corner as shown below True Airspeed gt El a TAS Gi Indicated Airspeed gt 5 Fi Speed Distance Units gt LSE z Trend Arrow Ground Speed gt GS Trend Arrow The trend arrow points to the predicted speed of the aircraft in 5 seconds at the current rate of acceleration V Speed Reference Markers The airspeed tape also features three programmable V speed reference markers that appear as magenta triangles with letters X Y amp G these stand for for Vx Vy and Ve best glide Vx alrspeed marker alongside the green and wh
33. alibration page Do not activate the calibration this time 13 Rotate the airplane through 360 degrees and inspect the Calculated Error graph the red line drawn on the screen The magnetic heading errors should be less than 5 degrees and can typically be reduced to about 2 degrees Accurate magnetic heading is required for the AHRS to display accurate heading data and to allow accurate wind speed direction calculations The graph will also show the correction stored in the AHRS as a green line The green line will be within the 30 degree range if the magnetometer was mounted in a good location and the orientation was set prior to calibration The status of the magnetometer correction data is indicated by the field next to the Magnetometer Calibration setting on the AHRS Maintenance page If the field has the message Change to open page then no valid data is stored within the AHRS and it must be recalibrated If the field says Valid it means that the data is present Keep in mind that the accuracy of this data is not assured because it is dependent on how carefully the user performed these steps The calibration data should be cross checked with reliable ground references such as a compass rose or runway headings before flight Measuring the Accuracy of the Magnetic Heading The accuracy of the magnetic heading can be easily observed while taxiing and comparing the magnetic heading displayed on the AHRS maintenance page to th
34. an RS 485 based serial format that is compatible with the Trig controls When the dedicated TT22 port is used do not use the GRT Trig TT21 22 Serial Adapter which is RS 232 based 1 Wire the TRIG TT22 A and TRIG TT22 B pins on the Mini s DB15 connector to either of the Trig s two TMAP sets as shown below 2 Wire Pin 13 on the transponder directly to ground to allow the transponder to power up Option 2 Wire the Trig to both the Mini and one other GRT EFIS screen Applicable only to Sport SX and Horizon HX HXr Because Sport and Horizon screens do not have a dedicated RS 485 based Trig port you must attach a GRT Dual Control Serial Adapter to the transponder TRIG TT22 A Trig 1721 22 Remote Unit which is then wired to an RS 232 serial port on both the Sport Horizon and the Mini as shown below Wiring and setup information can be found in the GRT Trig TT21 22 Supplement downloadable from the GRT website under Support gt Documentation gt Equipment Supplements Follow all other instructions in the TT21 22 installation manual for wiring and setup Instructions for how to operate the transponder through the Mini pilot interface are found in Section 7 of this manual Serial IN Trig TT21 22 Remote Unit Serial OUT GRT Trig TT21 22 Sport SX Dual Control Adapter 7 Horizon HX Serial OUT See GRT Trig TT21 22 or HXr Supplement for complete wiring information Revision A5 GRT Avionics Mini X Installation Setup
35. appropriate for the aircraft s climb performance The actual rate of climb will still be displayed numerically even if the visual indicator is maxed out 5 5 Track Heading Indicator 41 The heading tape covers a 70 span and is presented on top of the PFD screen In addition to the large HDG or TRK value in the main heading track window it displays three parameters with the following white or magenta symbols The symbols are magenta when they are selected for navigation The bearing and track symbols fit inside each other so they create a nice visual effect when the aircraft is on course l Bearing to GPS Heading Heading i Track B YAN GPS Ground Track or Magnetic Heading Waypoint or Track Track Bug VV Bearing or course to current GPS waypoint CI Heading Track Bug i vel 150L0 166 1 40 Heading HDG or Track TRK Window NOTE TRACK is the only available direction indicator for the Mini B and stock Mini X With the addition of the optional remote magnetometer the Mini X can also display magnetic heading When the remote magnetometer is installed and enabled choose whether to use Track or Heading on the PFD on the Set Menu gt Primary Flight Display page Revision A5 GRT Avionics Using the Heading Bug NOTE If Track TRK is being used as the Heading reference the Heading Select Window and Heading Bug will refer to GPS track not magnetic heading To change the position of the heading bug from the PF
36. art can cause the Mini to reboot An installed backup battery will dampen this effect but it is good wiring practice to isolate EFIS avionics from the starter circuit Circuit Breaker Power supplied to the Mini must pass through a fuse circuit breaker or system such as a Vertical Power electronic circuit control system It should be sized to allow at least 1 2 amp At full brightness the Mini consumes approximately 1 4 amp The Mini contains internal thermally activated fuses to protect the equipment from internal electrical faults Power Inputs The Mini has one power input to be connected to the aircraft s electrical system plus an option for an internal backup battery which is charged through the main power input Revision A5 17 Mini X Installation Setup amp User Manual GRT Avionics Voltage Monitor The Mini monitors its power input and backup battery level A warning will flash to annunciate the loss of any power source that was provided and is expected to be working according to the General Setup menu Ground Connection The cable assembly provided includes 22 gauge wire for the ground return of the Mini This will result in a voltage drop of about 0 015 V foot which is acceptable for wire lengths up to 10 feet 2 4 Autopilot Source Switch Optional 2 5 2 6 If another GRT EFIS screen is used for the primary display wire a switch into the instrument panel to allow the Mini to be the selected autopilot source in case
37. base The Navigation Database should be updated every 56 days A free version is available from the GRT website continental U S only Users outside the U S must use the Jeppesen subscription based service Both Navigation Database options display airports airspace navaids fixes and obstacles on the map Airport Facilities and radio frequency information is also included in the database and is viewable on the Mini through the map screen and flight plan page For more information see the Appendix of this manual Software Updates amp Database Maintenance NOTE Databases from external GPS units are not capable of populating the moving map They can only transmit GPS position flight plan data and autopilot commands across to the Mini Map Screen Setup amp Customization Setup Menu The Map Screen has many options for customization in the Moving Map Setup Menu NOTE To access the Moving Map setup menu press NEXT gt Set Menu and scroll to Moving Map 6 3 1 Airport Symbols and Label Fonts 6 3 2 Choose Your Airplane Symbol The airport and font sizes can be enlarged from the default small setting To change font and airport symbol sizes 1 Highlight Airport Symbol Size and or Label Font Size and choose a size option The airplane symbol represents your aircraft s present position and can be customized as a conventional airplane or a canard To change the symbol to a canard profile PE 1 Press MORE gt Set Menu gt M
38. desired altitude into the Altitude Preselect Window Press the knob to set the bug to the selected altitude If isola adi mal bility j Altitude an autopilot with vertical navigation capability is Presaleci connected and engaged the system will then display Window a message to verify the speed or rate of the climb or descent desired to fly to the set altitude See GRT Autopilot User Manual for more information DD E 6500 0 Xx 1 Marker Access Set Menu gt Primary Flight Display Scroll to Altitude Alerting and turn it ON Highlight Max Altitude Deviation Set the altitude deviation alert threshold typically 200 feet 40 Mini X Installation Setup amp User Manual GRT Avionics 5 4 Vertical Speed Indicator The vertical speed indicator VSI is along the left side of the VSI altimeter The tape is white and radiates upward or downward from digital 660 H 2500 the neutral mark as the aircraft climbs and descends It shows Value vertical speed in feet or meters per minute The vertical speed is also presented digitally at the bottom of the scale when descending and at the top of the scale when climbing The VSI tape s upper limit VSI tape can be programmed to fit the climb performance capability of the aircraft for a more precise visual representation To customize the VSI 1 Access Set Menu gt Primary Flight Display 2 Scroll to Max Indicator Vertical Speed Choose the upper limit of the VSI scale most
39. ding Bug Source of the map Flight Plan e Press again for Map Selection Tool cursor and Nearest selection softkeys Map Level 4 DOSE typical za E esi UUU 2i CE SET Nearest Settings Error or More e Turn to adjust map range Airport Main Menu Warning items Press once for Heading Bug Weather Freq Details e Press again for Map Selection Tool or Navaid cursor and Nearest selection softkeys Map Level 5 Softkeys typical wm oF ug Aa DE a j Be STOP Manually play Press when e Turn to adjust map range or record finished with Press once for Heading Bug demo file sofkteys e Press again for Map Selection Tool cursor and Nearest selection softkeys Revision A5 GRT Avionics Mini X Installation Setup amp User Manual Section 2 Wiring Considerations 2 1 Mini X Connector Definition The Mini X comes with a female DB15 connector pre wired with the most commonly used wires The optional remote magnetometer uses a DB9 connector and is connected to the Mini using the pins defined below The colors shown here correspond to the colors in the supplied wiring harness The supplied wiring harness for the magnetometer is 20 feet long all other wires are 4 feet long The magnetometer serial output Mag pin 9 may be shared with other GRT Avionics Mini EFIS or the GADAHRS The magnetometer OAT serial ports and Trig TT22 connections are all optional OAT is required for true airspeed and density altitude calc
40. download the latest software for your EFIS system It may also have a link to any available beta software that you should ONLY download if you would like to experiment with untested features Software available for the Mini includes Display Unit software adds new features and corrects bugs in the display itself Usually released every few months as new features are created Navigation Database Software Releaed every 56 days to update the FAA database of airports navaids fixes man made obstacles and airport facilities information in the DETAILS pages AHRS software occasional releases Improves and corrects bugs in the internal AHRS Air Data Software occasional releases Improves and corrects bugs in the pitot static sensors Servo Software rare releases Improves and corrects bugs in GRT digital servos Mini X AP A 1 2 Load the Software onto the USB Stick Your Mini unit came with a SanDisk USB Thumb Drive It s a small rectangular device that looks like this When you plug it into your computer s USB port it acts as an additional hard drive to store files It will usually be listed as Removable Disk with a letter designation in your computer s directory Follow these steps to load the files onto your USB drive on a Windows computer Mac computers may behave differently but will essentially use the same process Then you will load it into your displays NOTE The Mini uses a Mini USB port It comes with a USB
41. e corrections While re starting the AHRS will not provide data This will result in the AHRS data disappearing from the display unit for about 10 seconds 8 If calibration is unsuccessful one of two things will happen In either case the calibration procedure must be repeated a Ifthe airplane is rotated too rapidly the calibration will not end after the airplane has been rotated 380 degrees b It will exit calibration mode and will show Calibration INVALID Maximum correction exceeded if a correction of greater than 127 degrees is required Invalid OVERLIMIT will be displayed on the AHRS maintenance page next to the Magnetometer Calibration field A correction of greater than 127 degrees can be caused by incorrect mounting of the magnetometer or location of the magnetometer too close to ferrous metal in the aircraft or starting with the airplane not pointed toward magnetic north or magnetometer wiring errors The validity of the location for the magnetometer calibration can now be verified Revision A5 29 Mini X Installation Setup amp User Manual GRT Avionics 30 9 Point the airplane toward magnetic north 10 Turn ON the Mini if already ON turn it OFF and then back ON 11 Verify the AHRS on AHRS Maintenance page shows a heading close to north Small errors are likely to be a result of not positioning the airplane to the exact heading used during magnetometer calibration 12 Select the Magnetometer C
42. e 90 degree pitch rung This is visible during a loop or hammerhead 90 degree pitch rung 43 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual Adjusting Pitch Ladder Offset During straight and level unaccelerated flight at the normal cruise power setting the pitch ladder should be set so that the Attitude Reference Index is aligned with the zero pitch line The object is to set the pitch ladder for the easiest possible instrument scan during cruise 1 Access the Set Menu gt Primary Flight Display page 2 Scroll to Pitch Ladder Offset Adjustments are made in positive or negative 1 degree increments a positive setting will move the Attitude Reference Index up and a negative setting will move it down 3 Adjust it in small increments until the Attitude Reference Index and the zero pitch line are aligned during level normal cruise flight NOTE Pitch Ladder Offset should notbe used to compensate for the tail down attitude of a taildragger on the ground When you are on the ground in a taildragger the view out the virtual EFIS window should look toward the sky just as it looks out the windshield Pitch ladder offset is ONLY for calibrating straight and level flight It should also never be used to adjust the attitude indication for varying airspeeds or other flight conditions Once it s set for your particular airframe engine propeller combo the Pitch Ladder Offset should not normally be moved Adjusting this f
43. e PFD screen The table allows for up to 8 corrections It is recommended that at least the following 3 airspeeds be used for the corrections correction at the typical cruising speed typical climb airspeed and typical approach speed For example with an RV 6 a good approach speed might be 80 mph with flaps at 1 notch Additional corrections can be entered if desired especially if TAS errors are noted that vary significantly with speed Only one correction for a specific airspeed should be made To record a TAS correction 1 Access Set Menu gt AHRS Maintenance and scroll to True Airspeed Corrections 2 Press the knob to open the calibration page as seen below 211 2500 TT GPS1 000 Oru 020 030 TF HDG E 011 TRK 1370 VS 1200 ag ever Airspeed Calibration AS Correction 1 1 6 rst pu f T UJ 3 f S 26 50 tl VA de I l 10 A 80 60 START EDIT CAL 29 92 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 3 Select a blank table entry in the correction table using the knob If no entries are blank then select an entry and press Delete to clear the entry The START CAL softkey will be displayed when the cursor box is on a blank entry 4 Press the START CAL softkey to begin 000 010 020 P me 3000 00 KTS PEUR 114 Sy 260 a To 80 si P g0 Establish a heading so that heading and ground track agree a within
44. e USB stick Revision A5 60 Mini X Installation Setup amp User Manual GRT Avionics 7 2 4 Using an External Flight Plan External Flight Plans highlighted by a yellow header strip are read directly from a connected external GPS They can be followed but not edited by the Mini To follow a flight plan on an external GPS 1 2 Enter the flight plan and activate it in the external GPS Select the external GPS designated GPS1 or GPS2 during initial setup as the Nav Source for the Mini Press the Flight Plan softkey The Mini will automatically open the External Flight Plan page listing all the waypoints in the active flight plan on the external GPS Press EXIT to follow the flight plan using the GPS CDI and waypoint information on the PFD At any time during the flight e Press COPY to overwrite the current active Internal flight plan with the waypoints for the External Flight Plan This will convert the external flight plan to an internal flight plan allowing editing of the waypoints Highlight INTERNAL with the knob and press the knob to switch back to an Internal flight plan Remember to also switch the GPS Nav Source on the PFD 61 ID RNG BRG ETE k KLAL 18 5 021 0 11 KMGR 207 8 339 2 53 KSY 299 3 340 6 45 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 7 2 5 Importing a GPX Flight Plan Many apps and GPS units create and store flight plans in GPX format The M
45. e found on the Set Menu gt Primary Flight Display page G Meter Mode Choose if or how to display it on the Primary Flight Display G Meter Maximum Sets the maximum positive G loading on the scale 0 5 g G Meter Minimum Sets the minimum negative G loading on the scale G Meter Caution Max Positive G load caution threshold Turns yellow beyond this value G Meter Caution Min Negative G load caution threshold Turns yellow beyond this value Auto G Meter High Threshold Displays the G meter on the PFD in Auto setting when this positive G value is exceeded Auto G Meter Low Threshold Displays the G meter on the PFD in Auto setting when this negative value is exceeded Revision A5 GRT Avionics Mini X Installation Setup amp User Manual G Meter Activation amp Display 1 Access the Set Menu gt Primary Flight Display page 2 Scroll to the G Meter options near the bottom of the screen Select an option on the G Meter Mode setting a Off Does not display Note that even when the G Meter Mode is set to Off all G force data is recorded during data logging b On Displays all the time c On with Min Max Displays all the time with the minimum and maximum Gs experienced during the flight d Auto Comes on if a preset Auto G Meter High or Low Threshold is exceeded This allows it to replace Trim Indicators temporarily until the G limits settle below the threshold See Trim Indicator notation Setting Up the
46. e gps groundtrack The difference between them is the heading error in that direction This can also be observed on the PFD screen although the heading data on this screen is slaving the yaw gyro and thus will respond slowly to the difference between the displayed heading and the the magnetometer heading When using the PFD screen the best technique is to point the airplane in the direction to be tested wait at least 20 seconds or until the heading is not changing and then taxi until the ground track is stable on the PFD also The difference between them is the magnetic heading error If it is excessive the fine magnetometer calibration should be repeated How accurate should the magnetic heading be Achieving highly accurate magnetic heading requires that the magnetometer be installed in a good location on the airplane and the AHRS be mounted accurately Due to the steep angle of the earth s magnetic fields only about 20 degrees off vertical the attitude data from the AHRS must Revision A5 Mini X Installation Setup amp User Manual GRT Avionics 31 be used to process the magnetic field data from the magnetometer and for every degree of attitude error 3 degrees of heading error will be induced Heading error of less than 5 degrees are not normally apparent in normal flying but errors this large will cause the winds calculated by the EFIS to be inaccurate For every 1 degree of heading error 1 7 of the forward speed of the ai
47. ees 22 5 3 PINOT STONG COMMCCTIONS isiccsecc scenes irinen en ETEN EEEE AEE NE 22 5 Revision A5 Mini X Installation Setup amp User Manual GRT Avionics 3 4 Cooling CONSIGEI CMON S sisosccecicsissseseesssccaaeseyaseassnsscedconsseseedoesessavecesaees 22 3 5 Remote Magnetometer Installation Optional 23 4 1 Boot Up CheCkK esesesesosossssssesesosososossssssosososososossssesosesosososossesesoso 24 4 2 Explore the Set Menu PAG cccccceccscssceccscecceccscescsccscescscesces 24 4 3 Set Up Your General Preferences cccccsccsccsceccsccscsscecescesces 25 4 4 Set Instrument Orientation rcreerrrrrrrecericeeeicecericeenicione 26 4 5 External Magnetometer Location Validation 27 4 6 Set Final Magnetometer and Instrument Orientation 28 4 7 Fine Magnetometer Calibration Procedure 28 4 8 ANIMETEE COIDIOTON gzzio einen iii 32 4 9 Full Altimeter Calibration Using Air Data Test Set 33 4 10 Airspeed and Wind Calibration evrrrerrereriericierioriorene 35 5 1 Primary Flight Display Overview cccccsccsscescsscescescescescescescees 37 5 2 Airspeed TAP ne tato eroina saretta 38 5 3 Altimeter TOP szorion n cescacsacsucdncdes csacworsaussevsneesscosssucsestesewsevensuesescuseus 39 5 4 Vertical Speed Indicator
48. et up flight timers for total endurance minus reserve and interval reminders to switch fuel tanks Set limits for EFIS Mini minimum and maximum bus voltage Display Unit Maintenance Display software updates settings backup nav database updates other internal functions AHRS Maintenance AHRS software updates gyro amp magnetometer raw data Altimeter Calibration Calibration page for the altimeter Settings Menu General Setup Primary Flight Display Moving Map Limits Display Unit Maintenance AHRS Maintenance Altimeter Calibration Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 4 3 Set Up Your General Preferences Access the Set Menu gt General Setup page Follow the guidelines below Scroll down past the serial ports to Page Change The softkey labels on all PFD and Map pages appear only after a button is pressed then disappear Set this to Doub e C ick if you want the first click to only bring up the softkey labels and not change anything Sing e Click allows you to toggle between the PFD and Map pages at the first button press without bringing up the labels Initial Menu Timeout sec This setting determines the length of time the softkey labels stay on the screen before a selection is made We recommend setting it to at least 5 seconds until you learn the system Used Menu Timeout sec This setting determines the length of time before the softkey labels disappear after a selection is
49. ftkey then press AIRPORT or NAVAID to bring up a list of nearest waypoints 4 Use the knob to scroll through the list Highlight the one you want then press the gt softkey 5 The Active Direct To flight plan page appears Verify the identifier of the waypoint you want to go to then press EXIT to go back to the PFD screen 6 Follow the GPS CDI indicator to the chosen waypoint NOTE To go directly to a waypoint selected from the Map screen see Section 6 5 Map Selection Tool 1 j i 40 i S RNG BRG BISI AID Range Bearing CTAF L Surface Lights OFL6 R 5 6 359 500 Soft No 2 3FL R 64 262 2188 Soft No FO 7 F R 6 2 2 6 3000 Soft Yes FL 8 R do 351 2000 Soft No X49 14 24 122 900 3115 Soft No 6 FL R 3400 Soft No 123 050 3 Hard Yes 124 500 Yes 122 900 Revision A5 58 Mini X Installation Setup amp User Manual GRT Avionics 59 7 2 2 To Enter a Direct To Waypoint L 2 Press FLIGHT PLAN softkey to bring up the Flight Plan Entry Page Press the gt Mode softkey A page appears with columns of letters and numbers shown below Enter the identifier of the waypoint you want to go to To do this press the softkey under the first letter in the waypoint until that letter is highlighted and appears in the waypoint ID field on top of the screen Press the knob with NEXT highlighted to advance the cursor HINT If the next letter or number is in a different column yo
50. ge 7 3 1 To view airport or navaid details 1 Press FLIGHT PLAN softkey to bring up the Active Flight Plan page 2 Turn the knob to highlight the airport or navaid in the flight plan list 3 Press the knob to activate the sidebar cursor above the knob Highlight DETAILS and press the knob The information display is shown below DETAILS KSY Hev 801 BOMAR HELD SHELBYVILLE MUNI 3 27 18 36 5503 x 100 Hard Fuel LOOLL Lat N35 33 56 Lon W086 26 55 Mag Var LOW City SHELBYVILLE TENNESSEE FREQ 7 3 2 To send a frequency to a connected serial radio such as an SL30 1 Press FREQ softkey then press SET COM or SET NAV 2 Choose a frequency from the dropdown list and press the knob to select 3 This sends the frequency to the radio Standby window 63 Revision A5 Mini X Installation Setup amp User Manual GRT Avionics 7 4 Synthetic Approach SAP The Mini X has the capability to draw a Mass synthetic approach path to any runway _ in the navigation database The TO approach path is marked by Highway s In The Sky boxes also known as HITS that are aligned with runway heading and follow a glide angle usually 3 degrees to the touchdown zone This manual covers the button presses Ri 050 10060 necessary to capture the approach For E Ormi more detailed information about flying e ojj ce Lal games MSG 7 the synthetic approach with all GRT EFIS systems please see the GRT Horizon User
51. he USB stick The bigger the file the more continuous data you will get The smaller the file the more often it will save the data Specify maximum recording time in minutes Choose from 1 to 120 minutes under Max File Time Start and save recordings automatically Under the Automatic Start Stop heading choose to record nothing automatically OFF start automatically stop automatically or start and stop automatically When automatic data recording is enabled the Mini will start and stop save automatically when the Auto Start and Auto Stop menu settings are reached whether it s a specified RPM Airspeed Ground Speed or N1 for turbines Do not turn off the Mini before or immediately after these limits are reached it will take the display unit a few seconds to write the data from the last file recorded to the USB stick Start and save recordings manually In flight or on the ground press NEXT repeatedly until you see the DEMO softkey START starts recording the demo STOP ends and saves the demo When manually recording do not forget to STOP the demo as this is the action that saves the flight from temporary internal memory to the USB stick Using the Demo Recordings Play demo recordings back on the Mini From the PFD screen press NEXT until you see the DEMO softkey Press it to highlight PLAY to run the demo If multiple demo files are on the USB stick you will be taken to a menu page where you can select the file to play Re
52. he grid on synthetic vision 1 Press MORE gt Set Menu gt Primary Flight Display 2 Scroll to Synthetic Vision Grid Overlay and select ON Runway on short final Revision A5 48 49 Mini X Installation Setup amp User Manual GRT Avionics 5 9 5 Waypoint Balloons Waypoint balloons are markers that highlight the next GPS waypoints in the flight plan on the PFD They have a tether that points directly downward to the waypoint and are raised and lowered with the altitude bug They are visible beyond the 30 mile horizon line in that case they do not have a tether as shown to the right In an enroute crosswind situation keep the flight path marker on the waypoint balloon to fly directly to the waypoint The active waypoint balloon is magenta Subsequent waypoints in the flight plan are white To turn on waypoint balloons 1 Press MORE gt Set Menu gt Primary Flight Display 2 Scroll to Waypoint Balloons and select ON or OFF 5 9 6 Course Ribbons Course ribbons are a form of enroute Highway In The Sky They connect waypoint balloons and draw a path in the sky that corresponds to the active flight plan leg essentially a 3D version of the course lines drawn on the map screen Course ribbons can take the form of a magenta course centerline or dual magenta shaded boundaries on each side of the course starting at 200 feet apart and tapering inward as the waypoint gets closer Course ribbons beyond the next waypoint
53. he squawk code entry page shown below 3 Note the cursor under the first digit of the sqauwk code Turn the right knob to change the underlined digit Press the knob to enter the new digit and move the cursor to the next digit e In case of entry error press the knob repeatedly until the cursor comes back to the digit you want to change 4 OR To quickly enter the VFR 1200 squawk code press the 1200 softkey 5 When finished press SAVE 6 OR To exit without changing the sqawk code press CANCEL 2200 j 0 9 080 030 071 i N 7 w gt r i gt a ST restii 275 ansponder Code 051 ona s ALT ee SAVE CANCEL 1200 CHANGE Revision A5 68 Mini X Installation Setup amp User Manual GRT Avionics 8 3 Data Recording There are three basic types of files that you can record off the Mini e A simple snapshot is a still shot of the screen This is saved as a PNG file on your USB drive Snapshots are nice for times when you want to record things like a high ground speed or unusual performance We use customer supplied snapshots almost exclusively for the graphics in our new manuals e A demo file recording of the flight data for later playback on the display unit itself or for displaying in a spreadsheet format This includes all of the serial data as well as a recording of flight instrumentation AHRS data GPS position and map features You can play back the demo file recordings directly
54. he terrain clearance color band on the edge Altitude of the altimeter tape shows the Off Route Obstacle Clearance Altitude OROCA which provides 1000 foot obstruction clearance in non mountainous terrain areas and 2 000 Altitude Bug l foot obstruction clearance in designated set below the Altimeter mountainous areas within the United States Setting tape range An altitude below the OROCA is shown yellow BARO above the OROCA is shown green To Change the Altimeter Setting altimeter setting 2 Press the knob to accept the new baro setting or press CANCEL to abandon the changes 39 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual Altitude Bug The selected altitude is displayed in the Altitude Preselect Window located above the altimeter tape and is marked on the altimeter tape itself by a magenta rectangle bug with a notch The altitude bug serves two functions To 1 i Altitude Deviation Alerts An alert can be set to flash on the Mini when the altitude tua specified in the Altitude Preselect Window is exceeded pride mud by a certain amount To set an Altitude Alert L 2 Revision A5 The commanded altitude for the autopilot to climb descend to Mini AP and hold A reminder for a cruise altitude or any other altitude the pilot wishes to remember set the altitude bug Press the knob twice to access the Vertical Autopilot menu Turn the knob to enter the
55. idating the accuracy of the magnetic heading by taxiing the airplane and comparing the EFIS heading to the GPS ground track both are displayed on the PFD 2 After the aircraft is positioned accurately turn ON the Mini If it was already on then turn it OFF and then back ON again and allow at least 1 minute for the AHRS to fully stabilize 3 Access Set Menu gt AHRS Maintenance Scroll to and select Magnetometer Calibration field on this screen 4 Press Start soft key The first question is Are you sure Press YES if you are sure 5 Verify the airplane is still pointed to magnetic north Answer the question Are the aircraft AHRS and magnetometer pointing to magnetic north with YES A message will appear at the bottom of the screen indicating the system is waiting for the gyros to stabilize 6 As soon as the message Calibration in Progress is displayed within 15 seconds rotate the aircraft 360 degrees plus 20 degrees in a counter clockwise manner initially towards west The airplane does not need to be rotated in place but simply taxied in a circle The airplane must be rotated completely through 360 degrees plus an additional 20 degrees past magnetic north within 3 minutes after initiating the calibration The airplane should be rotated slowly such that it takes approximately 60 seconds for the complete rotation 7 If calibration is successful the AHRS will re start itself automatically and begin using th
56. ini like the bigger GRT EFIS systems can read GPX files placed onto the USB stick To import and use a GPX flight plan L Use your favorite computer flight planning program such as iFlightPlanner com or the AOPA Flight Planner to create and save a flight plan in GPX format to your USB thumb drive Insert the USB drive into the USB port of the Mini Press the FLIGHT PLAN softkey to bring up the Flight Plan page Turn the knob to highlight Import Flight Plan and press the knob to activate Press UP or DOWN softkey to scroll through the list of files on the USB stick until you see the GPX file you are looking for Multiple file types will be displayed on the screen Highlight the one you want press the LOAD softkey and the flight plan waypoints will appear in sequence on the Mini Active Flight Plan page NOTE GPX flight plans imported and activated in another connected GRT display unit will automatically load into the Mini if the inter display serial link is connected SELECT ALE FOR IMPORT KARBKTVC SID ROD3 fpl KARB KTVC SID ROD3 gpx KGRR KMSP STAR EAUS fpl KGRR KMSP STAR EAUS gpx a iS CUSTOM tp Load Revision A5 62 Mini X Installation Setup amp User Manual GRT Avionics 7 3 Airport Facilities Information amp Radio Tuning Information about airports and navaids in the navigation database is available on the Mini on the Details page Select the airport or navaid from the Active Flight Plan pa
57. ite color bands Colored Airspeed Bands The colored band on the airspeed tape follows the standard airspeed color scheme The indicated airspeed value turns yellow or red when it is within the yellow or red ranges for additional emphasis Zero to Vs full flap stall speed Airspeed values too low to register on the EFIS will appear as a red dash in the digital readout window Option Red or clear White Full flap stall speed Vso to flap extension upper airspeed limit Vee Stall speed Vso to maximum structural cruise speed Vno Maximum structural cruise speed Vno to never exceed speed Vne Never exceed Vne and beyond Revision A5 38 Mini X Installation Setup amp User Manual GRT Avionics Customizing the Airspeed Tape For Your Aircraft The airspeed indicator settings are programmed in Set Menu gt General Setup gt Primary Flight Display They should be programmed before the first flight according to the design limitations of the aircraft and can be fine tuned during flight testing to match the individual aircraft s flight characteristics 5 3 Altimeter Tape The Altimeter Tape displays altitude above mean sea level MSL in hundreds of feet or meters Even thousands are depicted by a Terrain solid marker either a circle triangle or Clearance rectangle Five hundred foot increments are Color depicted by a hollow marker The baro setting Band is displayed in the lower right corner Digital MSL T
58. l For information on the autopilot annunciators modes and other general usage please refer to the GRT Autopilot Pilot s Guide which is applicable to all GRT EFIS systems Both manuals are available in the Support gt Documentation gt Autopilot section of www grtavionics com 8 2 1 Mini Autopilot Controls Access the autopilot controls through the PFD screen The Mini autopilot controls are displayed over three tiers of softkeys each activated by pressing the knob 1 Press the knob once to access lateral A P modes navigation source and synthetic approach controls 2 Press the knob again to access the vertical autopilot controls Turn the knob to change the altitude in the Altitude Select Altitude Bug window Revision A5 66 Mini X Installation Setup amp User Manual GRT Avionics 8 2 Trig TT22 Transponder The Mini can act as the control head for a Trig TT21 or TT22 Remote Transponder See Section 2 7 of this manual for wiring information 8 1 1 Activating TT22 Setup on the Mini 1 Go to Set Menu gt General Setup 2 If using the dedicated TT22 Port with No Adapter scroll to TT22 A B Port and select ON This activates and automatically sets up the dedicated TT22 port 3 If using an RS 232 serial port with GRT Trig Adapter set the Input and Output of the wired serial port to TT22 and the baud rate to 9600 4 Follow the instructions in the GRT Trig TT21 22 Supplement for full setup and checkout procedures
59. libration is complete If necessary the BIAS adjustment can be made without affecting the other corrections at any time Revision A5 34 Mini X Installation Setup amp User Manual GRT Avionics 4 10 Airspeed and Wind Calibration 35 The Mini accurately calculates indicated airspeed via its measurement of the difference between pitot and static pressures Typical instrument errors are less than 2 mph at 100 mph and diminish to less than 1 mph at 200 mph It is not uncommon for airspeed errors to be observed however as the pressures provided by the aircraft s pitot static system does not always represent the actual static and impact pressures The Mini provides a means of correcting the true airspeed that it displays in the PFD data box and which is used in the wind calculation when the Mini is equipped with a remote magnetometer Since the wind calculation is based on the difference between GPS groundspeed and true airspeed it is quite sensitive to true airspeed errors and for some airplanes a significant improvement in the accuracy of the winds can be achieved by performing this calibration The Mini does not provide any means to correct the indicated airspeed as this would result in the Mini showing a different indicated airspeed than other indicators that may be installed in the airplane The AHRS Maintenance setup menu page provides a True Airspeed Corrections selection When selected a correction table is shown over laid on th
60. licy All GRT products include a 2 year warranty starting on the day the instrument is put into service or three years after purchase whichever comes first against manufacturer defect Please contact Tech Support before returning a display unit or component to GRT for repair or warranty work Many issues are installation or software related and can be resolved over the phone saving time and expense Please keep in mind that the minimum bench charge for EFIS units is 100 AII returns for repair or upgrade must be accompanied by a Service Request Form downloadable from the GRT website Support section Satisfaction Guarantee If for any reason you are unhappy with your GRT product you may return it for a refund anytime during the first 60 days you own it Some restrictions apply Please call GRT Tech Support before returning any system or component Technical Support Our tech support staff has many years of real world experience installing flying and troubleshooting GRT equipment in many different types of aircraft We are here to make sure your project succeeds Tech Support Hours Monday Friday 9 00 AM 12 00 PM and 1 00 PM 4 00 PM Eastern Time 616 245 7700 EFIS Support phone menu option or benk grtavionics com 24 Hour Tech Support The GRT Online Forum Many questions may already have answers posted in our Online User Forum Join today for free www grtavionics com forum Revision A5 Mini X Installation Setup amp User
61. lls up or the data logger stops For a more continuous black box recording set it to 5 seconds or less The data is saved as a CSV file on the USB stick called GRT Flight Data Log csv and can be opened and studied using any spreadsheet program Revision A5 GRT Avionics Mini X Installation Setup amp User Manual Appendix A 1 Updating Mini Software We continually improve our EFIS systems features controls graphics and integration with third party equipment After a certain period of beta testing we will periodically release new software updates for our systems You may choose not to update your software but we recommend it for optimal performance of your system e WARNING Always thoroughly test your new software updates in VFR conditions until you are confident that your display units AHRS and all connected third party equipment will work properly under all circumstances Never fly IFR with new software updates until you have thoroughly tested all functions of the display units AHRS and all interfacing third party equipment especially navigation equipment A 1 1 Locate the New Software on the GRT Website Ii 2 Go to the GRT Avionics website www grtavionics com Under the Support menu click on Software Updates to take you to the Software main page or select directly from the popup list to access the website page dedicated to your EFIS system software The dedicated Mini software page has a link for you to
62. lude NMEA0183 GPS1 Global Primary external GPS such as a GRT GPS module reer r re aS handheld GPS units use this data format GPS1 GPS1 Aviation MapCom Garmin IFR nav unit Garmin IFR nav unit GNS430 etc etc NMEAO1 PS2 Global Aa A ENORA Secondary External GPS PETE GPS2 GPS2 Aviation MapCom Secondary Garmin IFR nav unit Garmin IFR nav unit SL30 1 Primary nav com using Garmin SL30 protocol Trig TT22 or TT21 remote transponder using the GRT Serial Adapter Not required if the TT22 is wired to the dedicated TT22 port instead See Section 2 7 for more information Revision A5 21 Mini X Installation Setup amp User Manual GRT Avionics 3 1 3 2 3 3 3 4 22 Section 3 Mechanical Installation Placement of the Mini on the Instrument Panel The Mini is permanently mounted on the instrument panel face The main consideration in choosing a location is the ability to view the display unit and reach its controls The Mini includes user settings that allow it to be mounted in a wide range of orientations including instrument panels with a high degree of tilt pitch sub panels or even wing roots that angle the Mini toward the pilot in yaw and roll offset These settings which are explained in Section 4 allow the internal AHRS to function with full accuracy regardless of its orientation Since the display is fully sunlight readable shielding the display unit from sunlight is not required See Section 1 of
63. not contain water a problem often encountered when using external forced air cooling air A few small openings in the glare shield are usually enough to allow natural air circulation Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 3 5 Remote Magnetometer Installation Optional The remote magnetometer must be placed in an area of the airplane with little or no electromagnetic interference The cable is 20 feet long and designed to reach out to the wingtip or tail The magnetometer is marked with an arrow pointing in the direction of flight Mount the it with the arrow pointing forward parallel to the centerline of the airplane There is not a designated top of the magnetometer so it can be turned on its side for easier mounting The side of a wing tip rib is a simple place to put it The arrow on the magnetometer should be parallel with the centerline of the airplane for yaw Pitch attitude is not critical as long as it is within 60 degrees nose up or nose down 60 up limit 60 down limit x NOTE The most common cause of magnetic sensing error is simply magnetic disturbances near the magnetometer This can be caused by ferrous metal any metal that a magnet will stick to control cables or cable carrying electrical currents such as navigation or landing lights being too close to the magnetometer The magnetometer s location will be tested for interference in Section 4 after the initial b
64. nsidered e Good practices for physical installation of the wiring should be followed such as grommets where wires pass through sheet metal considering for chaffing and interference with moving mechanisms etc e Cable lengths should include enough extra length to allow for servicing the equipment For example the cables which plug into the display unit should be long enough to allow them to be connected to display unit with the display unit not installed in the instrument panel e In general routing of the wiring is not critical as the Mini is designed to be tolerant of the electrical noise and other emissions typically found in aircraft Some consideration should be given to avoid routing wires near antennas or other locations that could impart high levels of electromagnetic Signals on the wiring e The checkout procedures outlined in Section 4 must be completed to verify the Mini is not affected by radio transmissions on any frequency Consider the effects of individual component failures in the design of the system as a whole to create redundancy where necessary Power Connections Power Switch No provision is included within the Mini for a power switch If a power switch is desired for the Mini the 12V power should be controlled with the switch not ground It is desirable to have the Mini power off during the engine start if the bus that powers it is used for supplying power to the engine starter Voltage drops during engine st
65. ntenance Press the knob to select 2 Scroll to Database Maintenance and press the knob to open the page 3 Scroll to Load Navigation Database Push the knob to start Answer prompt with YES The database will load from the USB drive into the display unit When it is finished it will automatically reboot A 1 5 Update AHRS Software 1 Press the SET MENU softkey Turn the knob to scroll to AHRS Maintenance Press the knob to select 2 Turn the knob to scroll to Load AHRS Software Press the knob to start The screen prompts you Load AHRS Software ARE YOU SURE Press the YES softkey 3 The display will transfer the new AHRS software directly from the USB stick This may take up to 3 minutes When the upload is finished the AHRS module will reboot and resume normal operation within 30 seconds NOTE Unlike other GRT systems the display unit itself will NOT reboot after the AHRS upgrade A 1 6 Update Air Data Pitot Block Software 1 Press the SET MENU softkey Turn the knob to scroll to AHRS Maintenance Press the knob to select 2 Turn the knob to scroll to Load Air Data Software Press the knob to start The screen prompts you Load Air Data Software ARE YOU SURE Press the YES softkey 3 The display will transfer the new Air Data software directly from the USB stick This may take up to 3 minutes When the upload is finished the air data module will reboot and resume normal operation within
66. o us for troubleshooting 6 To take the picture simply press SNAP to save the screen image to the installed USB stick 69 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 8 3 2 Demo Recordings Demo recordings can be recorded on a one by one manual basis or you can set up your Mini to automatically record every flight Files are not overwritten so eventually you will need to either erase the USB stick or install a new one Most flights average less than 1 MB minute This means that if you have a 2GB USB stick you can record over 30 hours of flight time If you use an 8 GB memory stick you can record over 100 hours without thinking about it Add change or erase USB stick to your oil change checklist to make it really easy 1 Go to SET MENU gt General Setup Highlight DEMO Settings right above the SNAP settings and press the right knob to activate the menu Here you ll find several choices To imprint date and time in the upper left corner of the recording Choose YES next to Use Date Time in Filename Specify the maximum file size of the recordings MB Choose from 1 to 15 MB under Max File Size You can specify how big you want the files to be for easier handling or emailing A typical recording is less than 1 MB per minute Yours may be more or less depending on how much data is being recorded Upon reaching the max file size the display unit will stop recording momentarily to write the data to t
67. on by Bob Nuckolls This book has been around for almost 30 years and covers everything a homebuilder needs to know about how electrical systems work how to design them and how to build them There are also numerous online video tutorials by EAA SteinAir and others in the experimental aircraft community on wiring technique and electrical system design Mini System Requirements The Mini utilizes the following systems for operation e Aircraft Power 12 or 28 volt system 0 25 Amp current draw at full brightness e Pitot static connection for flight instrumentation e Built in GPS with a remote puck antenna which must be within view of the sky at all times e Optional remote magnetometer is required for magnetic heading information and AHRS independent of GPS track see Section 1 4 for more information Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 1 4 AHRS Specifications and Limitations Maximum Angular Rate 250 deg sec Maximum G Limit 4G for unlimited time 10G for up to 20 seconds G limit affects accuracy of the readout but exceeding it will not damage the instrument Ambient Temperature Range for full accuracy 10 F to 150 F Airspeed Range 30 335 mph IAS stock AHRS or 50 600 mph IAS High Airspeed version Altimeter Range 2000 to 40 000 feet Magnetometer Type Internal Mini B and stock Mini X or External remote Mini AP and optional for Mini X When the External magnetometer
68. on your Mini to debrief a flight or review flight testing performance information The USB Flight Data Logger samples data at a user selected interval and writes that to a CSV file at the save interval It s designed as an always on continuous data recorder that requires less data than a DEMO and stores it in a more compact and easy to use format Data is always added to the end of the GRT Flight Data Log CSV file on the USB flash drive Keep in mind that data on the USB stick can be recovered and analyzed by NTSB authorities after a wreck similar to a black box Because demo files record all the data from the AHRS magnetometer and other sensors during flight they are also useful for our techs to help customers solve problems 8 3 1 How to Take a Snapshot 1 Go to SET MENU gt General Setup 2 Scroll to the bottom of the screen and find SNAP Button Highlight it and select YES 3 SNAP Button Saves Menu Select YES to always display the softkey labels and NO to never display softkey labels in the screenshots 4 To imprint the PNG filename on the snapshot image select YES for Show DEMO Filename 5 Save all settings Your display unit will now have a SNAP button on many screens where there is an empty softkey Notice that it will also display a SNAP button on menu screens This can be very useful for recording settings in picture form to share with your friends ie Autopilot gain settings etc or sending them t
69. onics 4 4 Set Instrument Orientation This is a coarse setting to account for angled instrument panel installations You will fine tune the instrument orientation again in flight after validating the location of the magnetometer if installed 1 Access Set Menu gt AHRS Maintenance Scroll to Set Instrument Orientation 2 Enter the offset in degrees for each axis Positive corrections correspond to right roll pitch up and right yaw See example sketches below not to scale Instrument Panel Tilt 20 Pitch Down 20 Pitch Offset Longitudinal Axis Mini Tilted toward Pilot 15 Right Yaw 15 Yaw Offset Longitudinal Axis Panther line drawing used with permission from Sport Performance Aviation LLC 26 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 4 5 External Magnetometer Location Validation Skip to Section 4 8 Altimeter Calibration if you do not have the optional external remote magnetometer The internal magnetometer cannot be calibrated NOTE When the magnetometer wiring is connected to the designated magnetometer connection pins on the DB15 connector the Mini will automatically detect it upon boot up and set up or verify the magnetometer serial port settings Verify the PFD screen shows HDG next to the heading box at the top center of the screen This indicates that it is receiving valid heading data from the magnetometer 1 Park the aircraft on a level surface and start
70. oot up checks of the Mini Revision A5 23 Mini X Installation Setup amp User Manual GRT Avionics 4 1 4 2 24 Section 4 General Setup and Calibration NOTE Each subsection in this section represents a step in the setup and calibration of the Mini and optional external magnetometer Perform each step in the order presented here for the most efficient setup procedure Boot Up Check Apply power to the Mini The display backlight should come on and show the boot page within 30 seconds A warning Magnetometer Orientation Not Set will be generated if you have a magnetometer connected Ignore this for now Note device communications installed software version and navigation database effective date and whether there are any other errors then press ACCEPT Explore the Set Menu Pages Settings preferences and calibration for the Mini are found on the Set Menu pages To access 1 Press any key to display the softkey labels then press NEXT until a SET MENU softkey appears 2 Press SET MENU to access the main menu as displayed below 3 Turn the knob counterclockwise to move the cursor down the list Press the knob to view the highlighted page or make changes to the values of highlighted settings General Setup Serial port assignments units of measure clock data recording etc Primary Flight Display V speed settings PFD display preferences G meter settings Moving Map Map symbol amp features preferences Limits S
71. or varying flight conditions can be dangerous when those conditions change again potentially leading to spacial disorientation in instrument conditions Paying attention to a consistently placed pitch ladder indication will result in greater understanding of the pitch changes that occur with changing airspeeds power settings and cargo loading Sky Pointer Turn Rate Sky The Sky Pointer is the white triangle inthe Indicator Pointer middle of the bank indicator hash marks This simply points UP at all times If you Horizon roll inverted it will point at the sky and Line thus appear as if it s pointed at your floorboards This is displayed as an aid for Slip Skid unusual attitude recovery and also serves Ball as the bank angle pointer Marks indicate 10 20 30 45 and 60 degrees of bank Turn Rate Indicator The Turn Rate Indicator is depicted at the top of the pitch ladder and below the heading window as a pair of inverted green triangles The Mini calculates the angle of bank required to make a standard rate turn at the current airspeed The rate indicator triangles spread out or in as the airspeed increases or decreases To make a standard rate turn align the sky pointer with the green triangle The Turn Rate Indicator triangles can be turned off to declutter the display To turn it on or off 1 Access the Set Menu gt Primary Flight Display page 2 Scroll to Turn Rate Indicator and select ON or OFF as appropriate Revision AS
72. oving Map Canard 2 Scroll to Plane Symbol and select Canard Revision A5 52 Mini X Installation Setup amp User Manual GRT Avionics 6 3 3 Map Screen Declutter Settings In some areas there are so many airports fixes and navaids that the map gets cluttered up with information The Mini has settings to relieve the congestion on the map automatically Range Filter To maintain the readability of the map feature labels the text size always stays the same on the screen As a result Zooming OUT can create an overabundance of information on the map To help remedy this 1 Scroll to the settings for Max Map Range of various objects on the map 2 Choose a distance for each map feature or leave it in the default setting 3 Select OFF to never display the feature on the map Auto Declutter Automatically remove items from the map in congested areas starting with small airports first To turn on off 1 Scroll to Auto Declutter and turn it ON or OFF as desired 6 3 4 Background Color The backdrop for any screen that does not show topography To display the background color selected here press Map gt Next gt SHOW gt None e Turn Background Color ON to display an even olive green background color for the map This creates a neutral background that displays all of the text and features clearly e Turn Background Color OFF shown below to display a black background as default for the map Pilots may prefer this option o
73. rplane will be falsely reported as a cross wind Thus with only a 5 degree heading error an airplane flying at 100 knots will show a false crosswind of 8 5 knots Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 4 8 Altimeter Calibration When the Mini is to be used for IFR flight the altimeter portion of the AHRS must be calibrated to conform to FAR 91 411 This is to be done at an interval in time as dictated by FAR 91 411 It is not necessary to calibrate the altimeter more often than this requirement The accuracy of the altimeter can be adjusted using entries provided on this page to account sensor errors that may occur due to aging The adjustments are stored within the AHRS Air Data Computer Partial Altimeter Calibration Correcting Altimeter vs Baroset This calibration adjusts the relationship between the altitude display and the barometric pressure setting This calibration does not require an air data test set and may be performed on an annual basis or as needed as follows L 2 Revision A5 Position the aircraft at a location with a known elevation Turn on the Mini and allow at least 5 minutes to elapse before continuing Obtain the current barometric pressure setting This setting should be provided by the airport at which the airplane is located or a nearby airport and should be as recent as possible Access Set Menu gt Altimeter Calibration Use the knob to highlight Calibrate OFF
74. s Altitude_Error GRT Sport_Altimeter_Reading with test set at 30 000 ft If the Mini altitude is less than 30000 ft the Altitude Error is negative Calculate the Pressure Error by multiplying the Altitude Error by 0 819 The result will be a negative number If the Mini altitude is greater than 30000 ft the Altitude Error is Positive Calculate the Pressure Error by multiplying the Altitude Error by 0 795 The result will be a positive number The scale factor is then calculated as follows Alt Scale Factor 42012 42012 Pressure Error The result should be a number greater than 0 9744 and less than 1 0255 Set the Alt Scale Factor as calculated Current Mini software may show ERROR next to Calibrate This can be ignored 33 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 10 11 12 13 14 15 Set the altimeter test set back to sea level 0 ft Set the BIAS so that the altimeter reads 0 ft Complete the calibration by setting the altimeter test set to each altitude listed on the calibration page 5000 10000 15000 etc and adjusting the corresponding entry until the altimeter reads this altitude The accuracy of the scale factor adjustment can be verified by noting a small altitude error less than 200 feet is observed with a zero correction at 30 000 feet Adjust the 30 000 foot correction until the altimeter reads 30 000 feet Exit the calibration page Ca
75. s the knob repeatedly until the function you want is shown in the knob label Default is Range Revision A5 54 Mini X Installation Setup amp User Manual GRT Avionics 6 4 3 Map Background Options The SHOW softkey lets the pilot choose one of several mapping data sets to display on the map SHADE Displays topography shading similar to that shown on a VFR Sectional chart The data is derived from the internal synthetic vision database See Map Topography Shading below for more information TERRAIN Uses the base SHADE topography and adds yellow and red coloring as a visual terrain proximity warning NONE Displays default map settings as defined in the Moving Map setup menu Shows basic map background either olive or black as set up in Section 6 3 4 with no topography shading 12 26 52 gt 1096 tia 070 po Ue GS ENO KTR es 30M 060 Hancock LEMS Bah Gait 140 E LOTO 040 120 030 T hog ackesas EH ere ek 1970 ange Os NONE sae ALL L i HDG SHADE HI A PUSH TERRAIN LO Kill GPSI NONE TERM GPS ic RNG 6 4 4 Map Topography Shading The SHADE option under the SHOW menu colors the Elevation in Feet Above Sea Level map according to the Topography Shading Color Key shown to the right The base colors are enhanced by shadows in mountainous terrain to give the map texture and bring attention to the mountain peaks Elevations di 2001 3000 are derived from the internal synthetic vision database 3001 5000 6 4 5 Display of
76. s a single knob that can be pressed and turned as well as four buttons The buttons are referred to as softkeys because their functions change as screen views and menus change Each button and knob has a label that defines its function If there is no label present the button has no function on that particular screen When the softkey labels are not visible press any button to make the labels appear You can define how long the labels are displayed between button presses refer to Section 4 3 General Preferences for more information 1 5 1 Overview of Pages amp Softkeys The Mini X has a Primary Flight Display page a Flight Plan entry page and the Set Menu When equipped with the Moving Map option it also includes a Moving Map page group 1 5 2 Primary Flight Display Softkeys 1 Press any button to display the PFD Level 1 Softkeys shown below The softkeys may be displayed in a different order depending upon your software version and equipment connected to the Mini Use this section as a general guide to learn the functions of the softkeys A CREE P TE I 17 DI Flight Plan Moving Screen More e Turn to adjust Altimeter Setting Entry Page Map Dimmer items Press for Autopilot optional or Trans ponder Revision A5 11 Mini X Installation Setup amp User Manual GRT Avionics PFD Level 2 Softkeys typical Choose Synthetic Settings More Turn to adjust Altimeter Setting Navigation Vision Main
77. the main display should fail In normal operations the autopilot control signals pass through the inter display link allowing either the Mini or a primary GRT EFIS to control the autopilot when both screens are functioning regardless of the switch position Refer to the GRT Autopilot wiring diagrams and installation setup manual downloadable from the Support gt Documentation gt Autopilot section of our website for more information on wiring and setup of the GRT autopilot Note In autopilot wiring amp setup documentation the Mini is treated the same as any other type of GRT Display Unit Pilot information specific to Mini autopilot controls can be found in this manual Magnetometer Wiring Optional Recommended The remote magnetometer must be placed in an area of the airplane with little or no electromagnetic interference The cable is 20 feet long and designed to reach out to the wingtip or tail Please refer to the magnetometer installation guidelines in Section 3 5 of this manual for more information The magnetometer cable supplied with the Mini does not have a D sub connector installed on the magnetometer cable end This makes it easier to route this cable through the airplane After the cable has been routed the wires can be cut to length if desired Install pins onto the ends of the magnetometer wires Note that they are the opposite orientation as the Pins are not installed at the GRT factory because experience has shown us that
78. they are too easily damaged as they are routed through the airplane Insert the indicated wire color into the appropriate D sub connector housing hole according to the Mini Connector Definitions diagram in Section 2 1 The digital magnetometer serial output may be shared between any number of the Mini X Mini AP and any Adaptive AHRS Inter Display Communication GRT display units communicate between themselves so that most entries made during flight such as flight plan information altimeter setting and screen dimming can be made from any display unit and will be applied to all Designate one serial port pair for the Mini and another for the GRT Revision A5 GRT Avionics Mini X Installation Setup amp User Manual display you want to connect it to and wire as shown below Set the serial port rate to 19200 for both screens Serial ports shown are just an example any serial port can be used 2 7 Trig TT21 TT22 Transponder Interface The Mini is able to function as the control head for a Trig TT21 or TT22 remote transponder Visit Serial 2 RX Serial 1 TX GRT Horizon or the Trig Avionics website for the TT21 22 installation manual and wiring diagrams Revision A5 Mini X Installation Setup amp User Manual GRT Avionics 20 The Mini replaces the Trig TC20 control head There are two options for wiring the Mini to the Trig Option 1 Wire the Trig to the Mini only using the Mini s dedicated Trig port This output has
79. this manual for instrument and panel cutout dimensions Mounting Hardware The use of nut plates behind the instrument panel greatly simplifies the task of installing and removing the 4 screws used to retain the display unit in the panel 4 socket cap stainless steel screws are recommended Pitot Static Connections The pitot static connections on the back of the Mini are labeled P pitot and S static and take a 1 8 27 NPT male fitting To facilitate installation and removal of the Mini unit quick disconnect fittings may be helpful Refer to FAA Advisory Circular 43 13 2B for approved methods to tee off existing pitot static lines and make the whole system leak tight Thread sealant or tape is optional You may carefully wrap the fittings with teflon tape for a better seal provided the tape cannot block the port Loctite 567 thread sealant paste has also been used successfully in GRT EFIS installations Consider placing a water trap or drain in the lowest part of the pitot static system to prevent water from getting into the electronics Make sure the drain is of a high enough quality that it seals completely airtight when closed Cooling Considerations The Mini draws very low amounts of power and does not require external cooling However as with all electronic equipment lower operating temperatures extend equipment life If you do choose to supplement your Mini and other avionics with cooling air be certain that cooling air does
80. to Set Menu gt AHRS Maintenance gt Magnetometer Calibration b With the Magnetometer Calibration page in view rotate the airplane 360 degrees A red graph will appear on this page showing the calculated errors Revision A5 27 Mini X Installation Setup amp User Manual GRT Avionics 4 6 4 7 28 c If errors of greater than 30 degrees are observed there is probably a wiring problem Review the following information to troubleshoot Troubleshooting Magnetometer Wiring 1 If HDG is not displayed on the PFD the wiring to the magnetometer may be incorrect or the magnetometer connect may not be plugged in Set Final Magnetometer and Instrument Orientation Once the chosen magnetometer location is verified to have acceptable levels of interference set the orientation of the magnetometer 1 Go to Set Menu gt AHRS Maintenance gt Set Magnetometer Orientation Answer the prompts on the screen to begin automatic orientation of the magnetometer For maximum accuracy this procedure should be performed with the ambient temperature is in the range of 50 90 deg F 2 When the final instrument and magnetometer orientations are set perform the Fine Magnetometer Calibration described in the next section Fine Magnetometer Calibration Procedure Magnetometer calibration is required to achieve accurate magnetic heading readings This calibration corrects for minor errors induced by magnetic disturbances local to the sensor such
81. u can simply press the softkey under the next character s column to automatically advance the cursor After the waypoint identifier is entered turn the knob to highlight ENTER then press the knob The Active Direct To flight plan page appears Verify that the waypoint shown is correct then press EXIT Follow the GPS CDI indicator to the waypoint Knob Functions e CANCEL Cancel waypoint entry and go back to previous screen e CLR Go back one character to re enter e NEXT Advance cursor to next character e ENTER Enter the waypoint into the flight plan and go to Active Flight Plan page e REM K or ADD K Shortcut to add remove the K to an airport or NAVAID identifier DIRECT TO SELECTION K LAL 12 6 016 LAKELAND LINDER RGNL Airport in LAKELAND FLORIDA nDOTOZETA PON lt xS lt C LO OO J on in amp la Ad A B B D E F H Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 7 2 3 To Enter a Multiple Waypoint Internal Flight Plan 1 2 Press FLIGHT PLAN softkey to bring up the Flight Plan Entry Page To add a new waypoint press the ADD softkey The waypoint entry page will appear Follow steps 3 5 outlined in the Entering a Direct To Waypoint section to enter the first waypoint To enter another waypoint press ADD again and repeat step 2 Continue until all the waypoints are entered Verify that the waypoints in the Active Flight Plan list are correct then press EXI
82. ulations when the Mini does not have a serial connection to a working GRT Horizon or Sport EFIS display unit Use Trig TT22 A and B connections for control and encoder information for the TT22 Any of the serial port pairs can be used for a variety of connections including connection to another GRT display unit for limited data sharing serial transponder or handheld GPS espo Pinno or DB9 Pin No Pin No a freni VE o frenato ve o fine Oae fine So fenon cw e frenato waen _ 7 feo o8 ICH a a N Mag B Serial 3 In ORG BLK Fate _ C fwe ooo as da f e Revision A5 15 Mag 9 serial out 1 2 3 4 5 7 10 11 12 13 14 15 Mini X Installation Setup amp User Manual Figure 2 1 Rear Case View Connector Placement Pitot Port GPS Antenna Mini USB Port DB15 Connector male Static Port GRT Avionics Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 2 2 2 3 General Wiring Guidelines Wires that are certain to be used are pre installed in the Mini cable assembly connectors Optional connections to the Mini are not installed in the D sub connectors at the factory however colored aviation grade wires with pre installed D sub connector contacts are included for these connections The cable description diagram includes recommended wire colors for each connection to the Mini s components When routing the wiring the following guidelines should be co
83. ver the colored background for flying at night 12 09 19 DIE IRE ZI Be 250208 i 300 100 cs lt 940 60 TRK CPI 30 8 SD j G 320 230 Aun KSRO dex RTPA Srg KTPF X29 200 son KVDF 350 lee ni 190 60 000 T RM KZPH XE PAY 53 Revision A5 GRT Avionics Mini X Installation Setup amp User Manual 6 4 In Flight Map Setup From the Map screen press NEXT to access the softkeys shown below 6 4 1 Compass Rose Display Options Press the MAP softkey repeatedly to cycle through the different map display options ARC Displays the compass rose as a 180 arc in front of the airplane symbol CENTER Displays the compass as a 360 compass rose with the airplane symbol in the center HSI Displays an HSI with bearing pointers CDI and compass rose NORTH Displays the map as North UP ek 06 se Oy e Keka S Wj GS a 140 Sie ae ha L STARE RNG 35 nmi Center View 12 08 13 Ess 2m07s Me NORTH LE TREK O51 5 19 41 33 515 nmi 06140 A ey SAVIO D 25 gt ata vy i i m GS La gt pi va CA EEE LE ed 108 2 6F AE Biglel eartGity Lake I ta E3 a dg K Greer De Pa lake N TA ani a4 yN AE wo elar levees il go i 7 2 f i 7 HSI View North Up View 6 4 2 Map Range When the RNG label is above the knob as shown above turn the knob to zoom in and out The knob controls several other functions such as the heading bug and Map Selection Tool Pres
84. vision A5 70 Mini X Installation Setup amp User Manual GRT Avionics 71 Dump demo data into a spreadsheet Download the GRT DECODE program from the GRT Avionics website Support gt Software Updates gt Miscellaneous Software amp Utilities Open the program and use it to open the demo file It will create a spreadsheet with all of the data points 8 3 3 USB Flight Data Logger Black Box feature Because the demo files must be prompted to end and save the recording data at the very end of a crash sequence can go unsaved Additionally the Demo file recording process loses data between each recording sequence The USB Flight Data Logger feature was designed to provide a seamless recording of a limited number of important flight data parameters that are continually written to the USB stick Go to SET MENU gt General Setup gt Demo Settings Press the knob to open the page USB Flight Data Logger On Off When On the Mini will record data when any of these are true airspeed is valid above the sensor minimum ground speed is above 5 knots RPM N1 input is non zero fuel flow is non zero USB FDL Record Interval ms Data samples are recorded at this interval 200 30000 ms in steps of 200 ms Default is 1000 ms USB FDL Save Interval s The recorded data is written to the USB flash drive at this interval 0 300 seconds Default is 60 seconds If set to zero the file is only written when the internal buffer fi
85. y Screen 5 1 Primary Flight Display Overview Vertical GPS Track Speed Waypoint Balloon or Heading Indicator Lateral LEE d A 8500 Vertical Autopilot GPS1 30 270 280 290 300 Autopilot Annunciators Tum TEK 70 O VS 300 Annunciators ik ii a 1G N70 LAPS y ik NI n 40 Airspeed SS 49 rau Altimeter n ian 00 2 4500 Horizon i Line ac aa o a as TO GESI Attitude Bar GPS CDI Slip Skid Ball Altimeter Setting This illustration shows the location of the various flight instruments on the Mini The Vertical Speed Indicator is a white bar that moves up and down to the left of the altimeter with a digital FPM readout above or below it a 70 FPM climb is shown here The Mini B and stock Mini X use GPS track instead of heading for simplicity The Mini X has the option of using a remote magnetometer to sense magnetic heading The remote magnetometer is required for an accurate magnetic heading because the Mini s location on the instrument panel will usually have too much electromagnetic interference for precise measurement of heading The Mini X and Mini AP come standard with synthetic vision which is the 3D shaded terrain view with obstacles runways waypoint balloons and course ribbons on the Primary Flight Display NOTE All of the features described in this section can be configured on the Primary Flight Display set menu page This section of the manual provides a description and picture of e

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