- Grand Rapids Technologies
Contents
1. Bar Graph B1 Off Bar Graph B2 Off Bar Graph B3 Off Bar Graph B4 Off Bar Graph B5 Off Bar Graph B6 Off Bar Graph B7 Off Bar Graph B8 Off Bar Graph B9 Off Bar Graph B10 Off Bar Graph B11 Off Split Box 1 11 On the ENG MAP split page there are provisions to display11 parameters Box 1 and 2 display at the top of the page and Box 3 11 display in a 3x3 grid beneath them B3 B4 and B5 are the top row B6 B7 and B8 the second and B9 B10 and B11 the third Split Box 1 RPM Split Box 2 MAP Split Box 3 Oil Temperature Split Box 4 Off Split Box 5 Off Split Box 6 Oil Pressure Split Box 7 Off Split Box 8 Off Split Box 9 Off GRT Horizon Set Up Guide RevA Setting Selection Suggested Value Split Box 10 Off Split Box 11 Off Reset Oil Hours on next SAVE Yes No Yes The STATS Engine page has a field that keeps track of engine hours since last oil change Selecting Yes resets that field if you select SAVE at the prompt GRT Horizon Set Up Guide Rev A Chapter 6 ENGINE LIMITS This set up page configures the Min Max limits that are used to annunciate alarms on the PFD for inputs to the GRT Horizon EFIS The GRT Horizon EFIS uses the GRT EIS Engine Information System to interface to all external inputs A feature of EIS is the capability to continuously compare each input to user set Min Max limits2. Min Fuel Minimum Fuel Quantity Generates a warning when the Set to at least enough useable fuel flow function s fuel quantity drops below this limit fuel to provide 30 60 minutes of fuel at cruise power Applicable Range is 0 500 gallons only if the fuel flow option is installed Min Aux Minimum 8 Maximum for Aux input ideally these limits Set limit as needed depending 1 6 would use the name the user selected for this input The on the use of the auxiliary input Max Aux displayed value must be either an integer or a decimal Some uses of the auxiliary 1 6 number with 1 digit after the decimal according to the inputs do not require limits such user selections below as manifold pressure and some do such as fuel pressure Range is 0 999 or 0 99 9 Max H2O Maximum water temperature limit Set limit as recommended by engine manufacturer Range is 0 300 deg F Min H20 Minimum water temperature limit Intended for Set limit based on experience troubleshooting engine problems Also useful as an engine not warmed up yet reminder Range is 0 300 deg F Max Volt Maximum Voltage Limit Allows for detection of failed Start with 15 6 volts Lower as regulator Loss of correct voltage regulation resulting in much as possible without over charging and subsequent high voltage will greatly getting false alarms Typical shorten the life of the battery and could be dangerous limit should be 14 6 Vol
3. Up Reference Heading Track Heading Selects whether the yaw axis reference for the PFD screen is heading or ground track Heading is the recommended setting as this allows the EFIS to provide an artificial view that matches the view out the window This makes the position of runways obstacles and other traffic appear on the screen in the same relative position that they appear out the window and is especially useful when strong cross winds exist as the difference between ground track and heading can be significant Stall Speed Vs1 POH Value Stall speed is the lower end of the airspeed tape at the bottom of the green and white sections Use the speed from your Aircraft Pilot Operating Handbook POH for this and the following settings Max Flap Ext Speed Vfe POH Value This setting is the top of the white section on the airspeed tape Max Struct Cruise Speed Vno POH Value This setting is the top of the green and the bottom of the yellow section of the airspeed tape Never Exceed Speed Vne POH Value Never Exceed speed This setting is the bottom of the red and the top of the yellow section of the airspeed tape Speed Bug 1 X These are user selectable speed bugs that can be used to indicate Vx Vy Vg They display as magenta triangles beside the airspeed tape Setting them to 0 disables them Speed Bug 2 Y See above Speed Bug 3 G See above Below Stall None
4. GRT HORIZON Models HX HS amp WS set Up amp Configuration Guide Rev A February 2009 Grand Rapids Technologies Inc 3133 Madison Avenue SE Wyoming MI 49548 616 245 7700 www grtavionics com INTENTIONALLY BLANK GRT Horizon Set Up Guide pg ii RevA FORWARD Welcome to Grand Rapids Technologies GRT Horizon We are pleased that you have chosen our product to meet your flying needs Visit the Grand Rapids Technologies GRT website www grtavionics com for the latest updates and supplemental information concerning the operation of this and other GRT products This manual describes the operation of GRT Horizon EFIS using the software version shown in the Record of Revisions Some differences may be observed when comparing the information in this manual to other software versions Every effort has been made to ensure that the information in this manual is accurate and complete GRT is not responsible for unintentional errors or omissions in the manual or their consequences Copyright 2001 2009 Grand Rapids Technologies or its subsidiaries All rights reserved Information in the document is subject to change without notice Grand Rapids Technologies reserves the right to change or improve their products and to make changes in the content of this material without obligation to notify any person or organization of such changes or improvements CAUTIONS WARNING Obstacle clearance is not assured in Synthetic Ap
5. SL40 Provides tuning and frequency present for communication radio functions to SL 40 9600 baud GPS NMEA 0183 1 or 2 Used to interface to internal GRT GPS if equipped Display Unit Link Used to connect to other display units via RS232 format 19200 baud Weather must be Serial Port 1 or 2 on HS amp WS DUs Used to interface to XM Weather data via RS232 format 115200 baud CO Guardian Used to reset CO warning data via RS232 format 9600 baud Serial Port 1 2 3 4 5 6 Input None Will be continuously changing when Counter the serial port is operating correctly Not a user setting Analog 1 2 3 4 5 6 7 8 Function Off ILS Tuned 1 or 2 GPS Deviations Active 1 or 2 VOR ILS Deviations Active 1 or 2 Ext A P HDG Mode Select direct or cycle Hold Seguence Active Hold Aux EIS compatible Flap Position Aileron Trim Elevator Trim Page Flip Sync Selected Heading Used to assign functions to specific analog ports GRT Horizon Set Up Guide pg 2 4 RevA Setting Selection Suggested Value Dimmer Discrete 1 2 3 4 5 6 7 8 Active Low High Depends on use Voltage EIS Model 4000 6000 9000 As installed EIS Temperature Units Deg F Deg C Deg C except CHT Deg F Deg F except OAT Deg C except FADEC EIS Fuel Flow Units Gallons Liters Liters with extra Gallons conversion EIS Baroset Units In Hg millibars Inches Hg AltEn
6. Serial Port 1 2 3 4 Output Off Autopilot NMEA 0183 Autopilot Aviation AHRS 1 or 2 Fuel Air Data Z Format Fuel Air Data S Format Fuel Air Data D Format Alt Encoder 1 or 2 SL30 1 or 2 SL40 GPS 1 or 2 NMEA 0183 Display Unit Interlink XM Weather CO Guardian Used to assign functions to specific Serial Ports Off Unused ports should be set to Off Autopilot NMEA 0183 format For controlling autopilots that accept NMEA 0183 data If Autopilot accepts both RS 232 Aviation MapCom and NMEA 0183 format this format is preferred 4800 or 9600 buad GPS dependent Autopilot RS232 Aviation MapCom format For controlling autopilots that accept RS232 Aviation data typically those designed to interface to panel mount GPS 9600 baud GRT Horizon Set Up Guide Rev A Setting Selection Suggested Value AHRS 1 or 2 Used to communicate to the AHRS via RS232 format 19200 baud Fuel Air Data Z Format Provides fuel flow fuel totalizer airspeed and altitude data output If the equipment receiving this data does not accept it try the S and D formats 9600 baud Fuel Air Data S Format Fuel Air Data D Format Altitude Encoder 1 or 2 Configures output format of altitude encoding data Format is determined by Altitude Encoder Setting see below SL 30 1 or 2 Provides tuning and_ frequency present for communication and navigation radio functions to SL 30 1 or 2 9600 baud
7. Set to Yes only if this display unit includes an ARINC 429 module and other display units do not include this module Send Zaon 8 GTX330 Data Yes No Set to Yes only if this display unit is wired to Zaon or GTX330 and other display units are not Send DEMO Data Yes No Yes is preferred as it allows all display units to show the demo data being re played from any other display unit ARINC Module Connected Yes No This setting is reguired to be YES if the EFIS Horizon has an ARINC 429 Module installed This setting will also show the autopilot gains at the bottom of this page when selected If YES the Receive and Transmit setting must be set to the same setting as the radio unit installed ie GNS 430 etc The ARINC Input Counter counts packets received from the ARINC module and is useful for troubleshooting Serial Port 1 2 3 4 5 6 Rate 110 300 600 1200 2400 4800 9600 14400 19200 38400 56000 57600 115200 128000 256000 Depends on use All serial ports can be configured for any of the functions listed below The function of the port and the baud rate must be set to correspond to the equipment wired to the port Note that the baud rate selection sets both input and output of each Serial Port On a given Serial Port the In and Out cannot have different baud rates On HS amp WS DUs Only Serial Port 1 amp 2 are high speed On HX DUs all Serial
8. Red Red This allows user selectable color of the airspeed tape for speeds below stall speed HITS Frame Color Magenta Green White Magenta Sets the color of the HITS boxes and is user selectable Attitude Reference Index Bars Nose Nose Selects whether the pitch reference on the PFD are traditional pitch reference bars or a non traditional nose reference cyan colored circle The traditional bars are bolder but tend to clutter the PFD screen a little more than may be desired especially near the center of the screen where the depiction of the GRT Horizon Set Up Guide Rev A Setting Selection Suggested Value runway flight path marker and HITS occurs Since the PFD includes a flight path marker the need for traditional bars is reduced Nose is recommended but try both to chose your preference GPS CDI On Off On Enables or disables the GPS CDI on the PFD page Slip Indicator On Off On Controls the display of the slip indicator Turn Rate Indicator On Off On Controls the display of small greet triangles on the roll scale that indicate the bank angle required to achieve a standard rate 2 minute turn Wind Indicator Mode Off Vector amp Digital Speed Vector amp Digital Speed amp Direction Vector amp Digital Speed amp Direction OFF No display of wind data Vector and Digital Speed The vector arrow points t
9. Ports are high speed Serial Port 1 2 3 4 5 6 Input Off AHRS 1 or 2 EIS GPS 1 or 2 NMEA 0183 Global Positioning GPS 1 or 2 Aviation Map Com SL30 1 or 2 SL40 Display Unit Interlink XM Weather Zaon Traffic CO Guardian 1 GTX330 Traffic Used to assign functions to specific Serial Ports Off Unused ports should be set to Off AHRS 1 or 2 Used to communicate to the AHRS via RS232 format 19200 baud GRT Horizon Set Up Guide RevA Setting Selection Suggested Value EIS Engine Monitor Used to accept data from EIS via RS232 format 9600 baud NMEA 0183 GPS 1 or 2 Used to accept GPS data via NMEA0183 data format Used to interface to internal GRT or hand held GPS if equipped 4800 or 9600 baud depends on GPS receiver GPS 1 or 2 Aviation MapCom Used to accept GPS data via RS232 Aviation format from panel mount GPS 9600 baud SL 30 SL 40 1 or 2 Used to accept data from a SL 30 SL 40 via RS232 format 9600 baud Display Unit Link Used to connect to other display units via RS232 format 19200 baud Weather must be Serial Port 1 or 2 HS amp WS DUs Used to accept XM Weather data via RS232 format 115200 baud Zaon PCAS XRX Used to accept traffic data via RS232 format 57600 baud CO Guardian Used to accept CO warning data via RS232 format 9600 baud GTX 330 Used to accept traffic data via RS232 format from GTX330 or Zaon 9600 baud
10. it is as high as possible without oscillations back and forth across the localizer until 100 200 feet above the ground VOR Gain Adjust the gain as high as possible so that oscillations begin when close to the VOR If tracking of the VOR causes an uncomfortable ride due to noise on the VOR data reduce the gains as desired Altitude Hold Gain Adjust the gain to hold altitude without oscillations in turbulence Vertical Speed Gain Adjust the gain to hold vertical speed without oscillations in turbulence Glideslope Gain Adjust the gain to stay on the glideslope without oscillations in turbulence GRT Horizon Set Up Guide pg 2 10 Rev A NOTE Depending on the intercept angle when the approach is captured the turn rate available through the autopilot and other factors pilot intervention may be required to capture the approach without overshoot The recommended procedure for intercepting the synthetic approach is to do so ata distance of 8 nm or more from runway at an intercept angle of 45 degrees or less The accuracy of the autopilot to track the synthetic approach will be maximized when the intercept occurs in this manner GRT Horizon Set Up Guide pg 2 11 Rev A Chapter 3 PRIMARY FLIGHT DISPLAY The Primary Flight Display Setup Menu allows you to set your preferences on the PFD Detailed information on each choice follows this table which shows suggested values Setting Selection Suggested Value
11. set the Offset on the PFD DU to 0 and the Offset on the MFD to local time Lateral Autopilot Functions Off On On This setting turns on page view labels for LAT A P and enables Lateral Autopilot Vertical Autopilot Functions Off On On This setting turns on page view labels for VERT A P and enables the Vertical Autopilot Note that vertical autopilot functions are only available when ARINC interface is used Autopilot must accept GPSS and GPSV commands Turn Anticipation Range 0 0 5 0 1 0 This setting determines the distance in miles the autopilot needs to be from the navaid or waypoint before it will start a turn This setting only effects GPSS steering commands Autopilot Serial Output Normal GPS Coupler Normal This setting configures the data sent to the autopilot Normal should be used by most modern autopilots The GPS Coupler selection formats the data for use with older autopilots that use a GPS couplers such as some Navaid Devices or S Tec autopilots Autopilot Gains See Text Below GRT Horizon Set Up Guide Rev A Serial Port Settings If you re using more than one radio or GPS use the 1 or 2 settings For example a 430 and SL30 the 430 will be the number 1 radio and the SL30 will be the number 2 radio set accordingly GPS Aviation Mapcom 1 for the 430 and SL 30 2 for the SL30 NOTE When both the analog and serial outputs from a navigation receiver a
12. the ARINC data In this example DU1 would be set to GPS 1 and DU2 would be set to OFF SL30 OBS Source SL30 NAV Head EFIS Course Knob EFIS Course Knob This selection allows the SL 30 s external navigation head to provide the selected course OBS data to the EFIS permitting the external Nav head and EFIS to show the same course at all times If no course data is provided by the SL 30 the EFIS automatically reverts to the EFIS course knob for course selections NAV Mode Source Internal External External GNS430 530 amp 480 have two modes GPS or VOR ILS On the receiver the mode is selected by the CDI button External uses the CDI button to switch the mode of both the 430 and the DU Internal switches the mode of the DU but the 430 mode must also be changed via the CDI button NAV EXT1 Label EXT1 G430 1 G480 1 G530 1 As connected NAV EXT2 Label EXT2 G430 2 G480 2 G530 2 As connected NAV1 Label VOR TACAN VOR NAV2 Label VOR TACAN VOR GPS 1 Flight Plan Source Internal External This selection specifies if the internal EFIS flight planning function is active or if the external GPS flight plan is to be used for GPS receiver 1 Select External if an external GPS is configured as GPS 1 Select Internal if the EFIS is equipped with internal GPS and it is configured as GPS 1 GPS 2 Flight Plan Source Internal External See abov
13. you to define to the DU receiving Analog data the source of the Analog data In this example DU1 would be set to OFF and DU2 would be set to Nav 1 EXT NAV MODE Off NAV 1 or 2 Only applicable when two GNS430 530 or 480 receivers are in use GNS430 530 amp 480 have two modes GPS or VOR ILS The mode is selected by the CDI button Since switching the mode on the receiver may also change the mode on the DU this selection defines to the DU which GPS receiver is connected to that DU ARINC VOR ILS Inputs Off NAV 1 or 2 Defines the source of ARINC VORJILS data to DU Many GPS GNS430 530 480 output VOR ILS and GPS data in both ARINC and Analog format In dual DU systems for redundancy DU1 may receive VOR ILS data via ARINC and DU2 would receive it via Analog This selection allows you to define to the DU receiving ARINC data the source of the ARINC data In this example DU1 would be set to Nav 1 and DU2 would be set to OFF ARINC GPS Input Off GPS 1 or 2 Defines the source of ARINC GPS GRT Horizon Set Up Guide RevA Setting Selection Suggested Value data to DU Many GPS GNS430 530 480 output VOR ILS and GPS data in both ARINC and Analog format In dual DU systems for redundancy DU1 may receive GPS data via ARINC and DU2 would receive it via Analog This selection allows you to define to the DU receiving ARINC data the source of
14. 0 Dial 4 Red End 0 Dial 4 Bug 1 Position 0 Dial 4 Bug 2 Position 0 Dial 4 Bug 3 Position 0 Dial 4 Bug 4 Position 0 Dial 4 Bug 5 Position 0 Dial 4 Bug 6 Position 0 Performance Fuel Box 2 Off Carb temp TAS MPG KPL Carb The display in the upper left corner of the Engine Monitor displays GRT Horizon Set Up Guide pg 9 3 RevA Setting Selection Suggested Value fuel related information The second field on the left side is user selectable from the above choices Fuel Flow Data Off On On Fuel Flow information may be displayed in the upper left corner also Number of Cylinders 2 4 6 9 4 Sets how many EGT CHT graphs are to be displayed This setting should correspond to the number of EGTs that are measured by the model of EIS that is being used EGT Vertical Graph Min 900 One of the engine display pages shows EGT and CHT as graphs These settings define the appearance of those graphs Similar to other displays it is not necessary to start these at 0 EGT Vertical Graph Max 1600 EGT Vertical Graph Increment 200 EGT Vertical Graph Ticks 100 CHT Vertical Graph Min 100 CHT Vertical Graph Max 500 CHT Vertical Graph Increment 100 CHT Vertical Graph Ticks 100 EGT Time History Temp Min 900 Used to set the Min Max temps displayed when EGT Time History display is selected The narrower the band higher Min lower Ma
15. 2 0 from 1 0 in increase gain Note that the autopilot may limit some responses for example the amount of bank angle used to intercept a course Cross Track Gain XTGain Normally this gain should not be altered as it currently affects GPS Synthetic Approach Localizer and Glideslope With the Roll Gain adjusted as desired airplane on course with minimal cross track error change to heading mode select a heading 20 degrees different from the current heading When the airplane is 500 1000 off course and heading 20 degrees away from the course change back to NAV mode for the lateral autopilot mode Adjust the XTGain so that the airplane recaptures the GPS course with a small overshoot If XTGain is too low the intercept angle will be at shallow angles and will be sluggish If too high overshoot will be observed Roll Gain Put the airplane on the course with zero cross track error use the GPS on a 500 range scale to see when very close to being on track Note how much activity there is in the ailerons in smooth air while on course Set the roll gain as high as possible but not so high that it results in any noticeable roll activity in smooth air Note that Roll Gain affects all modes except Heading Heading Gain Slow the airplane to the minimum speed at which you will use the heading select function Adjust the Heading gain as high as possible without excessive roll or heading oscillations Localizer Gain Adjust the gain so that
16. 2 RevA Chapter 8 AHRS MAINTENANCE This page is primarily for factory use The fields of interest to the user are AHRS Software Version Should correspond to the latest stable version as listed on the GRT website Load AHRS Software To load updated AHRS software Press any button Press NEXT knob more than once may be required Press SET MENU knob Scroll to AHRS Maintenance press knob Scroll to Load AHRS Software press knob and turn to start Ae Ke True Airspeed Corrections The GRT Horizon EFIS does not provide any means to correct the indicated airspeed as this would result in the GRT Horizon EFIS showing a different indicated airspeed than other indicators that may be installed in the airplane However the GRT Horizon EFIS does provide a means of correcting the true airspeed that it displays in the PFD data box and which is used in the wind calculation Since the wind calculation is based on the difference between GPS groundspeed and true airspeed it is quite sensitive to true airspeed errors and a significant improvement in the accuracy of the winds can be achieved by performing this calibration for some airplanes The correction is made using True Airspeed Corrections selection The instructions are in the Calibration section of the GRT Horizon EFIS Users Guide Altimeter Calibration This Settings page is used to recalibrate the altimeter Instructions are in the GRT Horizon EFIS User Guide Angle of Attack Calib
17. DIM OFF pow oF oe Press Set MENU Scroll to desired menu Press knob to select To change a setting Note that the box around the setting is dim Push either knob The box will become bright to indicate you are in change mode Rotate either knob to view the choices pg 1 1 RevA When the desired choice is in the box will return to dim window push either knob to select The GRT Horizon Set Up Guide pg 1 2 RevA Chapter 2 GENERAL SETUP General Setup configures the serial ports which are used to communicate between display units and other installed equipment units of measure and other interface items General Setup must be configured on each DU Usually there are differences between DUs This table shows suggested values and gives explanation for each parameter Setting Selection Suggested Value Inter Display Link Auto Primary 2 3 4 Set one display unit to Primary all others to AUTO The numeric entries force the display unit to a particular address and may be useful for troubleshooting but should otherwise not be used Valid Frames Received None Will be continuously changing when the inter display unit link is operating correctly Not a user setting Compare Limits Yes No Yes allows the display units to compare limits and prompt you to correct mis matching limits between display units Normally limits are automatically transmitted between display units w
18. If an input exceeds its limits the error is annunciated by a flashing warning lamp and flashing EIS display In EIS if a limit is set to 0 then that input is not monitored and will not trigger an alarm The GRT Horizon EFIS can have Min Max limits set similar to EIS If this is done out of limit inputs will trigger an alarm on the display as well as in EIS Like EIS setting an EFIS limit to O causes it not to be monitored How alarms are annunciated is a user preference The options are EIS only EIS should be mounted in the panel so the pilot can acknowledge alarm Set all desired engine limits in EIS and set all engine limits in EFIS to 0 EFIS only works well if EIS is mounted remotely such as for rear engine aircraft Set all engine limits in EIS to 0 and set all desired engine limits in EFIS EIS and EFIS alarms will have to be acknowledged in both units Gives some backup in case of EFIS failure EIS is still capable of generating alarms Set desired engine limits in both EIS and EFIS Definition of Engine Limits and suggested settings are in the table below this table is identical to the table in the EIS User s Manual Setting Use CCC Recommended Setting Max Time Alerts pilot when flight time exceeds this limit Useful as a 30 45 minutes less than warning to check fuel Limit is entered in minutes so 2 airplane s endurance hours is entered as 120 etc Range is 0 500 minutes Interval Provi
19. KMH Kilometers Knots nautical miles This selection defines the units used for all displays except those specifically labeled otherwise The selection changes both speed and distance units Temperature Units Deg F Deg C Deg F Used for all temperature data unless otherwise specified Fuel Units Gallons Liters Gallons Defines units used for fuel flow totalizer function and flow rate This selection does not alter the data received from EIS Tachometer Units RPM Percent RPM RPM Manifold Pressure Units In Hg 100mm Hg In Hg Pressure Units Psi atm kg cm2 Psi Outside Air Temp Source Auto AHRS EIS Auto An OAT sensor may be attached to EIS or EFIS or both GRT Horizon Set Up Guide RevA Setting Selection Suggested Value Auto will use the data from EIS if it is valid or the Horizon EFIS AHRS if it is valid Valid OAT data must be greater than 40 deg F The AHRS EIS selections force the specified source to be used OAT is used for true airspeed calculations which affect wind calculation and other flight plan predicted data Analog VOR ILS Inputs Off NAV 1 or 2 Defines the source of Analog VORJILS data to DU Many GPS GNS430 530 480 output VOR ILS and GPS data in both ARINC and Analog format In dual DU systems for redundancy DU1 may receive VOR ILS data via ARINC and DU2 would receive it via Analog This selection allows
20. ange at which each of the following symbols are displayed The symbol will appear on the map when the map s range is setto a range egual to or lower than this entry The available selections are the map ranges with the addition of OFF which disables the item so it will not be displayed at any time These selections serve to declutter the map display Small airports 20 Airports with runways less than 5000 feet Medium airports 100 Airports with runways 5000 feet or longer or a control tower Large airports 300 Airports with runways longer than 8100 feet VOR 300 Includes VORs VOR DME VOR Tacan VORTAC NDB 50 Airspaces 50 Includes Class B C and D GRT Horizon Set Up Guide Rev A Setting Selection Suggested Value airspace boundaries Max obstructions distance 10 Obstacle alarm On Off On Enables disables alarms that warn of nearby obstacles When enabled an obstacle alarm will be provided when an obstacle is projected to be within 250 feet of the aircraft s flight path within 60 seconds time and 25 degrees of ground track Since flight path is used an alarm will be generated if the aircraft is above the obstacle but descending at a rate that will allow it to collide with it Likewise if the aircraft is below an obstacle but climbing at a sufficient rate to miss it an alarm will not be generated Terrain On Off On Enables the Movi
21. c1 Serial Format AL 12345T 25CK ALT 12345 with 99900flag ALT 12345 with 2500 flag MGL 12345T 25CK For transponders that do not accept fuel air data from the GRT Horizon EFIS for altitude encoding this setting defines the format of the serial altitude output The required format should be specified in the transponder installation manual Note that the GRT Horizon EFIS can simultaneously provide two different altitude encoding outputs to drive two different transponders AltEnc2 Serial Format Same as above Page Change Single Double Click Double Click This setting controls how page views change One click press of a button or knob will change the view Two clicks will show the labels then another click is required to change the view Initial Menu Timeout sec 3 0 120 5 0 These selections determine how long menu boxes remain on the screen Used Menu Timeout sec 3 0 120 5 0 Default Page PFD MAP ENG PFD MAP PFD HSI PFD ENG MAP ENG PFD for MFD1 MAP for MFD 2 This setting sets the default page MAP Circle View MAP HSI MAP after the start up screen is North Up acknowledged Page Selection Numerous All ON This setting enables or disables the various available page views For example if you want to be able to view a split page of PFD left MAP right you must enable it here Speed Distance Units Knots Nautical Miles MPH Statute Miles
22. des a warning that repeats at the interval entered in As required Typically 30 60 minutes Useful as a reminder to perform periodic tasks minutes is used for changing such as switching fuel tanks Acknowledging this alarm fuel tank selection cancels the warning completely therefore the warning light will not remain on after acknowledging this alarm Range is 0 500 minutes GRT Horizon Set Up Guide pg 6 1 RevA Setting Use Recommended Setting Max Flow Maximum Fuel Flow Generates a warning when the Set about 10 20 above max fuel flow rate of fuel burn exceeds this limit Useful for fuel flow rate at full takeoff detecting badly leaking fuel lines loose connections to power Applicable only if the fuel fuel injectors etc Very useful safety feature for all flow option is installed engines but especially fuel injected engines Be sure to use it Range of Max Fuel Flow Limit is 0 500 gph in increments of 1 gallon hour Max OilP Maximum Oil Pressure Useful as a reminder to reduce 98 or less Max oil pressure RPM when warming a cold engine especially in winter displayed by the instrument is conditions to avoid excessive oil pressure 99 psi Range is 0 99 psi Min OilP Minimum Oil Pressure Essential Be sure to use this As recommended by the engine one Warns of loss of oil pressure As this is the most manufacturer or 20 psi serious alarm some pilots may take drastic actio
23. e Virtual GPS 2 Off On When On a second GPS 2 navigation mode is provided whose flight plan is entered via the internal GPS flight plan selection The position data for this virtual GPS is provided by the GPS1 source This allows the pilot to enter one flight plan into the external GPS and a second flight plan into the EFIS GRT Horizon Set Up Guide Rev A Setting Selection Suggested Value internal flight plan The desired flight plan can be selected by setting the navigation mode to GPS1 or GPS2 Requires only one GPS Flaps amp Trim Calibration Table If Flap and or Trim position sensors have been fitted this page provides for calibration of the on screen indicators GRT Horizon assumes that sensors are connected to analog inputs The specific analog input is defined earlier in this set up page External dimmer Scale Table If an external voltage is being supplied one of the analog inputs to control dimming this page provides for calibration of that control Clock Off On On Turns on clock Set Mode Manual Auto Auto Auto uses GPS NMEA0183 or weather data to set time Clock power must be provided to retain local time settings Local Time Offset Used to set clock to local time enter hours difference from Zulu time If left 0 clock will display Zulu time You can display Zulu time on the PFD and local time on the MFD if you
24. e is 0 1900 deg F Lim RPM Defines the RPM at which the following RPM dependant Set limit to an RPM slightly less limits become active These are Min EGT and Min than the RPM used for the MAG Crz_OP check This allows the Min Volt test to become active during the Range is 0 9990 RPM MAG test to automatically test for charging Max Maximum difference between the highest and lowest Set this limit based on EgtSpan EGT This limit can be used to help detect changes in experience It may take some normal engine operation It is also useful when leaning trial and error to arrive at a good using the digital leaning pages as it is possible to not limit After establishing a limit notice a EGT that is abnormally low when using these that rarely generates alarms pages to lean the engine Its more obvious on the bar activation of this alarm may graph pages indicate developing engine problem Range is 0 1900 deg F Max EGT Maximum Increase in EGT from the Lean Point This Set limit based on experience A Inc alarm is active while lean point is active This alarm will small value will allow sensitive often generate a false alarm when the load on the engine detection of EGT increases significantly reduced during descent To avoid this false which is useful for detection of alarm reset the Lean Point Selecting Set Lean Page intermittent problems Normal and Yes activates alarm Reset de activates alarm operation ma
25. el Label Label Label Label Label Label Label Label Label Label Label Label Coolant Temperature Carb Temperature Highest EGT Exhaust Gas Temperature Highest CHT Cylinder Head Temperature Highest TIT Turbine Inlet Temperature Aux 1 6 from EIS Engine Monitor Outside Air Temperature Density Altitude Volts from EIS Fuel Flow Fuel Remaining from Fuel Flow Fuel Range from Fuel Flow Groundspeed True Airspeed Percent Power Power Bus 1Voltage Power Bus 2 Voltage Power Bus 3 Voltage ETE Estimated Time Enroute RNG Range BEAR Bearing DEST Destination RPM Revolutions per minute RPM2 Revolutions per minute N1 N2 OilT Oil Temperature OilP Oil Pressure Cool Coolant Temperature Carb Carburetor Temperature Hi EGT Hi CHT Hi TIT MAP Manifold Pressure FPrs Fuel Pressure L Fuel Left Fuel tank R Fuel Right Fuel tank AMP Amps Volts Volt Volt Volt3 D Alt OAT Outside Air Temperature GS Groundspeed TAS True Airspeed GRT Horizon Set Up Guide pg 3 6 RevA Label Power Suggestion Many have found that setting the left four Databoxes to show Dest Waypoint ID Dest Wpt Est Time Enroute Dest Waypoint Range and Dest Waypoint Bearing and the right four databoxes to show engine information such as RPM and Manifold Pressure is convenient This is the factory default GRT Horizon Set Up Guide pg 3 7 RevA Chapter 4 MOVING MAP SETUP This se
26. es not change in a uniform manner The Fuel Data Scale provides a way to correct for this Fuel quantity is one of the Aux Inputs on EIS Since the sender is likely a linear device it is convenient to configure the EIS Aux Input to show 0 100 roughly corresponding to 100 or 0 to H where H is the height of the tank The entries in this table are then used to correlate the reading from EIS Probe on the Fuel Data Scale Tables to the actual fuel Actual on the Fuel Data Scale Tables The actual amount must be accurately measured One method is to drain the tank and incrementally add known quantities of fuel There are tables for Left Center and Right Fuel Tanks and up to 10 entries allowed The more entries you have in the table the more accurate the display For best results try to have multiple entries where the shape changes to get better resolution For example if the tank is uniform for the first 5 inches a couple of entries will suffice for that If it then changes a lot in the next inch three or four entries would be good there If the shape is uniform above that point just a few entries will work for that portion Keep in mind that if this table is used the fuel levels displayed on EIS may not match those shown on the EFIS It is a good practice to provide for an independent fuel quantity measurement such as a sight gauge or calibrated dipstick Note also that fuel quantity discussed here is measurement of the actual flu
27. ev A Chapter 1 INTRODUCTION The Settings Menu is provided to configure your GRT Horizon EFIS for your preferences and to setup interfaces to other eguipment in your aircraft This manual is intended to assist you in using the Settings Menu When you have completed configuring your GRT Horizon you may want to backup the settings to a USB flash drive memory stick This is done on the Display Unit Maintenance page and must be done for each Display Unit The pages in the Settings Menu are General Setup Primary Flight Display Moving Map Graphical Engine Display Engine Limits Display Unit Maintenance AHRS Maintenance Altimeter Calibration They are to be setup on each unit All user settings are stored in non volatile memory and thus are not lost when power is removed from the DU The data is stored with error detection algorithms to detect loss or changes to the data caused by memory failure All user settings are retained when software is upgraded When software upgrades result in new user settings becoming available these settings will default to the values described in the revised Users Guide issued with the software upgrade How to Access the Settings Menus To access Settings Menu 1 Press any button GRT Horizon Set Up Guide 2 Press button labeled NEXT more than once may be required 3 Press button labeled SET MENU 4 Scroll either knob to desired menu 5 Press knob to select ARM SET Set
28. h airport Translated selection shows the TAF in plain English GRT Horizon Set Up Guide Rev A Chapter 5 GRAPHICAL ENGINE DISPLAY SETUP There are a six engine display pages This menu allows the user to select which parameters are displayed and in what manner they are displayed The following table is an example of a typical setup for a RV with an O 360 engine It reflects the example pages shown in Section 4 Engine Monitor Setting Selection Suggested Value Dial Settings Up to four engine parameters may be displayed as conventional dials The dials display includes the capability to display red lines green and yellow arcs a numeric display of the current value and up to 6 Bugs Dial 1 is the top left dial 2 is the top right dial 3 is the bottom left dial and 4 is the bottom right dial Dials 1 and 2 are visible on all engine monitor pages Each dial is configured in the same manner Dial 1 Source Dial Source Off RPM Aux 1 6 Fuel Flow Percent Power N1 N2 Fuel Pressure CHT 1 2 EGT 1 2 TIT 1 2 Highest CHT EGT or TIT Oil Temp Oil Press Torque Fuel Qty Fuel Remaining EIS and EFIS Volts Amps Coolant Temp Carb Temp Gear Box Temp Hyd Press Water Press Air Press Aux 1 6 MAP Dial 1 Scale 01 1 1 10 100 0 1 This is what determines the available resolution of the dial and also the numeric display It should correspond to the resolution set in EIS For exam
29. hen updated by the pilot Send EIS Data Yes No Select Yes only if a other display units do not have EIS wired to them Send Analog Inputs Yes No Select Yes only if a display unit has analog inputs wired to it that other display units do not have Send SL30 1 Data Yes No Select No unless another display unit is not provided with SL30 1 serial data Normally all display units should be wired to the SL30 1 serial data output Send SL30 1 Commands Yes No Select Yes if an SL30 is used as nav com radio 1 and a different display unit is providing the serial output to the radio Send SL30 2 Data Yes No Select No unless another display unit is not provided with SL30 2 serial data Normally all display units should be wired to the SL30 2 serial data output Send SL30 2 Commands Yes No Select Yes if an SL30 is used as nav com radio 2 and a different display unit is providing the serial output to the radio Send SL40 Commands Yes No Select Yes if an SL40 is used GRT Horizon Set Up Guide RevA Setting Selection Suggested Value as a com radio and a different display unit is providing the serial output to this radio Send GPS Data Yes No Select No unless another display unit is not provided with GPS serial data Normally all display units should be wired to the GPS serial data output Send ARINC Data Yes No
30. iation when the Horizon EFIS navigation mode is VOR VOR will appear just to the left of the scale on the PFD To From is provided to the right of the scale if available Show GPS CDI on Loc GS Yes No Yes This setting displays the GPS CDI when localizer and glideslope is active ILS Inhibit of HITS Inhibit No Inhibit No Inhibit When inhibited the HITS that is displayed during Synthetic Approach is removed when the navigation mode is LOC or ILS and the localizer is valid The height above touchdown zone will still appear below the Flight Path Marker Default Decision Height 200 When the height above the runway touchdown zone is lower GRT Horizon Set Up Guide Rev A Setting Selection Suggested Value than this entry the height above touchdown that is displayed below the Flight Path Marker will flash between Red and Green G Meter Mode Off Auto On On with Min Max On with Min Max OFF G Meter does not display Auto G Meter displays when High or Low threshold is exceeded ON G Meter is displayed ON with Min Max G Meter displays inside a yellow box when Caution Min or Max is exceeded G Meter Maximum Sets the scaling of the analog portion of the G Meter Set at or slightly greater than max allowable positive G loading G Meter Minimum Sets the scaling of the analog portion of the G Meter Set at or slightly greater than max all
31. id If the EIS Fuel Flow option has been selected fuel quantity is calculated by the fuel flow transducer The initial fuel quantity is input either to EIS or EFIS and as fuel is consumed the fuel remaining is calculated based on fuel flo GRT Horizon Set Up Guide pg 6 7 RevA Chapter 7 DISPLAY UNIT MAINTENANCE This set up page is used to install GRT Horizon EFIS software and database updates and other system maintenance tasks Most fields are for factory use EFIS Settings Backup This feature allows all user settings to be stored or recalled from a file on a USB flash drive The Backup Directory function will name a directory on the flash drive for easy identification Backup All Settings selection will backup the settings for the display unit you are saving from To restore the settings previously saved select the directory that was named during backup and select Restore All Settings Load EFIS Software This feature allows the user to load updated GRT software and databases This data is available on the GRT website www grtavionics com The latest Instructions for updating data are also there Download the data and transfer it to a USB flash drive memory stick The USB flash drive must be installed in the display unit and the unit powered In multiple display systems the software version must match on each display unit To Load EFIS Software Press any button Press NEXT knob more than once may be required Press SET MENU k
32. ike this From the Lycoming manual the altitude performance chart indicates that at 14000 ft with RPM of 2300 and MAP of 17 inHg produces 88 hp At sea level the same 2300 RPM 17 inHg produces 65 hp The difference 88 65 23 is entered into the table for 14000 ft entry An example of a filled in table for a Lycoming O 320 is O 320 160 HP RPM 55 MAP 75 MAP Altitude Delta HP 2000 22 7 27 6 2000 6 0 2100 21 9 26 8 4000 8 0 2200 21 2 26 0 6000 12 0 2300 20 5 29 1 8000 15 0 2400 19 7 24 2 10000 22 0 2500 19 1 23 6 12000 29 0 GRT Horizon Set Up Guide pg 6 6 Rev A RPM 55 MAP 75 MAP Altitude Delta HP 2600 18 6 23 0 14000 23 0 2700 18 3 22 5 If you do not data for this table leave it blank All that happens is percent power is not calculated Fuel Data Scale The Fuel Data Scale provides a way to calibrate irregular shaped fuel tanks Fuel level senders are often linear devices their output or resistance changes linearly as the level of fuel changes If the shape of the fuel tank is uniform the volume of fuel will increase linearly with the height of fuel For example a 20 gallon tank which is 10 inches tall every inch of fuel is 2 gallons If the tank is irregularly shaped this is not the case Perhaps the fuel tank is a wet wing so the tank is the shape of the wing Obviously in this case as the height of fuel changes the quantity of fuel do
33. in Level 10 0 MAP Graph Max Level 32 0 Aux 2 Function Left Fuel Left Fuel Integer Decimal Decimal Left Fuel Graph Min Level 0 Left Fuel Graph Max Level 15 Aux 3 Function Right Fuel Right Fuel Integer Decimal Decimal Right Fuel Graph Min Level 0 Right Fuel Graph Max Level 15 Aux 4 Function Amp Amp Integer Decimal Integer Amp Graph Min Level 100 Amp Graph Max Level 100 Aux 5 Function Fuel Pressure Fuel Pressure Integer Decimal Decimal Fuel Pressure Graph Min Level 0 GRT Horizon Set Up Guide RevA Setting Selection Fuel Pressure Graph Max Level Suggested Value 0 Aux 6 Function Off Typical Cruise Fuel Flow 9 Expressed in Gallons per Hour GPH This value is used to compute Endurance Reserve Fuel Display at Airports Future use Bar Graph A1 A6 Bar Graph A1 Six bar graphs are displayed in the lower left corner of every Engine page Here is where the selection of these six parameters is made A1 is the left most display Off causes that bar not to display Oil Pressure Bar Graph A2 Oil Temperature Bar Graph A3 EIS Volt Bar Graph A4 Amp Bar Graph A5 Off Bar Graph A6 Off Bar Graph B1 B11 There are provisions for an additional eleven bar graphs to the right of A6 Here is when the selection of these parameters is made B1 is the left most display Off causes that bar not to display These are displayed only on the BARS Engine page
34. l 2 Units Label x100 GRT Horizon Set Up Guide Rev A Setting Selection Suggested Value Dial 2 Start 1000 Dial 2 End 2700 Dial 2 Label Increment 200 Dial 2 Tick Increment 100 Dial 2 Green Start 1000 Dial 2 Green End 2400 Dial 2 Yellow Start 0 Dial 2 Yellow End 0 Dial 2 Red Start 2600 Dial 2 Red End 2700 Dial 2 Bug 1 Position 2200 Dial 2 Bug 1 Color Magenta Dial 2 Bug 2 Position 0 Dial 2 Bug 3 Position 0 Dial 2 Bug 4 Position 0 Dial 2 Bug 5 Position 0 Dial 2 Bug 6 Position 0 Dial 3 Source Percent Power Dial 3 Scale 1 Dial 3 Units Label Dial 3 Start 0 Dial 3 End 100 Dial 3 Label Increment 10 Dial 3 Tick Increment 5 Dial 3 Green Start 0 Dial 3 Green End 0 Dial 3 Yellow Start 0 Dial 3 Yellow End 0 Dial 3 Red Start 0 Dial 3 Red End 0 Dial 3 Bug 1 Position 75 Dial 3 Bug 1 Color Magenta Dial 3 Bug 2 Position 0 Dial 3 Bug 3 Position 0 Dial 3 Bug 4 Position 0 Dial 3 Bug 5 Position 0 Dial 3 Bug 6 Position 0 Dial 4 Source Fuel Flow Dial 4 Scale 0 1 Dial 4 Units Label No Label Dial 4 Start 0 0 Dial 4 End 20 0 Dial 4 Label Increment 5 0 Dial 4 Tick Increment 1 0 Dial 4 Green Start 0 Dial 4 Green End 0 Dial 4 Yellow Start 0 Dial 4 Yellow End 0 Dial 4 Red Start
35. n when seeing this alarm Consider you situation carefully if you get this alarm An instrumentation failure sensor failure is possible as is complete engine stoppage or anything in between Use your judgment Range is 0 99 psi Min Minimum Cruise Oil Pressure Generates a warning AS recommended by engine Crz_OP when the oil pressure is below this limit This limit is manufacturer if available If not active only when the engine RPM is above the min Lim provided set based on RPM setting This allows setting a low oil pressure limit experience that apply only at higher engine RPM Max OIIT Maximum Oil Temperature As recommended by engine manufacturer Range 0 300 deg F Min OilT Minimum Oil Temperature Intended for troubleshooting Set limit based on experience engine problems Also useful as an engine not warmed up yet reminder Range is 0 300 F Max RPM Warns when engine exceeds maximum RPM Set according to engine manufacturer s Range of Max RPM Limit is 0 9990 recommendation Min RPM Warns when engine RPM falls below this entry Useful for Set limit based on experience troubleshooting engine problems May also be used as a warning that the engine RPM is dropping too low on the landing rollout which could result in engine stall No warning is generated when the engine RPM is zero Range is 0 9990 GRT Horizon Set Up Guide pg 6 2 RevA Setting Use Recommended Setting
36. nd the values must be increasing as you move down the table 55 MAP Use your engine operating manual to determine the manifold pressure which results in 55 power at the RPM entered on this row for a standard day at sea level 75 MAP Use your engine operating manual to determine the manifold pressure which results in 75 power at the RPM entered on this row for a standard day at sea level Note that engine manuals are often written in terms of brake horsepower bhp not percent power To convert bhp to percent power divide bhp by rated horsepower for example for a 160 rated hp engine 120 bhp is 75 percent power 120 160 75 The right two columns compensate for altitude Altitude Enter a list of altitudes Use altitudes that are roughly evenly spaced from some level above sea level 2000 ft is good up to some altitude that is above any altitude you expect to fly Only 1000 ft increments are allowed and they must be increasing as you move down the table The entry Delta HPIs how much horsepower increases for a given engine condition RPM and MAP between sea level and the altitude in the table To calculate the horsepower is determined from the performance data for a particular RPM and MAP at sea level and at a particular altitude in the table The difference is entered into the table Try to use a RPM MAP that would be typical cruise setting for your aircraft The Delta HP entry for 14000 ft in the example table was calculated l
37. ng Map Soft Key SHOW selection that allows terrain to be displayed Terrain Alarm On Off On Enables or disables a warning when terrain is with 500 feet of the aircraft s altitude and within 2 minutes Auto Declutter On Off On When enabled this function limits the number of items displayed on the map to 50 by limiting the number of small airports displayed Show Lightning Requires XM Weather No On North up Map only On all MAP pages Selects which map pages are to display lightning data Showing on North UP Only can increase update rate of the other map pages Show AIRMET Requires XM Weather No On North up Map only On all MAP pages Selects which map pages are to display IFR AIRMETS Showing on North UP Only can increase update rate of the other map pages Color airports using METARS Requires XM Weather No On North up Map only On all MAP pages Airports may be colored depending on their weather conditions VFR MVFR IFR This Selects which map pages are to display airports in weather colors Showing on North UP Only can increase update rate of the other map pages METAR Text Requires XM Weather Raw Translated Translated Controls the formal of the METAR shown for each airport Translated selection shows the METAR in plain English TAF Text Requires XM Weather Raw Translated Translated Controls the formal of the TAF shown for eac
38. nob Scroll to Display Unit Maintenance press knob Scroll to Load EFIS Software press knob and turn to start MB Ns Copy Terrain HS WS only This feature allows you to load terrain data again from the USB flash drive To copy terrain data Press any knob 1 Press NEXT knob more than once may be required 2 Press SET MENU knob 3 Scroll to Display Unit Maintenance press knob 4 Scroll to Copy Terrain Data press knob and turn to start To view the terrain data on the MAP page make sure TERRAIN is selected with the SHOW knob Weather Status To activate the weather module you must have XM Weather service established and the Horizon set to receive incoming signals GRT Horizon Set Up Guide pg 7 1 RevA To activate the weather module assuming activation has been requested from XM Press any button Press NEXT knob more than once may be required Press SET MENU knob Scroll to Display Unit Maintenance press knob Scroll to Weather Status change to activate menu Scroll to Activation Mode turn to ON within 4 hours of XM subscription activation Sr OLE Na If the activation is successful the Service Level will show the subscribed level and the Signal Status should be at least Marginal or better for good reception 7 Turn Activation Mode to OFF If left ON weather data will not show on MAP pages To find the unit serial number select the PIC Calibration Data to find Serial Number GRT Horizon Set Up Guide pg 7
39. o the wind direction relative to the aircraft s heading Speed is displayed Vector and Digital Speed Direction Same as previous except a digital value of direction is also displayed Digital value is relative to magnetic north Digital Head Cross Wind Display On Off On Controls display of head and cross wind components in the lower left portion of the PFD screen Head Tailwinds are shown with H T and cross winds are shown with L R for left right Baroset units Inches Hg millibars Inches Hg Defines the units used for setting barometric pressure in the altimeter Inches of Hg is used in the US millibars are used in many places outside the US Artificial Runways On Off On When ON an artificial view of runways at airports within 10 miles of the aircraft is depicted on the PFD Flight Path Marker On Off On The Flight Path Marker FPM is the projected flight path the aircraft will take with current flight wind conditions It shows where the aircraft will be if the present flight wind conditions continue Airspeed display size Normal Large Normal Altimeter display Size Normal Large Normal Track Heading display size Normal Large Normal Airspeed Resolution Fine Coarse Fine Fine shows graduations of 5 mph on the airspeed tape compared to 10 mph in Coarse Max indicator vertical speed 1000 2000 3000 5000 1000 Selects the maximum
40. ompt for Fuel Added Yes No No On Power up YES NO enables or disables an on screen message prompting you to enter the amount of fuel added which is used to compute fuel usage and endurance Aux 1 6 Function EIS Auxiliary Inputs are scaled and labeled appropriately via user settings on the EIS Engine Monitor This information is NOT transmitted to the Horizon EFIS and thus must be entered into the Horizon EFIS For each Auxiliary Input used on the EIS the name or label of each and whether it is Integer or Decimal data must be entered Each Aux input is shown on this setup page and each is programmed in a similar manner For example scroll to Aux 1 Function A number of preprogrammed labels are displayed None Aux Volt Bus Left Right Center Fuel Gear Box Temp Amp TIT Hyd Press Torque Flaps Aileron amp Elevator Trim etc If any of these is the correct label for the Aux 1 Input select it To make a custom label select AUX This will cause a new Setting line to appear Aux 1 Name and its Value is EIS Aux 1 Scroll to EIS Aux 1 and press either knob A new screen Aux Name Editor will appear The current value EIS Aux 1 is displayed at the top and there is a box around E indicating that first field which contains E may be edited To create a custom label edit each field in turn To edit E use the button under the appropriate column of characte
41. owable negative G loading G Meter Caution Max Sets value where G Meter displays when On with Min Max is selected G Meter Caution Min Sets value where G Meter displays when On with Min Max is selected Auto G Meter High Threshold Sets value where G Meter displays when Auto is selected Auto G Meter Low Threshold Sets value where G Meter displays when Auto is selected Data Boxes On Off This setting turns on data boxes at the bottom of the PFD page Two boxes are provided and each can display four user definable items The items can either be data distance to waypoint engine RPM etc or a labels RNG RPM etc that can be used to identify the data above or below the label If no entry is selected for these boxes they are not displayed If entries for the top two positions are not used the height of the box is reduced to half normal size Available choices for these boxes are OFF DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA Dest Waypoint ID Dest Wpt Est Time Enroute Dest Waypoint Range Dest Waypoint Bearing RPM RPM2 N1 N2 Oil Temperature Oil Pressure GRT Horizon Set Up Guide pg 3 5 Rev A DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA DATA Label Label Label Label Label Label Label Label Label Label Label Label Label Label Label Lab
42. ple 0 1 would be appropriate for MAP 100 would be appropriate for RPM 1 would be appropriate for oil pressure etc Dial 1 Units Label in Hg This selects the displayed label Dial Source above will select the name label RPM MAP Pwr Flow etc this field selects the displayed units label x100 in Hg blank Dial 1 Start 10 0 Each dial presentation is 270 degrees of a circle Using these two fields you specify what value the dial starts at and what value it ends at For example you want to have a tachometer dial and the maximum RPM is 3000 If you start the dial at 0 and end at 3000 each 90 degrees of a circle will represent 1000 RPM If you start the dial at 1200 and end at 3000 each 90 degrees of a circle will represent 600 RPM making the dial easier to read If you are concerned about clear easy to read indications in a specific operating region you may set the GRT Horizon Set Up Guide pg 9 1 RevA Setting Selection Suggested Value dial that way For example the tach dial could be set 1700 start and 2600 end making each 90 degrees represent 300 RPM This is perfectly safe since EIS and or EFIS is monitoring for Min Max limits so the dial presentation doesn t need to include Min or Max values Since this is an easy display to change you can change it depending on parameters you wish to observe or tests you are performing In early fligh
43. proach Mode WARNING Various functions of this system may be incomplete or untested Please exercise caution when using the EFIS until a software update and a user manual corresponding to the software version are provided CAUTION If any display unit is inoperable the display units will not be able to swap information The pilot must account for this down graded mode of operation and not expect data will transfer between displays CAUTION If GPS position data is lost for more than 30 seconds the EFIS Horizon issues a No GPS Position warning and automatically reverts to dead reckoning using the AHRS heading true airspeed last known winds and time This data is used to estimate changes in position which are applied to the last known GPS position to give an approximate navigation solution The accuracy of the dead reckoning function will degrade with time depending on the accuracy of this data and changes in the winds CAUTION When the ground track indicator is hollow indicating it is display limited the ground track indicated is necessarily inaccurate This means the aircraft s track over GRT Horizon Set Up Guide pg iii Rev A the ground is not as indicated and the pilot should be aware of this inaccuracy with regard to obstacle and terrain clearance GRT Horizon Set Up Guide pg iv Rev A RECORD OF REVISIONS Rev Date SW Re
44. range for the vertical bar graph display With the 1000 or 2000 fpm scale the bar graph represents vertical speed in a linear manner that is a speed of 750 fpm is represented by a bar of full scale With the 3000 or 5000 fpm scales 0 to 1000 fpm is linear GRT Horizon Set Up Guide RevA Setting Selection Suggested Value and the remainder of the scale is compressed Pitch ladder offset Like a traditional attitude indicator this allows the pitch indicator to be set for zero pitch during normal cruise A positive setting causes the pitch ladder to be displayed above the actual zero point Note that the PFD includes a flight path marker FPM that shows the aircraft s path relative to the horizon and unlike the pitch ladder the FPM shows climb or descent above or below the horizon independent of airspeed Flight level altitude 18000 This setting automatically sets the baroset to standard pressure 29 92 in Hg when at or above this preset altitude Altitude Alerting On Off On Enables disables alarms to warn of deviation from desired altitude Max Altitude Deviation 200 Altitude deviation which will trigger the above mentioned alarm Climb IAS Preset 1 40 600 May also be set from Autopilot pages Climb IAS Preset 2 40 600 Climb VS Preset 1 0 9999 Climb VS Preset 2 0 9999 Descent IAS Preset 1 40 600 Descent IAS Preset 2 40 600 Descent VS P
45. ration The Settings page Primary Flight Display is used to calibrate the Angle of Attack Instructions are in the GRT EFIS User Guide GRT Horizon Set Up Guide pg 8 1 RevA
46. re Use N A ILS Type Off Needles Scales Scales OFF Glideslope and Localizer deviation is not shown at any time Needles Needles and scales are overlaid on the center of the PFD Format is similar to traditional navigation heads Scales are depicted as dots of deviation Scales will be displayed when an ILS is tuned Scales replace the attitude reference bars or nose indicator and thus function both as scale for localizer deviation and as reference for attitude display Needles will be displayed only when localizer or glideslope is valid and ILS is active lf VOR Deviation on Loc Display is enabled and VOR data is valid only the localizer scale and needle will be displayed no glideslope scale or needle will be displayed Scales Deviation scales are overlaid on the bottom center of the screen localizer and right side glideslope Scales are displayed when ILS is tuned Deviation indicators will display when localizer or glideslope is valid and ILS is active When ILS is active but localizer or glideslope is invalid deviation indicator is not displayed If ILS data is provided to the Horizon EFIS via serial input and this input is not providing data to the EFIS or is reporting the nav receiver failed a line will be drawn through the scales to indicate the failure Show VOR CDI on Localizer Yes No Yes Yes displays VOR deviation data on the PFD in place of localizer dev
47. re wired to the EFIS the EFIS will use in order of priority 1 ARINC 429 serial data 2 RS 232 serial data 3 Analog data Adjusting Autopilot Response Gain adjustments are provided to allow the user to optimize the commands provided to the autopilot If ARINC Module Connected is YES the Gain Adjustments apply to GPSS steering sent to the autopilot via ARINC If Autopilot Serial Output is GPS Coupler the Gain Adjustments apply to steering commands sent to the autopilot via the GPS Coupler If neither ARINC or GPS Coupler are selected steering commands are sent to the autopilot via RS232 Serial link and no Gain Adjustments are required the autopilot handling all functions To access Gain Adjustments 1 Press a button Press NEXT button more than once may be required Press SET MENU button Select General Setup press knob Scroll to Autopilot Serial Output Highlight by pressing knob setting will have a white box around it Change setting to GPS Coupler Press knob to CHANGE Con OTA ON The adjustment of these gains allows the user to account for variations in the response of the autopilot airplane and pilot s preferences for the aggressiveness of autopilot tracking GRT Horizon Set Up Guide pg 2 9 RevA The following guidelines are provided to assist the pilot with adjustments to these gains Start with all gains at 1 0 When adjusting gain change by factor of 2 change to 5 from 1 0 to decrease gain or to
48. reset 1 0 9999 Descent VS Preset 2 0 9999 Upper Left Corner Box Ground speed True Airspeed Ground speed Select the data to be displayed in the upper left corner of the PFD Groundspeed is recommended If two display units are installed Groundspeed is displayed on the map page of the MED so display TAS here Data Boxes On Off This setting turns on data boxes at the bottom of the PFD page Two boxes are provided and each can display four user definable items The items can either be data distance to waypoint engine RPM etc or a labels RNG RPM etc that can be used to identify the data above or below the label If no entry is selected for these boxes they are not displayed See text following Left Box Upper Left Entry Data Dest Waypoint ID Left Box Upper Right Entry Data Dest Waypoint Est Time Enroute Left Box Lower Left Entry Data Dest Waypoint Range Left Box Lower Right Entry Data Dest Waypoint Bearing Right Box Upper Left Entry Data RPM Right Box Upper Right Entry Data MAP Right Box Lower Left Entry Label RPM Right Box Lower Right Entry Label MAP Approach Glideslope Angle 3 0 Defines glideslope angle used for the synthetic approach when no ILS GRT Horizon Set Up Guide Rev A Setting Selection Suggested Value glideslope is associated with the selected runway Approach Height Intercept Reserved for Futu
49. rience engine troubleshooting problems Also useful as an engine not warmed up yet reminder Range is 0 700 deg F Other Limits Min EFIS Voltage Bus 1 Max EFIS Voltage Bus 1 Min EFIS Voltage Bus 2 Max EFIS Voltage Bus 2 Min EFIS Voltage Bus 3 Max EFIS Voltage Bus 3 As discussed in the GRT Horizon EFIS Install Manual there may be up to three independent sources of power for the EFIS These settings allow monitoring of each power source Notice that completion of the labels on the Engine Information System Setup page has transferred the names for the EIS Auxiliary inputs to this page Engine Performance requires EIS Manifold Pressure Option The GRT Horizon EFIS uses the information in this table to calculate the percent power being produced by your engine based on RPM manifold pressure altitude and outside air temperature The table is completed using performance data from the engine manufacturer or the aircraft Pilot Operating Handbook POH If power tables are not available from the engine manufacturer 1 Kitplanes magazine March 2007 issue has an article which may be useful or 2 power tables may be found on the internet Be sure to use with caution The left three columns are used to calculate power based on RPM and MAP GRT Horizon Set Up Guide pg 6 5 RevA Rated Horsepower Enter the maximum sea level rated horsepower of your engine RPM To be valid at least two RPM entries must be defined a
50. rs to select the desired character Then press the right knob to move to the next field and edit it Repeat for all fields For example to change EIS Aux 1 to MAP with the box around E press the second button to select M GRT Horizon Set Up Guide RevA Setting Selection Suggested Value Aux 1 Function Note that over the right knob there is a list and NEXT has a white outline box Press the knob and the box at the top moves to I Press the first button to select A Repeat to select P in the third position Note that there is a blank in the fifth column Insert blanks to erase Aux be Select CASE over the right knob to change to lower case characters if desired When complete select SAVE which will return to Setting Value screen The next line on the Setting Value screen is now MAP Integer Decimal Select the same setting as set in EIS Repeat for all Auxiliary Inputs All Auxiliary inputs that are not in use should be set to NONE MAP Aux 1 6 Integer Decimal MAP Integer Decimal Each of the Aux inputs must be defined as Integer or Decimal These settings should correspond to the settings in EIS Decimal Aux 1 6 Graph Min Max Level These inputs will be displayed as vertical bar graphs These settings define the parameter values for the bottom and top of the bar graphs MAP Graph M
51. t up page allows the user to configure the Moving Map to suit individual preferences Detailed information on each choice follows this table which shows suggested values Setting Selection Suggested Value Up Reference Heading Track Track Heading Selects whether the yaw axis reference for the PFD screen is heading or ground track Heading is the recommended setting as this allows the EFIS to provide an artificial view that matches the view out the window This makes the position of runways obstacles and other traffic appear on the screen in the same relative position that they appear out the window and is especially useful when strong cross winds exist as the difference between ground track and heading can be significant Airport Symbol Size Small Large Small Label Font Size Small Large Small HSI Plane Symbol Conventional Canard To match your aircraft Connect Bearing Pointers Yes No No The bearing pointer s on the HSI page may be shown with the tails connected to the pointers heads or with the tail and pointer head as separate pieces YES shows bearing pointer as it is typically shown on an RMI with tail and pointer head connected NO shows the bearing pointer with the tail and pointer head not connected and provides some level of declutter that may be preferred Max map range Off 1 2 5 10 15 20 35 50 100 150 300 500 1000 Max map r
52. t you might want to monitor Oil Temp closely so set up one of the dials to do that Dial 1 End 32 0 See above Dial 1 Label Increment 5 0 All dials have major long and minor short graduations or tick marks Dial Tick Increment defines what values have graduations or tick marks and Dial Label Increment defines which tick marks have labels making them major tick marks For example MAP dial might have Dial Tick Increment set to 1 and Dial Label Increment set to 5 resulting in lines every 1 inHg and labels and longer lines every 5 Another example a tach dial might have Dial Tick Increment set to 100 and Dial Label Increment set to 500 resulting in lines every 100 RPM and labels and longer lines every 500 Dial 1 Tick Increment 1 0 See above Dial 1 Green Start 0 These allow the setting of the desired start and end points of the colored arcs Dial 1 Green End 0 Dial 1 Yellow Start 0 Dial 1 Yellow End 0 Dial 1 Red Start 0 Dial 1 Red End 0 Dial 1 Bug 1 Position 0 These allow the setting of user defined bugs to indentify pertinent values For example by setting the same color bugs on MAP and RPM dials one can easily set a particular power setting Dial 1 Bug 2 Position 0 Dial 1 Bug 3 Position 0 Dial 1 Bug 4 Position 0 Dial 1 Bug 5 Position 0 Dial 1 Bug 6 Position 0 Dial 2 Source RPM Dial 2 Scale 100 Dia
53. ts Range is 0 35 0 volts increments of 0 1 volts Min Volt Minimum Voltage Limit Allows for detection of loss of Set limit to about 12 8 volts to charging get immediate alerting of loss of charging although this will Range is 0 35 0 volts increments of 0 1 volts cause low voltage alarm whenever instrument is on while engine is not running Set to 12 4 volts or less to avoid alarm when engine not running but still gives alarm shortly after battery discharging has begun Max Carb Carb temp warning is generated when the carb temp falls 40 60 deg F between the Max Carb and Min Carb Limit Range is 30 to 120 deg F Min Carb See Max Carb 0 20 deg F Range is 30 to 120 deg F Max EGT Maximum EGT Not all engines have published limits Set limit according to engine nor do all engines require a maximum EGT limit This alarm can be useful for troubleshooting engine problems also Range is 0 1900 deg F manufacturer recommendation or based on experience GRT Horizon Set Up Guide pg 6 3 Rev A Setting Use Recommended Setting Min EGT Minimum EGT This alarm is active only when the 800 1200 deg F depending on engine RPM is above the entry for EGT RPM This alarm sensitivity desired If false is useful to detecting the loss of a cylinder or for alarms are consistently troubleshooting engine problems generated reduce the limit to less than 800 deg F or set to 0 Rang
54. v Change s A Feb 2009 32a Initial Release LIST OF EFFECTIVE PAGES Page Rev Page Rev Page Rev Page Rev Page Rev Page Rev Page Rev Sa A Im A Im A iv A v A vi A A 1 2 A A 2 2 A 2 3 A 2 4 A 25 A 2 6 A 2 7 A 2 8 A 2 9 A 2 10 A 2 11 A A 3 2 A 3 3 A 3 4 A 3 5 A 3 6 A 3 7 A A A Z A A DZ A 5 3 A 5 4 A 5 5 A 5 6 A 5 7 A 5 8 A A 6 2 A 6 3 A 6 4 A 6 5 A 6 6 A 6 7 A A 7 2 A A GRT Horizon Set Up Guide pg v Rev A Contents Chapter INTRODUCTION asa aii ASA Me dere 1 1 Chapter 2 GENERAL SET UR ee 2 1 Serial POM SCHINGS se nA ENE A RA ASA NA A A ei 2 9 Adjusting AULOPIIGL RESPONSES EE 2 9 Chapter 3 PRIMARY FLIGHT DISPLAY 3 5 pna dne Sex nd ind ound Ne bide ened vejah 3 1 Chapter 4 MOVING MAP SETUP 4 1 Chapter 5 GRAPHICAL ENGINE DISPLAY SE UP sssssssssssrsrrrrrrrrrrrrrrrrrrrrrrrrrrrnnns 5 1 Chapter 6 ENGINE LIMITS eebe EE EE 6 1 Chapter 7 DISPLAY UNIT MAINTENANCE nn 7 1 Load ERIS SoftWare EE Oo 7 1 Chapter 8 AHRS MAINTENANCE i200 ss ccarccterare sect svesaeerateltacarsteteratelstesteeteeare aveiats 8 1 AARS Software EE 8 1 Load AHRS EE 8 1 True Airspeed Correction see contd cntsenereucacwts zahoda bel dated zad abl elad znebila 8 1 ALME Cal Dra e n EE 8 1 Angle of Attack Calibration eteEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEN 8 1 GRT Horizon Set Up Guide pg vi R
55. x the more resolution and ability to observe change EGT Time History Temp Max 1600 Min Max EIS Volts EFIS Volts 1 3 Aux 1 6 EIS Volt Graph Min 10 The GRT Horizon EFIS displays a number of parameters as vertical bar graphs There are a number of parameters for which the Min and Max display values are user selectable Note that these are display values not Min Max limits Usually the display value range will be greater that limit range For example you might display voltage from 10 to 16 volts but the Min Max limits might be set at 12 8 and 15 6 volts EIS Volt Graph Max 20 EFIS Volt 1 Graph Min 0 EFIS Volt 1 Graph Max EFIS Volt 2 Graph Min EFIS Volt 2 Graph Max EFIS Volt 3 Graph Min EFIS Volt 3 Graph Max Fuel Flow MAX FUEL 0 0 0 0 0 0 This is the value EFIS will use when you reset the fuel computer after refueling You may also leave this number blank and input the fuel quantity from EIS The EIS will override this entry Flow Rate Bar Graph Max 9 1 This entry sets the maximum GRT Horizon Set Up Guide pg 5 4 RevA Setting Selection Suggested Value fuel flow rate that will be displayed on the bar graph Higher flow rates will indicate the same as this flow rate top of bar graph Measured flow rate is shown adjacent to the bar graph in numeric form This parameter sets display value not Max limit Pr
56. y reguire a larger setting to prevent false alarms This limit also sets the Horizon red line on the vertical bar due to normal EGT fluctuation graph caused by turbulence or other small power load fluctuations Range is 0 1900 deg F Max EGT Maximum Decrease in EGT from the Lean Point See Set limit based on experience Dec also Max EGT Inc description You may find that this limit is significantly different from the Range is 0 1900 deg F Max EGT Inc See also Max EGT Inc description Max Crate Maximum Cooling Rate for CHT The alarm is provided Set limit based on engine in degrees minute and corresponds to the maximum rate manufacturer s of decrease in CHT No limit applies to the maximum rate recommendation If no limit is of increase All cylinders are checked for this limit Range is 0 255 deg F minute provided establish a limit based on experience GRT Horizon Set Up Guide pg 6 4 Rev A Setting Use Recommended Setting Max CHT Maximum Cylinder Head Temperature Often engines will Set according to engine normally operate significantly lower than the engine manufacturer s manufacturer s limit Consider setting this limit lower than recommendation the maximum to get early warning of abnormal CHTs This limit also sets the Horizontal red line on the vertical bar graph Range is 0 700 deg F Min CHT Minimum Cylinder Head Temperature Intended for Set limit based on expe
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