Microair Avionics Pty Ltd
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1. Microair Avionics Microair Avionics Pty Ltd Airport Drive Bundaberg Queensland 4670 Australia Tel 61741 553048 Fax 61 741553049 e mail support microair com au MICROAIR About This Document Microair Avionics has developed a series of transponders for use with OEM applications and for commercial sale by Microair Avionics The manual explains the basic functions and elaborates on the more sophisticated features such as altitude display and alerts Revision 2 9 of this manual is to be supplied and used in conjunction with T2000SFL 01 6 transponders with software version 1 6 4 Microair reserves the right to amend this manual as required to reflect any enhancements or upgrades to the T2000 Transponder series A Microair Avionics Pty Ltd Statement The T2000SFL owner accepts all responsibility for obtaining the proper licensing before using the transponder The coverage you can expect from the T2000SFL is limited to line of sight Low altitude or aircraft antenna shielding by the aircraft itself may result in a reduced range Range can be improved by climbing to a higher altitude It may be possible to minimize antenna shielding by locating the antenna where dead spots are only noticed during abnormal flight attitudes The T2000SFL should be turned off before starting or shutting down aircraft engine s MICROAIR OO A T2000SFL ON CODE T STNBY2. ALT DISPLAY MICROAIR DOCUMENTS DOCUMENT REVISION STATUS T2000 DOC 001 T2000 user manual V29 Page 2 of 28 89 April 2005 TABLE OF CONTENTS LO INTRODUC TION coctade cans taceaeseues cues ss sccssauesetensbssecesebadecanskasecsneuasecasevacoaes austen 4 1 1 TZ OOO 5 1 2 TURNING ON 5 1 3 TURNING 5 1 4 DISPLAY LAYOUT 6 1 9 SRECTAL CODES ureaksi a aes 6 2 0 JDEISPLAYN FUNCTION uiron NEE O 7 30 CON TROL FUNC LIONS 8 3 1 SELECTMODE KNOB ee a ee a ee ee 8 3 2 aes 9 3 3 E OO OE eee ne EO EE 9 3 4 MODE KE iatea a a a re 10 3 4 1 QNH BARO BAROMETRIC PRESSURE sssssssssssssssssssseussssseseuassssesesnasssssesnsnssssesnassesesasssseenuansseeseasse 11 3 4 2 ASS SIGNED IDE 12 3 4 3 BORER ALT oriee E AAAA aia 13 3 4 4 A TO OIE AN 14 3 4 5 15 3 4 6 BACT EIT a TC 15 3 4 7 16 3 9 ENTER KEY ner Qe n a E 17 3 6 TOGGEE RE Vis oi ee E ee een eee 17 VER 2 HOT 18 3 8 O 18 4 0 INTEIALISATION AND SETUP resien Ena EN 19 4 1 PROGRAM MODE ace 19 411 20 412
3. MODE 3A Transmit ON Only ID code sent Transmit ON ID Code and altitude sent Mode A C annunciater Standby Code Never Transmitted With the SELECT MODE knob in the ALT DISPLAY position the active code is displayed on the top line and the encoder altitude is displayed on the bottom line If the latitude units are set to feet the altitude is followed by the F character If the altitude units are in metres the altitude is followed by the M character If no QNH or BARO value has been entered default 1013mB or 29 92HG the raw encoder output is displayed as pressure altitude and the characters PA appear at the lower left If a QNH BARO value has been set the Q character appears at the lower left PA Pressure Altitude as sent from altitude encoder Feet Altitude units in Feet Displayed Altitude Altitude generated by Encoder and may be adjusted for barometric pressure QNH Q Altitude is adjusted for QNH or barometric pressure from the mode menu N If the Encoder is not powered or not fitted the message NO ALT will appear on the display The T2000 will transmit the encoder altitude pressure altitude only in accordance with normal mode C operation The adjusted QNH Baro altitude is never transmitted T2000 user manual V29 Page 7 of 28 8 April 2005 3 0 CONTROL FUNCTIONS This section describes the transponder control keys and their functions Many of th
4. altitude where the QNH BARO value has been left at the default value 1013mB or 29 92HG in the MODE menu 5350 FEET Units in feet are indicated by the F character at the right hand end of the lower display line All altitude data will be displayed in feet 1250 METERS Units in meters are indicated by the M character at the right hand end of the lower display line All altitude data will be displayed in meters T2000 user manual V29 Page 14 of 28 89 April 2005 3 4 5 VOLTAGE The VOLTAGE function will display the aircraft s supply voltage and by rotating the CODE SELECT knob display the over and under voltage alert levels Press MODE key 5 times To select Voltage option The supply voltage is display on the lower line Press ENTER key No operation No default value Press Toggle key Display returns to current operational display When the transponder is operating in normal display operation mode the over and under input voltage alert message 15 displayed on the lower line Aircraft Voltage This parameter is set in PROGRAM MODE as the nominal aircraft voltage The T2000 can accept input voltages from 10 33 volts but the voltage monitoring has to be told what the nominal supply voltage is Over Voltage Alert During normal operation the bottom line may present the over voltage alert The alert message will remain until the voltage returns below the O V alert limit or the ENTER key is pressed If the ove
5. to a discrete value normally provided by ATC the encoder pressure altitude displayed will be adjusted for that QNH Baro value The barometric units are set in the BARO option of the PROGRAM MODE When MB is selected the QNH screen 15 displayed and when 15 selected the Baro screen is displayed Press MODE key once To select QNH Baro option Rotate CODE SELECT knob Scroll lower line to desired pressure Press ENTER key To set default value The default is 1013 mb or 29 92 HG Press toggle key Display returns to current operational display IMPORTANT NOTE The T2000 will only transmit the encoder pressure altitude The adjusted QNH Baro altitude is NEVER transmitted even when it is selected for display T2000 user manual V29 Page 11 of 28 8 April 2005 3 4 2 ASSIGNED altitude The user can input an assigned altitude given by ATC When used with the altitude buffer value an audio alert and display indicator advises when the aircraft has climbed or descended from the assigned altitude When the Altitude option of the mode menu is set to Feet the 45 5554 Assigned altitude is adjusted in feet When the Altitude option of the mode menu is set to Meters the Assigned altitude is adjusted in Meters Press MODE key 2 times To select Assigned option Press CODE SELECT knob Increment displayed value in units of 500 feet 100m FL50 Rotate CODE SELECT knob Increment displayed value in units of 100 feet 1
6. 0m FL10 Press ENTER key To set default value The default is 0 Press toggle key To save and display returns to current operational display When entering an altitude Press the ENTER key to return the ASSIGNED ALTITUDE to the default value of 0 Press the Toggle key to save the height value and return to the operational display Press the CODE SELECT knob to increase the height value in units of SOOFT 100M FLSO Rotate the CODE SELECT knob to increase or decrease the height value in units of LOOFT 10M FL10 If Assigned is set to 0 the altitude alert function is disabled The assigned altitude function is only active when the SELECTMODE knob is set to DISP ALT T2000 user manual V29 Page 12 of 28 89 April 2005 3 4 3 BUFFER ALT The user can input a buffer altitude above and below the assigned altitude to define a height band in which to fly When the aircraft exceeds the upper or lower limit an indicator alert message will be displayed The alert message advises the pilot of how far above or below the assigned altitude the aircraft is If the Alert Tone function is ON an audio tone is heard as well If the ALTITUDE option in the PROGRAM MODE is set to FEET the Buffer Alt increments are in feet If ALTITUDE is set to METRES the Buffer Alt increments are in meters To select Buffer Alt option Increment displayed value in units of 500 feet 100m Increment displayed value in units of 100 feet 10m Displa
7. 20 413 20 4 1 4 Ea e A E 21 4 1 5 21 4 1 6 21 4 1 7 BARO 22 4 1 8 2 4 1 9 PROG we ee 22 5 0 FREQUENTLY ASKED QUESTIONS ccccccccccssssscccccccscssccceeee 23 60 LIMITED WARRANTY sctvcsasvessccssuasesonscssancssvadeconsestenesevedecessassesasevesacessasees 27 T2000 user manual V29 Page 3 of 28 89 April 2005 1 0 INTRODUCTION The Microair T2000 Transponder is designed to operate in the environment of a Radar Beacon System This system interrogates the transponder which in turn replies with an identity code and altitude information The radar system consists of a network of ground stations which sweep the horizon like a conventional radar When the transponder in the aircraft detects the radar sweep is illuminated the transponder replies with a burst transmission giving its identity code and altitude The aircrafts transponder m receives the ground station signal asking it to transmit The li transponder replies with the code and if operating in mode the encoder altitude x Ground stations sweep the sky with a signal which asks the transponder in the aircraft to transmit its code and altitude The system presents the replies from all transponders in range of the ground stations on a single display screen This allows ATC to easily locate identify and see the altitude of all traffic in the
8. 5 4 1 7 BARO This item sets the barometric pressure units used by the T2000 The user can select from MB millibars or HG inches Mercury We recommend that the user selects the same units as those used in the sub scale of the aircraft s altimeter Press ENTER key Until BARO message appears Rotate CODE SELECT knob Set BARO MB HG The default is MB Press ENTER key The message SAVED appears briefly on the display The display moves to Rem Stby menu item 41 8 REM STBY For aircraft using the remote standby line pin 15 the operation of the switch can be changed by the T2000 software The remote switch holds the T2000 in standby S regardless of what position the SELECTMODE knob is in If the remote switch releases the T2000 from standby by closing the operation is NORM normal If the remote switch releases the T2000 from standby by opening the operation is REV reverse Press ENTER key Until Rem Stby message appears Rotate CODE SELECT knob Set Rem Stby Norm Rev_ The default is Norm Press ENTER key The message SAVED appears briefly on the display The display moves to the SEC CODE menu item or if the SEC CODE has been previously set the display moves to EXIT PROGRAM menu item IMPORTANT NOTE If a remote switch is fitted and it becomes faulty the operation of the switch can be changed with this feature If the T2000 will not change from standby go to PROGRAM MODE and change the Rem Stdby Thi
9. 8 of 28 8 April 2005 4 0 INITIALISATION AND SETUP The T2000 will operate as a conventional transponder when first installed and powered up You will be able to turn the transponder ON OFF adjust the standby code and transfer the standby and active codes The T2000 has many other features which can be programmed Microair recommends that the full setup procedure be carried out prior to first flight This section provides detailed procedures on the various parameters and functions that can be setup from the front panel The following procedures provide step by step instructions to program the transponder options Program Mode VOLT MON A C VOLT O V Set U V Set E C POW VFR CODE BARO REM STBY EXIT PROGRAM 4 1 PROGRAM MODE To start the T2000 in PROGRAM MODE hold down the MODE key and then press the ON key Keep the MODE key held down until start up self test messsages have been displayed Each item can be adjusted to the desired value or option by scrolling T2000SFL the CODE ADJUST knob The selected value or option can be saved by pressing the ENTER key PROGRAM MODE then moves to the next menu item T2000 user manual V29 Page 19 of 28 8 April 2005 4 1 1 VOLT MON The T2000 can monitor aircraft voltage and alert the pilot to the aircraft electrical system over or under voltage conditions This is the aircraft supply voltage not just the transponder voltage and is very useful for trouble
10. LECT knob Scroll to set the required U V Set value Press ENTER key The message SAVED appears briefly on the display The display moves to E C POW menu item 41 5 POW This item controls the output volts for an external encoder if required The power supplied for the encoder can be turned OFF when the transponder SELECTMODE knob is in the ON position mode A Power is only supplied when operating in the ALT position mode C This function is provided to save power when operating solely from a battery supply Press ENTER key Until E C POW message appears Rotate CODE SELECT knob Set E C POW The default is Press ENTER key The message SAVED appears briefly on the display The display moves to VFR CODE menu item ALT Encoder power is on in ALT and DISP ALT modes only ALL Encoder power is on in all modes IMPORTANT NOTE T Some encoders can take up to 10 minutes to warm up NO ALT is displayed 2 until altitude data is received from the encoder Shorting the encoder power supply pins at the rear of the T2000 will result in internal damage and void the warranty refer to Installation Manual 4 1 6 VFR CODE This item sets the default VFR code which can be hot key accessed from the V VFR key For most countries the default general aviation code is 1200 We recommend that this code be used The display moves to BARO menu item T2000 user manual V29 Page 21 of 28 8 April 200
11. ODE The MODE key must be held down until the start up self test messages have been displayed e If the transponder is ON and in normal operation press the MODE key to access the MODE MENU The first item of the MODE MENU is displayed Step through the MODE MENU by pressing the MODE key After the last menu item the T2000 returns to the operational display currently in use The MODE MENU is designed to allow the operator fast easy access to functions and parameters which may need to be adjusted in flight MODE MENU OAT Baro pe USE MODE KEY TO STEP THROUGH MENU OPTIONS Buffer Alt Altitude OR Voltage Backlits USE THE Toggle KEY TO RETURN TO Alert Tone THE OPERATIONAL DISPLAY T2000 user manual V29 Page 10 of 28 8 April 2005 3 41 or BARO Barometric Pressure The altitude encoder outputs a pressure altitude fixed at an above mean sea level AMSL pressure of 1013mb or 29 92Hg The aircraft s altimeter however is normally adjusted for actual surface pressure before take off This means the encoder altitude may not be the same as the altimeter reading The QNH Baro can be entered here to allow the T2000 to compensate the displayed altitude for surface pressure and hence read the same as the aircraft s altimeter The default QNH is 1013mb or Baro is 29 92HG If the QNH Baro is set to 1013mb or 29 92HG the altitude displayed will default to the unadjusted pressure altitude direct from the encoder If the QNH Baro is set
12. RY OR OTHERWISE THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS WHICH MAY VARY FROM STATE TO STATE AND COUNTRY TO COUNTRY IN NO EVENT SHALL MICROAIR AVIONICS PTY LTD BE LIABLE FOR ANY INCIDENTAL SPECIAL INDIRECT OR CONSEQUENTIAL DAMAGES WHETHER RESULTING FROM THE USE MISUSE OR INABILITY TO USE THIS PRODUCT OR FROM DEFECTS IN THE PRODUCT To obtain warranty service CALL the Microair Avionics Support line in Australia Phone 61 7 41 553048 Fax 61 7 41 553049 Email support microair com au Contact Microair Avionics for instruction on the return of product for service or repair Please ensure that you are able to supply the date of purchase product type reference serial number method of return and date of return All product returning to Microair Avionics should be marked clearly PRODUCT RETURNING TO COUNTRY OF ORIGIN FOR WARRANTY SERVICE REPAIR AND WILL BE RE EXPORTED Address to either Microair Avionics Pty Ltd Microair Avionics Pty Ltd Box 5532 Airport Drive Bundaberg West Bundaberg West Queensland 4670 Queensland 4670 Australia Australia Microair may at it discretion refer product returns for repair or service to a service facility closest to you Microair Avionics Pty Ltd reserves the right to repair or replace the unit or software or offer a full refund of the purchase price at its sole discretion SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY T2000 user
13. e control keys have more than one function and some keys access multi option menus which can be scrolled 3 1 SELECT MODE KNOB The SELECT MODE knob allows the user to switch the transponder PMF P SALT CODE SELECT between the 4 operating modes ALT DISPLAY Select Mode Knob STANDBY In standby the transponder is powered up but will not transmit On the active display line the letter X appears on the left hand side Will reply to Mode A interrogations Mode C blind encoder is normally powered up in this mode but can be powered down if encoder power option is set OFF refer E C POW in Initialisation and Setup section On the active display line the letter A appears on the left hand side Will reply to Mode A and C interrogations with the mode C encoder information In the absence of a valid encoder input only the C framing pulse will be sent On the active display line the letter C appears on the left hand side ALT DISPLAY The standby code is replaced with the encoder altitude If the pressure has been set via the QNH Baro option of MODE MENU the displayed altitude will be adjusted for barometric air pressure Altitude will be displayed in units set in ALTITUDE option of MODE MENU The DISPLAY ALT only displays altitude if a valid encoder input is being received When climbing above the transition level layer the user must reset the transponder at the same time as the aircraft s altimeter to 1013mb or 29 92HG On t
14. e default is ON Press ENTER key No operation No default value Press Toggle key Display returns to current operational display h IMPORTANT NOTE 2 Pressing the MODE key again returns the display to the operational screen The user can press the toggle key at any point in the MODE menu to return to the operational screen 1 y T2000 user manual V29 Page 16 of 28 8 April 2005 3 5 ENTER KEY The ENTER key is a confirmation key used to confirm information the user has inputted After pressing the ENTER key the display will typically give the message SAVED for a short period The ENTER key is also used to quick set a parameter to a default value MICROAIR Enter Key D T2000SFL 3 6 TOGGLE KEY This key acts as a toggle switch exchanging the active and standby codes Toggle Key When the transponder is operating in DISPLAY ALT the bottom line displays the encoder altitude instead of the standby code The standby code is stored in memory To toggle the active and standby codes in this mode push the toggle key once to display the standby code on the bottom line The standby code is displayed for 10 seconds Push the toggle key again to exchange the active and standby codes Once the codes have been exchanged the display will revert back after 10 seconds to displaying the altitude on the bottom line In all modes of operation only the active code is transmitted The toggle key is also used to r
15. eturn to the operational screen from the MODE and PROGRAM MODE menus T2000 user manual V29 Page 17 of 28 8 April 2005 3 7 VER HOT KEY To bring the stored VFR code to the standby line press the ENTER key then the VER key The VFR key will default the standby code immediately to the stored VFR code Typically this code will be 1200 for a General Aviation aircraft The VFR key calls the value set in the VFR option of the PROGRAM MODE menu To transfer the VFR code to the active position press the toggle key If no code is entered after 10 seconds idle the standby position will revert back to the original VER code To make the VFR code the VER Key active code press the toggle key to bring VFR to the top line Press VFR key to bring the stored VFR code to the standby line In this case VFR 1200 3 8 ID KEY To initiate the Ident function press the ENTER key then the ID key The ID key Ident when pressed adds additional code information A 9 to the transmission for ATC The code will flash on the ATC display as means of uniquely identifying the aircraft s code from any other The T2000 has the option of a remote ID switch pin 16 T2000SFL The external switch should be a momentary ON type The switch or ID key only need to be pressed briefly to activate the ident function Ident Key I character replaces the R while the IDENT function is in operation T2000 user manual V29 Page 1
16. for this period One way to overcome this is to have the encoder power on selected to ALL in the options setup This means that as soon as the unit is turned on the encoder will be running For power conservation Gliders etc we recommend power on mode C only Q I have turned the SELECTMODE knob to ALT to select mode C but when I am taxiing an X standby appears instead of C What is going on A The unit has probably had the external standby switch wired to an air switch When the aircraft lands and slows down the airflow over the switch is unable to hold back the spring operation of the air switch The T2000 will switch from the operating mode from the SELECTMODE knob to standby and the X appears on the display When the aircraft takes off again the airflow increases and operates the external standby switch and the T2000 reverts back to the SELECTMODE setting The external standby can be wired as a stick mounted switch Be aware of this switch when flying as the T2000 will operate outside standby until the switch is operated Check the Rem Stdby function in the PROGRAM MODE menu to ensure the switch is operating the correct way T2000 user manual V29 Page 23 of 28 8 April 2005 Q I have noticed that sometimes when I switch on the Avionics Master the T2000 turns on by itself without pressing the ON key Why A The T2000 s ON key is software controlled The T2000 will remember if it was on or off at the time the avion
17. he active display line the letter C appears on the left hand side Examples of encoder altitude Examples of pressure adjusted encoder altitude T2000 user manual V29 Page 8 of 28 8 April 2005 3 2 CODE SELECT KNOB The CODE SELECT knob can be rotated clockwise to scroll upwards and counter clockwise to scroll downwards Each digit of the code 15 adjusted separately The adjust function starts with the left hand digit and is moved across to the next digit by pushing the CODE SELECT knob inwards After 10 seconds of inactivity the cursor will revert to the left hand digit When operating in the Display Alt mode the actual Gillham 4 digit altitude code can be displayed by pressing and holding the code select knob in 3 3 ON KEY The T2000SFL is turned on by pressing the ON key The T2000SFL will first display the product name then the serial number of the unit as a security protection ON CODE SELECT ALT DISPLAY STNBY Code Select Knob MICROAIR T2000SFL On Key The T2000 then performs a quick self test before moving on to the operational screen in whatever mode the select mode knob 18 set to T2000 user manual V29 Page 9 of 28 8 April 2005 3 4 MODE KEY The MODE key can be used to access two separate menus MICROAIR Mode Key T2000SFL e If the transponder is turned on by holding down the MODE key and pressing the ON key the T2000 will start in PROGRAM M
18. hould only be carried out by Microair Avionics or a certified avionics service centre which holds the T2000SFL Service Manual Refer to the Microair Avionics website for details of a service centre near you or for instruction on how to return your transponder to Microair Avionics Q Occasionally the message NO COMM will appear on the display particularly when I turn the transponder on What does this message mean A No COMM is a loss of communications between microprocessors inside the transponder This can occur if the one of the microprocessors begins a task before the other is ready to respond This can happen if the transponder is turned on with the selectmode knob in the ON ALT or ALT DISPLAY positions It is possible that the transponder may be interrogated and asked to respond before the start up sequence 15 complete and hence cause a conflict The transponder will immediately stop all operations to ensure that false transmission 15 not possible and will reset in 4 8 seconds Q I often pass through class E airspace but I do not want to stray into the class C airspace above Can I use the altitude alert function to warn me if I go above a certain level A Yes You can use the altitude alert function in the following way to give you a too HI alert at a given altitude An example of airspace low limit might be 4500 feet To remain clear of this airspace you must remain below 4500 feet Go to the mode menu and select altitude Set the al
19. ics master was lasted switched off When the power is turned on again the T2000 will revert to its last operational condition and turn on The T2000 can be turned ON OFF via the avionics master or the ON key either method is OK Q Whilst flying outside normal radar coverage I have noticed that the reply symbol still flashes from time to time what causes this A Other aircraft fitted with TCAS systems can still interrogate transponder equipped aircraft like yours This then lets them know where you are and your contact information is displayed on their TCAS screens The TCAS aircraft could be 100 miles away and at altitudes 30 000ft Q I have tried to power up my T2000 on the bench from a dc power supply but it won t start up properly What is going on A The T2000 has a number of large capacitors fitted and at the moment of turn on they will try to charge up When this happens an in rush of current occurs If the power supply cannot cope with this in rush the supply voltage will dip to the point where the T2000 will detect a power failure and reboot The answer is to connect a battery across the power supply to cushion the in rush and allow the T2000 to get past this point Prolonged operation with the T2000 in reboot may result in NO COMM error on the display If this message appears the communications between the microprocessor has been disturbed and will require factory service Are there any pr
20. ir airspace A transponder s reply is termed a squawk Hence the current code being used by the transponder is termed squawk code At times of high airspace activity ATC may wish to uniquely identify an individual aircraft with a request to squawk ident The pilot uses the ident control on the transponder to make the transponder s sguawk on the ATC display flash for a short period The ident control should not be used unless ATC request it ATC will issue a code to an aircraft requesting entry into its controlled airspace This code is normally unique for each aircraft each time that aircraft passes through the airspace The code is 4 digits long and each digit can range from 0 7 T2000 user manual V29 Page 4 of 28 89 April 2005 1 1 T2000 CONTROLS All of the T2000 s functions and features can be accessed from the controls on the front face MICROAIR 8 So T2000SFL ON CODE SELECT STNBY s ALT ALT DISPLAY 1 6 All of the keys are covered in a soft rubberized plastic which is backlight with the display When the key is pressed a small click can be discerned The selected function will operate on the release of the key 1 2 TURNING ON The T2000 is turned on by pressing the ON key The T2000 will go MICROAIR through a start up routine displaying self test messages including the display of transponder s serial number a backlight test and O ending with the operational display l
21. manual V29 Page 27 of 28 8 April 2005 Supplied by
22. oblems with altitude encoders to be aware of The T2000 is designed to work with ANY TSO C88a approved encoder The T2000 has the provision to supply the aircraft power to the encoder There a several things to watch for here Firstly the voltage received by the T2000 will be the voltage out to the encoder Be careful with 28V aircraft that you select an encoder which 15 rated to 28V Secondly it is very important to wire a connecting ground wire between the encoder and the T2000 even if you are NOT taking the power from the T2000 This will ensure that the data line signals are at best performance Thirdly NEVER allow the output voltage from the T2000 to the encoder to be shorted This will always result in internal damage to the T2000 and is NOT covered by the warranty Do NOT do this T2000 user manual V29 Page 24 of 28 8 April 2005 Do I need to get my Transponder calibrated Yes In most countries transponder installations regardless of the type of aircraft it 15 installed in must be calibrated at the time of installation and every two years thereafter The calibration will include the aircraft s altitude encoder and primary altimeter The test must be carried out with the equipment installed in the aircraft by a qualified avionics service centre Is there anything inside the T2000SFL transponder can adjust to get better performance No Do not open T2000SFL or attempt to adjust any internal components Service s
23. r voltage continues after the ENTER key is pressed the message will reappear after 10 seconds Under Voltage Alert During normal operation the bottom line may present the under voltage alert The alert message will remain until the voltage returns above the U V alert limit or the ENTER key is pressed If the over voltage continues after the ENTER key is pressed the message will reappear after 10 seconds 3 4 6 BACKLITS The T2000SFL display is backlit by a series of LEDS The level of backlight can be selected from three options Backlighting is OFF When the T2000SFL is turned on the backlighting will default to OFF Backlighting is LO When the T2000SFL is turned on the backlighting will default to the LO or 50 level Backlighting is HI When the T2000SFL is turned on the backlighting will default to the HI or 100 level Press MODE key 6 times To select Backlits option The current setting is displayed Rotate CODE SELECT knob To select from OFF LO Rotate ENTER key To save backlist level Press Toggle key Display returns to current operational display T2000 user manual V29 Page 15 of 28 89 April 2005 3 4 7 ALERT TONE The Alert Tone function is used by the T2000 s altitude alert function When set ON the Alert can be heard through the headphones when connected to the headphone circuit Press MODE key 7 times To select Alert Tone option Rotate CODE SELECT knob Scroll lower line to select ON or OFF Th
24. s in Controlled airspace 7000 VFR General Aviation Code Europe 7500 Unlawful Interference Code 7600 Radio Communications Failure 7700 Emergency Code 7777 Military Intercept Code NEVER USE Code 2100 is a test code that can be used by qualified personal to test the transponder to ATC The user should check the Civil Aviation Rules Regulations to determine the VFR General Aviation transponder code for their country T2000 user manual V29 Page 6 of 28 89 April 2005 2 0 DISPLAY FUNCTION The T2000SFL is a dual line display of 8 characters each with the active code on the top line and the standby code on the bottom With the SELECTMODE knob set to either the ON or ALT positions the active code is displayed on the top line and the standby code is displayed on the bottom line In the top left corner the operational mode character X A or C character is displayed Next to it is the ADS B annunciator character which flashes with every ADS B squitter transmitted At the top right is the Mode A C annunciator R character which also flashes with every transponder reply transmitted If the ID key is pressed to activate the ident function the R character is replaced with an I character while the ident function is operating character flashing ADSB annunciater STANDBY Neither code or altitude are sent Active Code The transmitted ID code I character e Squawk Ident operation ia R character flashing A
25. s may release the T2000 4 1 9 EXIT PROGRAM This is the end of the PROGRAM MODE menu The user can exit by pressing the ENTER key The T2000 will restart in the operational mode The user can exit the PROGRAM MODE menu at any time from any menu item by pressing the toggle key To re enter the PROGRAM MODE menu the T2000 must be turned off and re started using the ON and MODE keys refer PROGRAM MODE section T2000 user manual V29 Page 22 of 28 8 April 2005 5 0 FREQUENTLY ASKED QUESTIONS The following questions are common to most users and may help you understand the operation of the T2000 some of these are explained in the user manual but may have been missed by the reader Q When I am asked to Squawk Ident ID the I indicator stays for a long time Why A The I or ident character is used to denote that the transponder reply now includes the ident information to make the return flash on the ATC display The ident will stay on for 18 seconds before returning to normal operation Q When asked to go to mode C from mode A the altitude does not appear on the ground station for some time usually after 8 minutes is this normal A Yes if the encoder has the option for mode C only power on see setup then when in mode A it will have no power applied to it in mode C the power is applied for the first time Some encoders have a warm up period of up to 10 minutes and the encoder information will be missing
26. shooting aircraft electrical problems P The display moves to A C VOLT menu item 4 1 2 A C VOLT The T2000 s voltage monitoring system must be told what the nominal input voltage is Most aircraft have either 14V or 28V electrical systems If you are operating from 12 battery select the 14 option Press ENTER key Until A C VOLT message appears Rotate CODE SELECT knob Set A C VOLT 14 28 The default is 14 Press ENTER key The message SAVED appears briefly on the display The display moves to O V Set menu item 41 3 O V SET This menu item sets the OVER voltage alert level for the voltage monitoring system The maximum input voltage for the T2000 is 33V but we suggest that the alert level be set much lower perhaps 2 volts over the nominal supply voltage e g O V 16V for 14V aircraft Press ENTER key Until O V Set message appears Rotate CODE SELECT knob Scroll to set the required O V Set value Press ENTER key The message SAVED appears briefly on the display The display moves to U V Set menu item T2000 user manual V29 Page 20 of 28 89 April 2005 4 1 4 U V SET This menu item sets the UNDER voltage alert level for the voltage monitoring system The minimum input voltage for the T2000 is 10V but we suggest that the alert level be set higher perhaps 3 volts below the nominal supply voltage eg U V for 14 aircraft Press ENTER key Until U V Set message appears Rotate CODE SE
27. t T2000SFL ON KEY 13 TURNING OFF To turn off press the ON key again and the unit will immediately turn off T2000 user manual V29 Page 5 of 28 89 April 2005 14 DISPLAY LAYOUT The Microair T2000 SFL is a 57mm diameter face version pe ap to fit the standard 2 4 inch instrument hole e The mounting is by 4 x M4 machine screws located T2000SFL through the panel and screwed into threaded holes in each corner of the transponder s front face Clean only with a dry cloth and do not allow the display face to become wet ON STNBYe eALT CODE SELECT The mode of operation is set using the SELECT MODE eat knob located at the lower left and the standby code displayed lower line of the display can be edited with the CODE SELECT knob located at the lower right T2000SEFL Front Face 1 5 Special Codes There are several special codes which are used to identify General Aviation aircraft and some special situations which aircraft could encounter Misuse of these codes may result in legal charges against the user A IMPORTANT NOTE ALWAYS check the standby code BEFORE transferring it to the ACTIVE position 0000 General Purpose code subject to regional agreement 1200 Civil VFR Flights OCTA not participating in Radar Information Service RIS General Aviation Code US and other countries 2000 Civil IFR Fights OCTA not participating in RIS 3000 Civil Flight
28. titude to 100 feet Move on to the Buffer value and set this to 4400 feet 4500 100 The HI alert message and tone will now occur at 4500 feet to warn you of the airspace T2000 user manual V29 Page 25 of 28 8 April 2005 T2000 user manual V29 Page 26 of 28 8 April 2005 6 0 LIMITED WARRANTY Microair Avionics Pty Ltd warrants this product to be free from defects in materials and workmanship for 1 year from the date of purchase Microair Avionics will at its sole discretion repair or replace any components which fail in normal use Such repairs or replacement will be made at charge to the customer for parts labour The customer shall be responsible for any transportation costs for return of this product to Microair Pty Ltd This warranty does not cover failures due to abuse misuse accident unauthorized alteration or repairs carried out by parties other than Microair or an approved Microair service centre This warranty does not cover failures where the product has not been installed or operated in accordance with the provisions of the User and Installation manual s It shall be at Microair Pty Ltd s sole discretion to decide if a defect is a result of material or workmanship failure THE WARRANTIES AND REMEDIES CONTAINED HEREIN ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES EXPRESSED OR IMPLIED INCLUDING ANY LIABILITY ARISING UNDER WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE STATUA
29. y returns to current operational display No default value Display returns to current operational display ALTITUDE BUFFER ALTITUDE BUFFER With the Assigned altitude set at 3500 feet and the Buffer Alt set at 200 feet the display alerts will occur over 3700 feet and under 3300 feet ASSIGNED ALTITUDE No alert will be displayed while the aircraft remains inside the 3700 3300 buffer If the aircraft climbs or descends outside the altitude buffer limits a Hi Lo warning is displayed on the lower line T2000 advises the pilot that the aircraft 1s 500 feet above the Assigned altitude If the Alert Tone function is set on an audio warning tone 1s heard T2000 advises the pilot that the aircraft 15 500 feet below the Assigned altitude If the Alert Tone function is set on an audio warning tone 1s heard T2000 user manual V29 Page 13 of 28 89 April 2005 3 4 4 ALTITUDE units The altitude data can be displayed as feet flight level or meters Once the Altitude units are set all altitude data is displayed in these units The options are FEET e g 15000 M METERS e g 5000 M Press MODE key 4 times To select Altitude option Rotate CODE SELECT knob Scroll to select desired units Options are Feet or Meters Press ENTER key No operation No default value Press Toggle key Display returns to current operational display In both examples below the PA characters displayed at the lower left indicate pressure
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