Microair Avionics T2000 Transponder User Manual ATSO version 1
Microair Avionics PTY LTD Transponder ATSO version 1
Users Manual
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| Document ID | 165551 |
| Application ID | ML8cenpMvxi/CVOwVBp60w== |
| Document Description | Users Manual |
| Short Term Confidential | No |
| Permanent Confidential | No |
| Supercede | No |
| Document Type | User Manual |
| Display Format | Adobe Acrobat PDF - pdf |
| Filesize | 20.23kB (252858 bits) |
| Date Submitted | 2001-08-21 00:00:00 |
| Date Available | 2001-11-05 00:00:00 |
| Creation Date | 2001-07-19 06:11:40 |
| Producing Software | Acrobat Distiller 4.05 for Windows |
| Document Lastmod | 2001-07-19 06:11:50 |
| Document Title | ATSO document version 1 |
| Document Creator | Microsoft Word 9.0 |
| Document Author: | Kim and Ian Mugan |
Microair Avionics T2000 Transponder User Manual Microair Avionics PTY Ltd Airport Drive Bundaberg Queensland 4310 Australia Tel: +61 7 41 553048 Fax: +61 7 41 553049 e-mail: support@microair.com.au Version 2.0 Page 1 11/02/01 Microair Avionics T2000 Transponder User Manual About This Document Microair Avionics have 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. Microair reserve the right to amend this manual as required, to reflect any enhancements or upgrades to the T2000 Transponder series. © Microair Avionics PTY Ltd Statement: The T2000SF/SFL owner accepts all responsibility for obtaining the proper licensing before using the transponder. The coverage you can expect from the T2000SF/SFL 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 T2000SF/SFL should be turned off before starting or shutting down aircraft engine(s). MICROAIR DOCUMENTS Microair T2000 Users Manual Microair T2000 Installation Manual Microair T2000 Flight Manual Supplement Microair T2000 Service Manual T2000-DOC-001 T2000-DOC-002 T2000-DOC-003 T2000-DOC-004 DOCUMENT REVISION STATUS – T2000-DOC-001 Revision 1.0 2.2 Version 2.0 Date 11/02/01 11/7/01 Change Initial Draft Voltage Monitoring Page 2 11/02/01 Microair Avionics T2000 Transponder User Manual TABLE OF CONTENTS ABOUT THIS DOCUMENT.............................................................................................................................2 MICROAIR DOCUMENTS ..............................................................................................................................2 DOCUMENT REVISION STATUS – T2000-DOC-001...................................................................................2 INTRODUCTION..............................................................................................................................................4 OPERATION.........................................................................................................................................6 T2000 SF/SFL ...........................................................................................................................6 DISPLAY FUNCTION ......................................................................................................................................7 T2000SF ................................................................................................................................................7 T2000SFL ..............................................................................................................................................7 CONTROLS FUNCTIONS................................................................................................................................9 SELECTMODE KNOB.........................................................................................................................9 CODE ADJUST KNOB.......................................................................................................................10 ON KEY ..............................................................................................................................................10 MODE KEY ........................................................................................................................................11 QNH ENTRY ( BAROMETER SETTING )...........................................................................11 ASSIGNED ALTITUDE.........................................................................................................12 ASSIGNED BUFFER .............................................................................................................12 ALTITUDE UNITS.................................................................................................................13 VOLTAGE ( VOLTAGE SETPOINTS , RECEIVE VOLTS )...............................................13 BEEP .......................................................................................................................................13 ENTER KEY .......................................................................................................................................14 < > KEY..............................................................................................................................................14 VFR – HOT KEY ................................................................................................................................15 ID KEY................................................................................................................................................15 INITIALISATION AND SETUP.....................................................................................................................16 PROGRAM MODE .............................................................................................................................16 NAME & REGISTRATION (ONE TIME ONLY ENTRY)...................................................16 VOLTAGE ..............................................................................................................................17 ENCODER POWER ...............................................................................................................17 DISPLAY BRIGHT ( SF MODEL ONLY ) ...........................................................................18 DISPLAY TIMEOUT ( SF MODEL ONLY ) ........................................................................19 BAROMETRIC UNITS ..........................................................................................................19 EXIT PROGRAM ...................................................................................................................19 FREQUENTLY ASKED QUESTIONS: .........................................................................................................20 NORMAL TRANSPONDER OPERATIONS. .......................................................................20 Version 2.0 Page 3 11/02/01 Microair Avionics T2000 Transponder User Manual 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 aircraft’s transponder receives the ground station signal asking it to transmit. The transponder “replies” with the code, and if operating in mode C, the encoder altitude. 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 their airspace. A transponder’s reply is termed a squawk. Hence the current code being used by the transponder is termed the 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 squawk 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 to 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. Version 2.0 Page 4 11/02/01 Microair Avionics T2000 Transponder User Manual 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. IMPORTANT NOTE ALWAYS check the standby code, BEFORE transferring it to the ACTIVE position. 0000 1200 7000 7500 7600 7700 7777 Military use only (this code is not selectable) VFR General Aviation Code (US and other countries) VFR General Aviation Code (Europe) Hijack Code Communications Failure Emergency Code Military Intercept Code (NEVER USE) The user should check the Civil Aviation Rules/Regulations to determine the VFR General Aviation transponder code for their country. Version 2.0 Page 5 11/02/01 Microair Avionics T2000 Transponder User Manual OPERATION The transponder can be operated in the following modes: ON ALT Transponder operates in modes A & C with no altitude information being transmitted. Transponder operates in modes A & C with altitude information being transmitted. If requested by ATC the user can squawk ident. The transponder will add an extra piece of data to the transmission, to make the code and altitude information flash on the ATC radar display. When operating in ALT mode, altitude data is received from a separate altitude encoder. This data is passed back to the transponder to be included in the response transmission to ATC. The Microair T2000 is compatible with any industry standard altitude encoder with parallel output. The display can present the active and standby codes. The standby code can be changed at any time, and then toggled to become the active code. The T2000 can replace the standby code with the encoder altitude, or supply voltage. In addition to the required TSO functions, the Microair T2000 offers a number of other useful features, which can be displayed by the operator either as a pop-up message, audio beep, or a display option. T2000 SF/SFL The Microair T2000 SF/SFL are 57mm diameter face versions to fit the standard 2 ¼ inch instrument hole. The mounting is by 4 x M4 machine screws, located through the panel and screwed into threaded holes in each corner of the transponder’s front face. The SF display is a two line LED unit of 8 characters per line. The SFL is a two line LCD display of 8 characters per line, with backlighting. Microair T2000 SFL Version 2.0 Page 6 11/02/01 Microair Avionics T2000 Transponder User Manual DISPLAY FUNCTION T2000SF The SF is a dual line display of 8 characters each, with the active code on the top line, and the standby code on the bottom. The display is LED, with the brightness controlled by a light sensor adjacent to the display. T2000SFL The SFL is a dual line display of 8 characters each, with the active code on the top line, and the standby code on the bottom. The display is LCD, with preset backlighting. OPERATION MODE S = STANDBY A = MODE A C = MODE C ACTIVE CODE REPLY ICON CURSOR STANDBY CODE MODE C ALTITUDE UNITS F = FEET FL = FLIGHT LEVEL M = METRES QNH ADJUSTED ALTITUDE MODE C PRESSURE ALTITUDE (ENCODER OUTPUT ) PRESSURE ALTITUDE Version 2.0 Page 7 11/02/01 Microair Avionics T2000 Transponder User Manual When the altitude is displayed, the standby code is saved into memory. To display the standby code again, press the < > key once to make it appear on the bottom line. Press the < > key again to exchange the active and standby codes. After 10 seconds of inactivity, the display will revert to displaying the altitude. Pressure Altitude is the Encoder altitude. The encoder’s barometric adjustment is preset to 1013 millibars (29.92HG). If the Encoder is not powered or not fitted, the message NO ALT will appear on the display. It is possible to input the QNH (barometric pressure) given by ATC, into the T2000 to adjust the displayed pressure altitude. This feature will allow the user to adjust the displayed altitude to read the same as the aircraft’s altimeter. IMPORTANT NOTE When passing upwards through the transition level/layer the altimeter and transponder should both be set to 1013mb (29.92HG). When passing down through the transition level/layer the altimeter and transponder are reset to the QNH (barometric pressure) given by ATC. The T2000 will transmit the encoder altitude (pressure altitude) only, in accordance with normal mode C operation. The adjusted QNH altitude is never transmitted. Version 2.0 Page 8 11/02/01 Microair Avionics T2000 Transponder User Manual CONTROLS FUNCTIONS This section describes the transponder control keys and their functions. Many of the control keys have more than one function, and some keys access multi-option menus, which can be scrolled. SELECTMODE KNOB The SELECTMODE knob allows the user to switch the transponder between the 4 operating modes. STANDBY In standby the transponder is powered up, but will not transmit. On the active display line the letter S appears on the left hand side. ON Will reply to Mode A and C interrogations, but with no mode C encoder information. Mode C blind encoder is normally powered up in this mode, but can be powered down if encoder power option is set OFF (refer Encoder power in Initialisation and Setup section). On the active display line the letter A appears on the left hand side. ALT 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. DISPLAY ALT The standby code is replaced with the encoder altitude. If the QNH has been set via the QNH ENTRY option of MODE MENU, the displayed altitude will be adjusted for barometric air pressure. Altitude will be displayed in units set in ALTITUDE UNITS option of MODE MENU. Pressure Altitude can be displayed as: • Pressure Altitude & FL PA FL 0 7 5 displayed • Pressure Altitude & feet PA 7 5 0 0F displayed • Pressure Altitude & metres PA 2 3 0 0M displayed QNH corrected altitude can be displayed as: • QNH Altitude & FL Q FL 0 7 5 displayed • QNH Altitude & feet Q 7 5 0 0F displayed • QNH Altitude & metres Q 2 3 0 0M displayed 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’s QNH to 1013 (the default value), at the same time the aircraft’s altimeter is adjusted. On the active display line the letter C appears on the left hand side. ALT ON DISP ALT STBY SELECTMODE SF/SFL SELECTMODE Knob Version 2.0 Page 9 11/02/01 Microair Avionics T2000 Transponder User Manual CODE ADJUST Knob The CODE ADJUST knob can be rotated clockwise to scroll upwards, and counter-clockwise to scroll downwards. Each digit of the code is adjusted separately. The adjust function starts with the left hand digit and is moved across to the next digit by pushing the CODE ADJUST knob inwards. After 10 seconds of inactivity the cursor will revert to the left hand digit. The CODE ADJUST knob is also used to scroll through some of the MODE MENU functions and PROGRAM MODE items. PUSH CODE ADJUST SF/SFL CODE ADJUST Knob ON KEY For the SF, pressing the ON key once will turn the transponder ON. To turn the transponder OFF, hold the ON key down for 3 seconds, the message TURNING OFF is displayed briefly, then the transponder will shut down. For the SFL, pressing the ON key once will turn the transponder ON. Pressing the ON key a second time will activate the backlighting to the pre-set minimum brightness level (refer the Initialisation and Set-up section). Pressing ON a third time will bring the backlighting to its maximum brightness level. Press a fourth time and the display will revert back to no backlighting. The SFL is turned OFF in the same way as the SF. ON SF/SFL ON Key For the SF only the control keys are backlit. The LED display is continuously lit, with the level of brightness controlled by the Photo Sensor on the front face. Version 2.0 Page 10 11/02/01 Microair Avionics T2000 Transponder User Manual MODE KEY The MODE key can be used to access two separate menus: MODE SF/SFL MODE Key • If the transponder is turned on, by holding down both the ON key and the MODE key, the transponder will start in PROGRAM MODE (refer Initialisation and Set-up). • If the transponder is ON and in normal operation, press the MODE key to access the MODE MENU. MODE MENU QNH ENTRY ASSIGNED ALTITUDE ALTITUDE BUFFER ALTITUDE UNITS VOLTAGE BEEP PUSH CODE ADJUST rotate to scroll menu QNH ENTRY ( BAROMETER SETTING ) Altitude encoders output a pressure altitude fixed at an above mean sea level (AMSL) pressure of 1013mb (29.92HG). The aircraft’s altimeter 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 can be entered here to allow the T2000 to adjust the displayed altitude to QNH altitude, and hence read the same as the aircraft’s altimeter. The default QNH is 1013 (29.92HG). If the QNH is set to 1013 (29.92HG), the altitude displayed will default to the unadjusted pressure altitude direct from the encoder. If the QNH is set to a discrete value (normally provided by ATC), the displayed altitude will be the encoder pressure altitude adjusted for that QNH value. Rotate CODE ADJUST knob Press ENTER key Rotate CODE ADJUST knob Press ENTER key Scroll to QNH ENTRY option To select QNH ENTRY option Set QNH = 1013 to desired QNH. The default is 1013(mb) or 29.92(HG) The message SAVED appears briefly on the display Display returns to QNH ENTRY in MODE MENU The barometric units are set in the BAROMETRIC UNITS option of the PROGRAM MODE. IMPORTANT NOTE The T2000 will only transmit the encoder pressure altitude. The adjusted QNH altitude is NEVER transmitted, even when it is being displayed. Version 2.0 Page 11 11/02/01 Microair Avionics T2000 Transponder User Manual 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 advise when the aircraft has climbed or descended from the assigned altitude. Rotate CODE ADJUST knob Press ENTER key Rotate CODE ADJUST knob Press ENTER key Scroll to ASSIGNED ALTITUDE option To select ASSIGNED ALTITUDE option Set ALT = 0 to desired altitude. The default is 0 The message SAVED appears briefly on the display Display returns to ASSIGNED ALTITUDE in MODE MENU If the ASSIGNED ALTITUDE is set ALT = 0, the altitude alert function is disabled. The altitude units are set in the ALTITUDE UNITS option of the PROGRAM MODE. The assigned altitude function is only active when the SELECTMODE knob is set to DISP ALT. If the ASSIGNED BUFFER has not been set, the default alert is +/-100 feet or +/-30 metres. ASSIGNED BUFFER 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 arrow will be displayed to show the direction (up or down) the aircraft is going. If the BEEP function is ON, an audio tone will be heard as well. If the ALTITUDE UNITS are set to FEET or FL, the BUFFER increments are in 100 foot units. If the ALTITUDE UNITS are set to METRES, the BUFFER increments are in 30 metre units. Rotate CODE ADJUST knob Press ENTER key Rotate CODE ADJUST knob Press ENTER key Scroll to ASSIGNED BUFFER option To select ASSIGNED BUFFER option Set BUFFER=100 to desired altitude. The default is 100 (ft) or 30 (m) The message SAVED appears briefly on the display Display returns to ASSIGNED BUFFER in MODE MENU ALTITUDE BUFFER ALTITUDE BUFFER ASSIGNED ALTITUDE Version 2.0 Page 12 11/02/01 Microair Avionics T2000 Transponder User Manual ALTITUDE UNITS The altitude data can be displayed as feet, flight level, or metres. Once the ALTITUDE UNITS are set all altitude data is displayed in these units. The exception is when the ALTITUDE UNITS are set to FL, the ALTITUDE BUFFER is still displayed and set in FEET. Rotate CODE ADJUST knob Press ENTER key Rotate CODE ADJUST knob Press ENTER key Scroll to ALTITUDE UNITS option To select ALTITUDE UNITS option Set UNITS = FEET/FL/METRES The default is FEET The message SAVED appears briefly on the display Display returns to ALTITUDE UNITS in MODE MENU VOLTAGE ( Voltage setpoints , Receive Volts ) The VOLTAGE function will display the aircraft’s supply voltage , and by turning the scroll button the set points for the voltage alerts and the receive volts can be displayed. Receive volt are used for diagnostic function only and have no relevance to normal operation. The receive voltage will display a value between 0 and 255 ( higher the value , stronger the signal ). Voltage alarm levels are set in PROGRAM MODE menu (see Initialisation and Set-up). Should an alarm activate , simply hit the enter key to acknowledge. Select VOLT MON Rotate Code adjust knob Rotate Code adjust knob Rotate Code adjust knob Rotate Code adjust knob Current input voltage is displayed Over voltage set point high is displayed ( e.g O/V 16.00 ) Under voltage set point low is displayed ( e.g U/V 10.00 ) Receive VOLTS is displayed ( e.g 120 ) Display returns to VOLTS display When the transponder is operating in normal display operation mode, the over and under input voltage alert flashes as a warning (for periods of 1 second every 5 seconds), and if the BEEP function is set ON, an audio tone can be heard. Reset this by hitting enter. A further alert will happen after 5 minutes if the voltage condition is still under / over. BEEP The BEEP function is used by many of the T2000’s features, to alert or confirm a variety of messages and functions. When set ON, the BEEP also confirms every key press. The BEEP can be heard from either the cabin speaker, or through the headphones. Rotate CODE ADJUST knob Press the ENTER key Rotate CODE ADJUST knob Press the ENTER key Scroll to BEEP option. To select BEEP option Set BEEP = ON/OFF The default is ON The message SAVED appears briefly on the display Display returns to BEEP in MODE MENU To exit the MODE MENU, scroll the CODE ADJUST knob past the BEEP option. The display will return to the selected display mode. Version 2.0 Page 13 11/02/01 Microair Avionics T2000 Transponder User Manual 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 select an option from a scrolled menu. ENTER SF/SFL ENTER Key < > KEY This key acts as a “toggle” switch, exchanging the active and standby codes. For the SF/SFL the active code is the top line, and the standby is on the bottom line. 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 < > key once to display the standby code on the bottom line. The standby code is displayed for 10 seconds. Push the < > 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 < > key is also used to advance the cursor one position to the right, when keying in information. Version 2.0 SF/SFL TOGGLE Key Page 14 11/02/01 Microair Avionics T2000 Transponder User Manual VFR – HOT 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. To set a different VFR code, simply hold the VFR key down for 3 seconds, and the standby code will change to VFR 1200. Use the CODE ADJUST knob to set a new VFR code and press the ENTER key to store. The display will briefly show the SAVED message, then revert to the active/standby mode, with the new VFR code in the standby position. To transfer the VFR code to the active position, press the < > key. If no code is entered, after 10 seconds idle the standby position will revert back to the original VFR code. VFR SF/SFL VFR Key ID KEY The ID key ( Ident ) when pressed, adds additional code information to the transmission for ATC. The code will flash on the ATC display as a means of uniquely identifying the aircraft’s code from any other. The T2000 has the option of a remote ID switch (pin 16). 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. ID SF/SFL IDENT Key Version 2.0 Page 15 11/02/01 Microair Avionics T2000 Transponder User Manual 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 recommend, 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 Name & Registration Voltage Encoder Power Display Type Display Bright ( SF Model ) Display Timeout ( SF Model) Barometric Units Exit Program PROGRAM MODE When the unit is turned ON with the MODE key held down, the unit will start up in the PROGRAM MODE. The screen will display PROGRAM MODE then press the ENTER key to continue. The program will sequence through all of the set up options. To exit PROGRAM MODE at any time, turn the transponder off for 5 seconds. When turned back on with the ON key only, the transponder will then start in selected display mode. NAME & REGISTRATION (one time only entry) The T2000 allows you to enter either your name or aircraft registration into a non-erasable memory. This provides a level of security for the transponder, uniquely identifying it. Once entered, this information will be displayed each time the transponder is turned on. Your NAME/REG may be alpha or numeric or a combination of both, up to 16 characters long. IMPORTANT NOTE For security, once you enter and confirm your NAME/REG it cannot be changed without the transponder being returned to an authorised service facility. If a NAME/REG has previously been entered, this PROGRAM MODE item will not be displayed again. Rotate CODE ADJUST knob Press ENTER key Rotate CODE ADJUST knob Press < > key Rotate CODE ADJUST knob Press ENTER key Press ENTER key Scroll to NAME/REG option To select NAME/REG option Adjust to desired letter/number for 1st character Saves character and advances one space to the right Adjust for 2nd character etc (repeat steps 2 & 3 to complete) Message CONFIRM NAME/REG appears Message TAKEN appears briefly on the display Display returns to NAME/REG in PROGRAM MODE menu At the message CONFIRM NAME/REG, if you want to go back and edit, press the < > key. The display will return the NAME/REG field with the cursor at the right-most character. Version 2.0 Page 16 11/02/01 Microair Avionics T2000 Transponder User Manual VOLTAGE 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 troubleshooting aircraft electrical problems. These alerts can be programmed for 14 or 28V aircraft. Rotate CODE ADJUST knob Press ENTER key Rotate CODE ADJUST knob Press the ENTER key Scroll to VOLTAGE MONITOR option To select VOLTAGE MONITOR option Set A/C VOLT = 14/28 The default is 14 The message SAVED appears briefly on the display IMPORTANT NOTE The T2000 can be connected to either a 14 or 28 volt supply. It is necessary however to set the monitored supply level for this function. The maximum supply voltage for the T2000 is 33 volts. Prolonged supply voltage above 33 volts will damage the transponder. Having selected the correct supply voltage, you can now program the lower and upper alert voltages that will be shown on the display of the transponder. Note: You should allow a reasonable buffer margin. Rotate CODE ADJUST knob Press ENTER key Rotate CODE ADJUST knob Press ENTER key Set over voltage - eg O/V = 18.0 for a 14 volt system The message SAVED appears briefly on the display Set under voltage - eg U/V = 11.5 for a 14 volt system The message SAVED appears briefly on the display Display returns to VOLTAGE MONITOR in PROGRAM MODE menu ENCODER POWER This 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. Rotate CODE ADJUST knob Press ENTER key Rotate CODE ADJUST knob Press ENTER key Scroll to ENCODER POWER option To select ENCODER POWER option Set E/C POW = ALT/ALL Select ALT for encoder power in ALT mode only Message SAVED appears briefly on the display Display returns to ENCODER POWER in PROGRAM MODE menu ALT Encoder power is on in ALT and DISP ALT modes only ALL Encoder power is on in all modes. Version 2.0 Page 17 11/02/01 Microair Avionics T2000 Transponder User Manual DISPLAY TYPE For where a for second display is used, it necessary to identify to the display. RF engine which display has Thisinstallations function is reserved control management ofisa remote display, or a second priority over the other. The display with the ability to lock out the other is the MASTER display. The other display is defined as the SLAVE. In normal operation the MASTER has control over the transponder with the SLAVE acting as a second display only (no control function). Only when the MASTER’s SELECTMODE knob has returned to STBY will the controls of the SLAVE become active. Rotate CODE ADJUST knob Press the ENTER key Rotate CODE ADJUST knob Press ENTER key Scroll to DISPLAY TYPE option To select DISPLAY TYPE option Set DISPLOC = MASTER/SLAVE The default is MASTER The message SAVED appears briefly on the display Display returns to DISPLAY TYPE in PROGRAM MODE menu IMPORTANT NOTE This parameter must be set for each display. For correct function, there can be only one MASTER and one SLAVE. DISPLAY BRIGHT ( SF Model only ) The minimum and maximum display brightness levels can be pre-set to allow the desired levels of brightness for daytime and night time operation. Min Bright and Max Bright are expressed as percentages. Rotate CODE ADJUST knob Press the ENTER key Rotate CODE ADJUST knob Press ENTER key Rotate CODE ADJUST knob Press ENTER key Scroll to DISPLAY BRIGHT option To select DISPLAY BRIGHT option Set MIN Bright XX% (range = 0 - 99%) The default is factory setting The message SAVED appears briefly on the display Set MAX Bright XXX% (range = 0 – 100%) The default is factory setting The message SAVED appears briefly on the display Display returns to DISPLAY BRIGHT in PROGRAM MODE menu IMPORTANT NOTE You may have to experiment with these settings to achieve the desired brightness level for day and night use. You cannot set the maximum brightness percentage to a lesser value than the minimum percentage. Version 2.0 Page 18 11/02/01 Microair Avionics T2000 Transponder User Manual DISPLAY TIMEOUT ( SF Model only ) The display brightness/backlighting can be turned off after a pre-set period of time to reduce battery consumption. This feature is predominately used in aircraft that may only have battery power, without a charging circuit. Other users that may find this feature of benefit are pilots who prefer a dark cockpit at night, thus helping to preserve night vision. Rotate CODE ADJUST knob Press the ENTER key Rotate CODE ADJUST knob Press the ENTER key Scroll to DISPLAY TIME OUT option To select DISPLAY TIME OUT option Select either DSP Tout = ON/OFF The default is OFF The message SAVED appears briefly on the display If you select DSP Tout = ON the time value must now be entered. Time values are entered in whole minutes as a two digit number eg three minutes = 03 Rotate CODE ADJUST knob Press ENTER key Set DSP Tout = 03 The message SAVED appears briefly on the display Display returns to DISPLAY TIME OUT in PROGRAM MODE menu IMPORTANT NOTE During operation with the display time out activated, touching any control will reactivate the display. BAROMETRIC UNITS The barometric units must be set to the officially recognised units for the country in which the transponder is being operated. This selection becomes the unit of measure for QNH (barometric pressure) settings. The two options are MB for millibars, and HG for inches mercury. Rotate CODE ADJUST knob Press the ENTER key Rotate CODE ADJUST knob Press ENTER key Scroll to BARO UNITS option To select BARO UNITS option Set BARO = MB/HG The default is MB The message SAVED appears briefly on the display Display returns to BARO UNITS in PROGRAM MODE menu EXIT PROGRAM This menu item allows the user to exit from the PROGRAM MODE menu. Rotate CODE ADJUST knob Press the ENTER key Rotate CODE ADJUST knob Press ENTER key Scroll to EXIT PROGRAM option To select EXIT PROGRAM option Select either EXIT = Y/N The default is Y The message PROGRAM EXIT appears briefly on the display Display returns to selected display mode If N is selected the display will return to PROGRAM MODE, which is displayed briefly before advancing to the first menu item. Version 2.0 Page 19 11/02/01 Microair Avionics T2000 Transponder User Manual FREQUENTLY ASKED QUESTIONS: Normal Transponder operations. 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 sqwawk Ident ( ID ) the R indicator stays on for a long time. Why ??? The R or reply , is used both for indicating a reply to an interrogation , and for indicating an ident reply , the reply will stay on for 20 seconds before returning to normal operation. 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? 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 5 to 8 minutes, so the encoder information will be missing 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. I have mode C selected and when I taxi around an S appears instead of C , even though it is not in standby! A. The unit has been wired with the external standby to an airswitch. This is a safeguard against operations on the ground. When the plane reaches a certain speed the S will toggle back to a C ( same happens in modes A and ALT ). Again when landing an the speed reduces , it will toggle back to S ( standby ). Another possible cause may be that instead of being wired to an airswitch , it may be wired to a stick mounted toggle switch – make sure it is switched off if you require normal operation! Please note , the T2000 standby switch will still work on the ground or in the air – you can always select standby! Version 2.0 Page 20 11/02/01 Microair Avionics T2000 Transponder User Manual I have noticed that sometimes when I switch off from the Avionics masters switch , and turn on this way the T2000 turns on , but if I turn off the T2000 from it’s own on /off , when I turn on the avionics master the next time , the T2000 is off! It has to be turned on again from the T2000 on / off button , is this normal? Yes , this is perfectly normal. The T2000 remembers the last condition it was in, if you turn it off from the master whilst it is running , it will turn on again the same way. If you use the on / off button on the T2000 , it will remember the last state it was in . In normal operation we advise using the on/off button on the T2000, as this will give the unit protection against voltage surges. In some installations however, the use of an avionics master tends to make this process obsolete for some – we still recommend turning it off and on via the T2000 on/off button! Version 2.0 Page 21 11/02/01 Microair Avionics T2000 Transponder User Manual Whilst flying outside normal radar coverage I have noticed that the reply symbol still flashes from time to time – what causes this? Other aircraft fitted with TCAS systems can still interrogate non TCAS equipped aircraft like yours. This then lets them know where you are, and is displayed on their TCAS screens. The aircraft could be 100 or more miles away and at altitudes +30 or 40,000ft! This concludes our FAQ’s , you can log on to www.microair.com.au for others FAQ and technical data. Version 2.0 Page 22 11/02/01 Microair Avionics T2000 Transponder User Manual 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 no charge to the customer for parts or 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, incorrect installation, unauthorized alteration, or repairs. 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, STATUARY 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. SOME STATES OR COUNTRIES DO NOT ALLOW THE EXCLUSIONS OF INCIDENTAL OR CONSEQUENTIAL DAMAGES, SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU. To obtain warranty service, CALL the Microair Avionics Support line in Australia: Phone: Fax: Email: ++ 61 7 41 553048 ++ 61 7 41 553049 support@microair.com.au Call to obtain a return authorization tracking number when returning any product to Microair. The unit should be securely packaged with the tracking number clearly marked on the outside of the package, and sent freight pre paid and insured to: Microair Avionics PTY Ltd P O Box 5532 Bundaberg West Queensland 4670 Australia Microair may at it discretion, refer product returns for repair or service, to a service facility closest to you. A copy of the original sales receipt is required as proof of purchase for warranty repairs. 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 it’s sole discretion. SUCH REMEDY SHALL BE YOUR SOLE AND EXCLUSIVE REMEDY FOR ANY BREACH OF WARRANTY. Version 2.0 Page 23 11/02/01
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