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AXP340 Mode S Transponder with ADS-B Out | PILOT GUIDE TABLE OF CONTENTS SYSTEM OVERVIEW ...................................................................... 1 FUNCTIONAL OVERVIEW ............................................................. 2 DISPLAY ......................................................................................... 3 BEZEL CONTROLS ........................................................................ 3 Selector Knob .............................................................
SYSTEM OVERVIEW This manual assumes that the pilot is appropriately licensed, is proficient in operation of the aircraft and its equipment, and is in compliance with all Federal Aviation Regulations (FARs). All images contained in this manual are for reference use only, and are subject to change. Avidyne strongly recommends that pilots use the AXP340 system only under VFR conditions until completely familiar with its operation and use.
FUNCTIONAL OVERVIEW The Avidyne AXP340 Mode S ADS-B Transponder supports the following functions: Mode C transponder operations; Mode S transponder operations; ADS-B Out compliant; Flight Timer; Stopwatch; Altitude Monitor; Flight ID reporting. COOL FEATURE ADS-B Compliance When combined with any of Avidyne’s TAS6X0A ADS-B capable Traffic Advisory Systems, and an ADS-B compliant GPS source and display (e.g.
DISPLAY The display shows the operating mode of the transponder, the reported pressure altitude, and the current squawk code. The reply indicator is active when the transponder replies to interrogations and the IDENT indicator is active when the bezel IDENT button is pressed. The reported altitude is displayed as a Flight Level, which is the pressure altitude in hundreds of feet.
VFR Pressing the VFR button sets the transponder to the preprogrammed regional VFR code. Pressing the button again restores the previous squawk code. Pressing the VFR button while in Flight ID edit changes the Flight ID to the pre-programmed ID set up during configuration of the transponder. FUNC Pressing the FUNC button provides access to the flight timer, stopwatch, Flight ID editing, ADS-B monitor (depending on installation), altitude monitor and front panel dimming.
POWER ON/OFF The AXP340 will automatically power on when avionics power is applied and will display the Avidyne logo, product identification and software version information while the unit is self-testing. AXP340 Initialization Screen Following a successful power-on self-test, the AXP340 will transition to Standby mode (STBY) and present the squawk code and Reported Altitude display page. The AXP340 will automatically transition to ALT mode during takeoff roll.
MODE CONTROL The MODE button also controls the operation mode of the transponder. The following table shows the progression through the states: ALT ON SBY The transponder will respond to all interrogations. The transponder will respond to all interrogations, but altitude reporting is suppressed. The transponder is on, but will not reply to any interrogations. When airborne, the transponder should always be set to ALT unless otherwise directed by Air Traffic Control.
ADDITIONAL FUNCTIONS FLIGHT TIMER The Flight Timer (labelled “Flight Time”) records the time for which the transponder has been powered on and operating in flight mode – either ON or ALT. Press the FUNC button to display the Flight Timer. Flight Timer Function Display Pressing the CLR button resets the flight time counter. Pressing the selector knob starts or stops the flight timer. Pressing the FUNC button moves to the next screen and leaves the flight timer in the current state.
FLIGHT ID ENTRY Select the Flight ID edit screen using the FUNC button. Flight ID Entry Function Display The display shows the alpha numeric characters selected via the rotary selector knob or numeric buttons. When the correct character is shown in the flight ID section of the screen, press the selector knob to accept and advance to the next digit. When the selector knob is pressed on the last digit or a space, the new Flight ID will replace the previous value.
200 feet. Press the FUNC button to display the altitude monitor enable screen. Altitude Monitor Function Display Pressing selector knob toggles the altitude monitor at the current altitude. A two (2) second press of the selector knob captures the present pressure altitude and enables the altitude monitor. When altitude monitoring is in use, the deviation height will be shown along with the “ABOVE or “BELOW” to indicate the aircraft height relative to the target altitude.
dashes; if no valid latitude and longitude is shown then ADS-B position information is NOT being transmitted. Loss of ADS-B position information will also result in a WARNING message being displayed.
BRIGHTNESS AND LIGHTING CONTROLS The following table describes the means available by which to control the display and bezel backlighting/brightness: Control Method Comments Dimming Bus If set up to use the dimming bus in the Configuration pages at time of installation, then both the bezel and the display brightness/backlighting will be controlled via the cockpit dimming bus controls, typically a dimming rheostat.
ALERTS ALERT MESSAGES If the transponder detects a problem, the screen will indicate WARNING and a brief statement of the problem. Depending on the nature of the problem, your transponder may not be replying to interrogations. Note the message on the screen and pass that information to your avionics maintenance organization. The WARNING message should clear when the event has cleared. Press CLR to clear the message at any time; if the fault is still present the message may reappear.
CONFIGURATION MODE The system is configured when it is first installed by your avionics supplier. Configuration items include the Mode S aircraft address, the interface to the other aircraft systems (e.g. external ident input, weight on wheels input, external standby input, serial altitude output, Gray Code and serial altitude inputs, etc), the aircraft category, and the pre-programmed values for VFR squawk code.
SOFTWARE UPDATES The AXP340 is a software-enabled transponder and all anticipated software updates can be performed at your avionics shop. PLUG AND PLAY DETAILS The AXP340 is plug & play compatible with the King KT-76/76A transponder. This means it can literally be installed in a KT76/76A tray and no further action or wiring is required. All functions described in this manual will be supported in that case.
ADS-B, 4 Additional Functions ADS-B Monitor, 11 Altitude Monitor, 10 Flight ID Entry, 10 Flight Timer, 9 Stopwatch, 9 Alerts Fault Annunciations, 14 Alert Messages, 14 Bezel Controls CLR, 5 FUNC, 6 IDENT, 5 Numeric Buttons, 5 Selector Knob, 5 VFR, 6 Brightness and Lighting Controls, 13 Configuration Mode, 15 Low Temperature Operation, 15 Mode Control ALT, 8 ON, 8 STBY, 8 Plug & Play Details, 16 Power On/Off, 7 Software Updates, 16 Squawk Code Entry, 8 System Overview, 3 Index 1
Website There is a dedicated website that provides more information on this product at http://www.axp340.com FAQs http://www.avidyne.com/downloads/products/ AXP340/FAQs.pdf Service Hotline A hotline has been established to service questions or issues regarding Avidyne products. The U.S. Toll Free number is 1-888-723-7592. International toll free numbers are listed at http://www.avidyne.com/contact/intphones.asp Email Customer/product support issues can be emailed as well □ Europe – support@avidyneeurope.
AVIDYNE CORPORATION 55 Old Bedford Road Lincoln MA 01773 P 781 402 7400 | F 781 402 7599 Toll Free 800-AVIDYNE (800 284 3963) www.avidyne.com http://www.avidyne.com/products/AXP340/index.