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AMX240 Audio Panel | PILOT GUIDE TABLE OF CONTENTS SYSTEM OVERVIEW ......................................................................1 FUNCTIONAL OVERVIEW ..............................................................1 BEZEL CONTROLS .........................................................................2 Pilot Volume Knob...................................................................................... 2 Copilot/Passenger Volume 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 AMX240 system only under VFR conditions until completely familiar with its operation and use.
• Crew Isolation; • Full-duplex telephone (wired and Bluetooth®) Support; • Bluetooth® Music Support; • Music Source Selection; • Muting Control; • Audio Replay; • External Audio Jack Support. COOL FEATURE Automatic Squelch Control The PS Engineering designed intercom squelch control monitors each microphone input and instantly opens when human speech is detected. This results in no clipping of initial speech or excessive noise. Nor is there any need for manual squelch adjust.
NOTE Full Counter Clockwise Detent is Power On/Off Use care when adjusting the pilot position intercom volume to avoid inadvertently reaching the full counter-clockwise detent which powers the unit off. COPILOT/PASSENGER VOLUME KNOB The right side knob on the bezel is a dual concentric knob where the outer knob controls the passenger positions intercom volume and the inner knob controls the co-pilot position intercom volume.
pushbutton, the associated COM 2 pushbutton indicator will turn green. This guarantees that the pilot will always hear the audio from the transceiver selected for transmit. The AMX240 “remembers” the receiver selection, so that when switching transmitters from MIC 1 to MIC 2, if COM 2 audio was previously selected, COM 1 audio will continue to be heard. This eliminates the pilot having to switch Com audio back on, after changing transmitters.
SPLIT BUTTON Split mode allows the pilot to transmit on COM 1 while the co-pilot transmits on COM 2. Irrespective of the previous selections, selecting SPLIT will place the pilot position on COM 1 and the co-pilot position on COM 2. When SPLIT is active, the following buttons will be green: MIC 1, COM 1, MIC 2, COM 2 When the split mode is activated, the intercom between the pilot and co-pilot is inhibited, although the passengers can still talk among themselves.
MONITOR BUTTONS MON 1 and MON 2 monitors audio output from the COM 1 and COM 2 IFD Standby channel(s). The buttons turn green when active. Dual radio monitor capability allows the pilot to listen to standby frequencies with automatic muting when the active frequency is in use. NAVAID RECEIVER SELECTION BUTTON These buttons select audio from desired nav radio source to be heard in the headsets. Each button turns green when active.
SPEAKER BUTTON Selecting this button places the radio audio that is selected by the pilot over the cockpit speaker. The button turns green when the speaker function is active. If the SPKR button is held for more than 1 second, the unit enters the Public Announcement (PA) Mode. In PA mode, the pilots mic audio is passed over the cockpit speaker, and to all the headsets (assuming the intercom is in ALL mode) when the pilot presses the PTT. The co-pilot can transmit over the selected radio in PA mode.
MARKER BEACON BUTTON : The Marker Beacon function is always active. The MKR button just controls the audio part of the Marker Beacon. A quick push of the button selects Marker Beacon audio. Pressing and holding the button for more than 1 second will mute the Marker Beacon audio and activate a lamp test which will light out the Outer, Middle and Inner Marker Beacon lamps. The audio stays muted until next beacon station received. The MKR button turns green when Marker Beacon audio is selected.
INTERCOM ISOLATE BUTTON AND DISPLAY The ISOL key selects the intercom mode. It has three states: All, Crew and Pilot Isolate. In All, all three LED segments are lit and all positions are on a shared intercom In Crew, the LED segment connecting PLT and CPLT is lit and the usable intercom is between those two positions. Note that the passengers can talk amongst themselves but cannot hear the crew. Passengers will also not hear the transceiver in this case.
MUSIC BUTTON The MUSIC button cycles through the music muting modes. When selected and lit up in white, music will mute with either Intercom or External Radio input. Mute on is the default state when power is applied. Music can also be put in a Mute Off - “Karaoke” mode in which music will continue to be heard during radio and intercom conversation. Music will be in the background in this case at all times, except when the crew is actually transmitting out the airplane. In this mode, the button is GREEN.
In CREW mode, only the pilot and copilot are connected to the telephone. Passengers will not hear the telephone. The pilot and copilot will also have transmit capability on the selected com transceiver. In Pilot Isolate intercom mode, when the AMX240 is in the TEL mode, the pilot position is in the "Phone Booth." Only the pilot will hear the telephone, and only he will be heard. He will also have access to Com 1 or 2, and will transmit on that radio using the PTT.
POWER ON/OFF The AMX240 will automatically power on when avionics power is applied and perform a quick self-test. Following a successful power-on self-test, the AMX240 will default to the last configuration prior to the previous shutdown. To manually power the AMX240 off, twist the Pilot Volume knob to the full counter-clockwise position until the detent is felt/heard. To manually power the AMX240 on following a manual power off, twist the Pilot Volume knob clockwise out of the OFF detent.
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ADDITIONAL FUNCTIONS INTEGRATION WITH AVIDYNE IFDs The AMX240 is designed for tight integration with the Avidyne Integrated Flight Displays (IFDs). When connected to an IFD, the AMX240 enables Com frequency decoding and frequency monitoring of the two transmit and four receive channels of the IFD com radio. This means that the active Com frequency and agency name are displayed on the IFD so you always know with whom you will be talking when you transmit.
INTERCOM The AMX240 intercom is a 6-place high-fidelity stereo or mono intercom with automatic voice-activated (VOX) squelch for each mic input. As described earlier, dedicated knobs for the pilot, copilot and passenger intercom volumes allow for full customization for personal preferences without relying on headset volume controls.
Unswitched #3 and #4 inputs are always presented to the crew headphones and to the aircraft speaker. Unswitched Input 1 2 3 4 5 (jack) Hear in Fail Safe Yes No No No No Hear in Crew Headset Yes Yes Yes Yes Yes SPKR button Select No Yes No No No MARKER BEACON The Outer marker will light up the “O” lamp and present a 400 Hz dash tone. The lamp and tone flash on/off at a rate of 2 tones and flashes per second. The Middle marker will light up the “M” lamp and present a 1300 Hz alternating dot and dash tone.
AUXILIARY INPUTS ADF audio, if wired, will be heard on MON 1. DME audio, if wired, will be heard on MON 2. MON 1 and MON 2 will both be heard at the same time if both buttons are selected. Note that MON 1 and MON 2 are connected either to the standby audio output from the radio OR the ADF/DME so you will not hear both the COM standby and ADF or DME. HF audio, if wired, will be heard via the wired Telephone button.
Music Overview Note: “Rear connector” in the above diagram refers to the rear of the audio panel, not the rear seat music connector. Changes to the Music Distribution Function are activated by holding Music (♫) button until the audio mode annunciation plays. Repeat to cycle to the next mode. The two modes available are: • • Standard Music Distribution Music One All Headsets The power-on default mode is the last mode selected prior to the previous power down.
Standard Music Distribution Configuration Music 1 is only available to the pilot and co-pilot in the “Standard” mode. The intercom mode switch doesn’t have any affect on the music distribution. When the music is standard, Music 1 will always go to the pilot and co-pilot positions, and is never heard by the passengers. Music 2 is always heard by the passengers, and never heard by the pilot and co-pilot. Music 2 will never mute, including during crew radio transmission out of the cockpit.
When “Music One All Headsets” is selected, Music 1 (from the rear connector input, Pins J2 23 & 24 only) is distributed to all headsets and is independent of the intercom mode button (ISOL). Music One All Headsets Configuration Therefore, even in the CREW mode, the passengers will hear Music 1, even though they will not hear the intercom or radios. The music muting feature follows the selected mode for Music 1 and is controlled by the front panel Music (♫) button.
BLUETOOTH® PAIRING AND USAGE To pair the AMX240 with a Bluetooth® enabled device, first ensure the AMX240 is powered on and then from the Bluetooth® enabled device (e.g. cell phone), search for other devices and select the AMX240 when it appears in the list. If an access code is required, enter “0000” to connect to the AMX240. When paired, the AMX240 should be able to make and receive calls with the audio directed through the audio panel and stream music.
FRONT PANEL JACK- “SMART JACK” This jack has the ability to stream music (audio in), stream unswitched audio (audio in) or interface cell phone audio. Music Input Front panel music input jack is 2.5mm-able. Any standard music device will work. This audio will be considered “Front Panel Music Jack” and not Music #1 (hard wired). If nothing is plugged into Music #1 (hard wired) then the “Front Panel Music Jack” will be the primary music input for pilot & copilot and will mute accordingly.
BRIGHTNESS AND LIGHTING CONTROLS Text backlighting is controlled through the aircraft dimming bus. The buttons are backlit with white LEDs which change to green when mode is active, except as noted. NOTE AMX240 Appears Off Using the manual cockpit dimming rheostat presents a possibility of the dimmer being turned only up a little ways during day light operation that would appear to turn off all of the indication lights.
PLUG AND PLAY DETAILS The AMX240 is plug & play compatible with: • Garnin GMA 340; • PS Engineering PMA8000; • PS Engineering PMA8000B; • PS Engineering PMA8000BT; • PS Engineering PMA8000B/BT/MP3 for Avidyne R9; • PS Engineering PMA8000C; • PS Engineering PMA5000EX. This means it can literally be installed in one of those trays and no further action or wiring is required but some functions may be missing without adding wiring or are not supported.
This table indicates functions where extra wiring may need to be added to the AMX240 tray if that function is desired. An “X” in the block indicates the optional function that may need extra wiring if replacing a legacy audio panel with the AMX240. See the AMX240 Installation Manual for details.
INDEX Abnormal Operations, 22 Fail Safe, 22 Automatic Squelch Control, 2 Auxillary Inputs, 16 Bezel Controls and Modes, 2 Co-pilot/Passenger Volume, 3 Intercom Isolate, 9 Marker Beacon, 8 Monitor, 6 Music, 10 Mute, 8 Nav, 6 Pilot Volume, 2 Replay, 11 Speaker, 7 Split, 5 Transceiver Selection, 3 Telephone, 10 Bluetooth Pairing and Usage, 20 Brightness and Lighting, 22 Front Panel Smart Jack, 21 Functional Overview, 1 Integration with Avidyne IFDs, 13 Intercom, 14 Low Temperature Operations, 21 Marker Beacon,
Website There is a website that provides more information on this product at http://www.avidyne.com/products/amx240/index.asp 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/AMX240/index.
