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9800 Martel Road
Lenoir City, TN 37772
www.ps-engineering.com
PMA450B
Audio Selector Panel
With
Multi-Bluetooth® Connectivity
Marker Beacon Receiver
IntelliVox® Intercom, IntelliAudio®
flightmate®,
USB-C Charging System
and PS Streamer
Pilot's Guide
and
Operation Manual
202-450-0600
Revision 9
July 2021
For use with Serial Number T45B2103 and above
Covered under one or more of the following Patents
4,941,187; 5,903,227; 6,160,496; 6,493,450; 7,391,877
FAA-TSO C139a, C35d, C71
Flying never sounded so good ®
July 2021
PMA450B Pilot Guide
202-450-0600
Page 1
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Summary of Contents for PS Engineering PMA450B
- Page 1 For use with Serial Number T45B2103 and above Covered under one or more of the following Patents 4,941,187; 5,903,227; 6,160,496; 6,493,450; 7,391,877 FAA-TSO C139a, C35d, C71 Flying never sounded so good ® July 2021 PMA450B Pilot Guide 202-450-0600 Page 1...
- Page 2 Music Volume Nav Audio Selection PS Streamer Public Address Recall functions Renaming Inputs Recorder & Playback Screen Adjustments Speaker Split Mode Swap Mode Timer Operation User Setup Menu Volume Wired Satellite phone Page 2 Rev. 9 202-450-0600 PMA450B Pilot Guide...
- Page 3 Starting from the left is Volume Control and on/off (or Emergency—Fail Safe). Pushing the knob turns the PMA450B off or on. It will come on when the avionics master is turned on. When the unit is turned off, the fail safe circuit will connect your pilot headset directly to COM 1.
- Page 4 COM 1. Push the C2 (COM 2) RCV button (3). Its green indicator will light. Here’s a hint. The PMA450B will remember when you were listening to a radio only, and keep listening as you select it for transmit, and then switch back when the XMT is deselected.
- Page 5 This allows you to get weather information while the ATC communica- tion will instantly mute the weather broadcast. To toggle the Monitor mode on and off, click the IntelliAudio button until MONITOR appears. The radio indicator selected as monitored will blink. July 2021 PMA450B Pilot Guide 202-450-0600 Page 5...
- Page 6 SPR button is selected. Consult your profes- sional avionics installer for these important configuration details. Public Address Function To access PA function, press and hold the N1 button for more than 1 second, until the display adds PA. Page 6 Rev. 9 202-450-0600 PMA450B Pilot Guide...
- Page 7 The next beacon received will be heard. Marker Beacon sensitivity can be changed from Low to High sensitiv- ity by pressing and holding the July 2021 PMA450B Pilot Guide 202-450-0600 Page 7...
- Page 8 Hold the MKR button again to set to Low sensitivity. Intercom Operation (8) The PMA450B uses our patented IntelliVox® squelch control. It is complete- ly automatic. Through individual signal processing, the ambient noise ap- pearing in all six microphones is constantly being sampled. Non-voice sig- nals are blocked.
- Page 9 PMA450B can be installed monaurally by using the LEFT audio connections only (left side contains Fail-Safe audio). Do NOT short left and right together. NOTE: Mono headsets that short the tip and ring (i.e. older models) will introduce some audio distor- tion when used.
- Page 10 Okay, now the person in the copilot seat does not wish to interact with the aircraft operation. When you configure the PMA450B as “Copilot as Passen- ger,” the intercom station wired as copilot will be a passenger only. To enable the Copilot as PAX Mode, press RADIO-ICS→...
- Page 11 •Radio – Radio will mute music, but intercom will not mute music. The PMA450B defaults to Mute ALL when turned on, unless Mute Recall mode is enabled in setup (See page 18). In addition to the panel mute menu, a remote switch may be installed to al- low the passengers local access to their Mute Off mode.
- Page 12 Entertainment line-select button, while in the ISO mode. Bluetooth® connections The first thing to know is that the PMA450B with a PS Streamer (Part Num- bers 050-450-0601 and -0701) has two Bluetooth Modules, (BT1 and BT2 by default).
- Page 13 This is normal and will result in the device remaining connected when the auto connect process is completed. If two iOS devices are paired and connected to the PMA450B, and one of them does not auto connect on the next power cycle (perhaps it isn’t in the airplane, or the Bluetooth is turned off), it will be ignored until it is recon- nected manually.
- Page 14 Wired telephone/Satcom mode The PMA450B can accommodate a wired telephone input as well as a Blue- tooth connection. However, only one can be active at a time. The Bluetooth icons are absent from the wired menu.
- Page 15 Recorder and playback (3) The PMA450B has an internal recorder. This digital system stores the last incoming audio from the radio you have selected for transmit. It can store as many as 8 incoming messages, and up to 45 seconds of audio. The pilot and copilot hear the playback.
- Page 16 Press the line select for the desired item Turn the small, inner knob to change the brightness as desired. Cycle the PMA450B power to exit setup screen. Display Timeout This is a feature that allows the user to adjust how quickly the screen menus timeout (revert to main menu) and can be configured from 1 second to 30 seconds by turning the inner knob.
- Page 17 Cycle the PMA450B power to exit setup mode. IntelliAudio® Configuration (Com Audio Location) The spatially-processed dimensional sound in the PMA450B is adjustable to accommodate your personal preferences. This adjustment allows the radio audio inputs to be “relocated” on any of nine (9) defined “Head Related Transfer Function”...
- Page 18 This setting is remembered by the audio panel. Bluetooth Setup (BT1 and BT2) There are two Bluetooth modules in the PMA450B. There are three Bluetooth 1 functions that can be changed in the user setup screen, Unpair All, Pair PIN code, and device ID.
- Page 19 Owners who want the PMA450B to remember the last music mute state can set the “Recall Mute.” The intercom mode options Standard, Alternate Intercom and CPX mode set can “Recall ICS” in the user setup menu. Volume Adjustments The Marker Beacon receiver Switched receiver and speaker audio volume can be adjusted from the menu.
- Page 20 You cycle power on the audio panel to exit setup screen and return to normal operation. NOTE: These messages are strictly supplemental and pilot option, and shall not replace any existing alerts in the aircraft. Page 20 Rev. 9 202-450-0600 PMA450B Pilot Guide...
- Page 21 PS Streamer Operation The PMA450B is equipped with a PS Streamer audio module. This module provides a Bluetooth® output of selected signals from the audio panel. These can be streamed to devices such as a GoPro Hero 3 or 4 equipped with a SENA GP10 adapter or other compatible de- vice.
- Page 22 NOTE: If the device has not paired in about a minute, press “Cancel” on the PMA450B. Wait 2 seconds, and press “Pair” again. Repeat until the device connects. Streamer Streamer &...
- Page 23 The volume of the radio output to the PS Streamer module can also be adjusted, press Radio-ICS ➔ More ➔ ➔ Streamer Volume, and use the small knob to set the level. We recommend starting at 10, the highest level. July 2021 PMA450B Pilot Guide 202-450-0600 Page 23...
- Page 24 All domestic transportation charges for returning the exchange or repaired unit to the purchaser will be borne by PS Engineering, Inc. The risk of loss or damage to the product is borne by the party making the shipment, unless the purchaser requests a specific method of shipment. In this case, the purchaser assumes the risk of loss.
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