
PS Engineering
PMA450 Audio Selector Panel and Intercom System
Installation and Operator’s Manual
200-450-0000
Page 2-9
Rev. 6, Dec. 2015
The three inputs are from top to bottom:
1. Switched input #1 J1, Pin 7 wrt Pin 8 (Default ADF)
2. Switched input #2 J1, Pin 21 wrt Pin 22 (Default DME)
3. Switched input #3 J1, Pin 23 wrt Pin 43(Default AUX)
NOTE: In PMA 450 -0200 (No Marker) Switched #1 , #2 or #3 can be renamed to MKR for a re-
mote input.
The customer will have access to rename. Maximum 9 letters per line and
A thru Z & 0 thru 9
will be avail-
able.
Press the line select for desired input.
Turn the large outer knob to select the letter to change. A cursor appears under the active letter po-
sition.
Turn the small, inner knob to increment or decrement the letter.
You can select 9 alphanumeric digits.
To add a blank space:
o
Blank spaces can’t be added to the end of a strink, but you can add a temporary character
and go back and change it to a space:
o
TACARADIOA1
o
Change extra “A”s to spaces TAC RAD 1
It will stay in this screen until the menu times out and returns to the adjustment home screen.
Cycle PMA450 power to exit the setup screen.
2.6.3
Bluetooth® menu
The Bluetooth menu allows the user to:
Reset (remove) all paired devices
Set or disable a pairing pass code
Change the PMA450’s device ID
2.6.3.1 Un-pair All (Resets Bluetooth)
Pressing the line select next to Un-pair All removes all Bluetooth devices. This is used when the pairing of
devices becomes unreliable.
2.6.3.2 Pair:
This allows the user to set any desired pass code that users will use to pair Bluetooth devices. Four digits, 1
to 9 can be used.
2.6.3.3 PIN Disable (Version 2.012 and above only)
Some phone will not pair is a Personal Identification Number (PIN) is required. To disable the PIN:
Enter configuration menu, select Bluetooth.
Select PIN code for editing. Press PIN button one more time.
“Bluetooth Reset” will appear on screen. When the menu returns, the PIN code will report “Disa-
bled”.
To re- enable the PIN code for a different device, press the PIN button.
2.6.3.4 “Bluetooth Reset” will appear on screen. When the menu returns, the last stored PIN
code will be shown.ID:
This allows the user to set the name of the audio panel as it will appear on devices searching for the
PMA450. Seven alphanumeric digits are available. Factory default is PMA450, but you could set “N1245,”
or “Skyhawk, as an example.”
2.7 Communications Antenna Installation Notes
For best results while in Split Mode, it is recommended that the one VHF communications antenna is locat-
ed on top of the aircraft while the other communications antenna is installed on the bottom. Any antenna