Owner's manual

PS Engineering
Radio Adapter (12100) Series Interface
Installation Manual
200-002-0002 2-5 Rev. 5, Feb. 2009
The following adjustments are available, and marked on the silkscreen:
VR1 Mic Amplitude Control
VR2 Sidetone Adjust
VR3 Audio Output Adjust
The following switch positions are available to configure the unit for specific trans-
ceiver types.
S 1
Switch 1
ON if 8 microphone
Switch 2
ON if microphone
direct connect
Switch 3
ON if amplified mic
Switch 4
ON if Mic output
ground referenced (or
8)
S2
Switch 1
Not Used
Switch 2
ON for 150 mic
Switch 3
ON for 8 mic
Switch 4
ON for 150 mic
S 3
Switch 1
Not Used
Switch 2
ON for 150 speaker
Switch 3
ON for 8 speaker
Switch 4
ON for 150 speaker
The JP 1 header is connected to provide internal mic bias. These are the pins closest
to the unit connector.
The JP2 header connect pins 1 and 2 if higher audio output gain is desired.