Utility Jack; Audio Advisory Input; Music Input; Smart Function Keys (Sfk) - PS Engineering PMA8000C Operation Manual

(Continued from page 6)

Utility Jack

The 2.5 millimeter (3/32") jack on the front of the PMA8000C serves two
functions, and advisory audio input and Music input (wired).

Audio Advisory Input

The front jack can be used as a priority advisory input for auxiliary systems
such as a GPS terrain advisory or portable traffic watch system. To prevent
radio or intercom from muting this input, press the "Mute" button.
NOTE: The front jack is no substitute for the certified installation of alerts
such as the GPS waypoint or autopilot tones. These still must be hard wired
into the back by your installer.
"Smart Jack" Function
When the PMA8000C has an audio signal on music #1 from the rear connec-
tor, the front panel jack automatically becomes a Priority Advisory input,
and is heard in the crew headphones, and this input will NOT be muted by
radio or intercom., if the Music 1 audio is actively playing.

Music Input

When used as a music input, the front panel jack (and Bluetooth) music are
treated as Music #1. Using the Music function button, it can be distributed to
all users, depending on the intercom mode.

Smart Function Keys (SFK)

With voice feedback, the configuration process is self-directed. These func-
tions are non-essential and non-required and as such are only an accessory
capability. Note: annunciations will be stopped by any audio received on the
com radio selected for transmit.
Looking at the front panel you'll notice that the COM 3, AUX, MUTE and
SPR buttons have "Function" assignments.
To use these function keys Intercom, Monitor, and Music – press and
hold the desired function key until the audio annunciation of the mode be-
May 2015 PMA8000C Pilot Guide
202-890-0303 Page 15