PS Engineering PMA8000BT - Manual (Page 12)

Page 12 202-890-0702 PMA8000BT Pilot Guide Rev. 4
Music Muting
Music source #1 (front panel jack and Music 1 input) has four muting
modes, which are announced in the headset as they are activated.
These are: Radio Mute (aircraft radio mutes music), Intercom Mute
(intercom conversation mutes music), Mute on (both radio and inter-
com mutes music), and Mute off (nothing interrupts music). Press the
Mute button to cycle through the modes in sequence.
Music #2 has muting on or off, and is externally controlled.
Music in pilot isolate mode
The pilot can elect to listen to Music 1, even in the Pilot Isolate mode.
While already in the ISO mode, press and hold the TEL (function)
button, and press the ICS button. The ICS indicator will blink every
few seconds to indicate this mode is active.
Function Configuration
Functions A, B, and C give the PMA8000BT some special capabili-
ties.
Function A allows the passengers and crew to converse, in ALL in-
tercom mode, without distracting the crew from radio duties. The pas-
senger microphones are cut out from the crew when the radio is ac-
Function A
AUX
Function B
MUTE
Function C
SPR
Alternate Intercom
Mode
Monitor Mode Music Distribution
State 1 State 2 State 1 State 2 State 1 State 2 State 3
Alternate
Intercom
Function
Standard
Intercom
Function
Monitor on Monitor off Standard
music
distribution
Alternate
music
distribution”
Music 1 all
headsets
Annunciation LED Intercom Radio
“Mute on” on Muted Muted
“Mute off” off ♫ ♫
“Radio mute” off ♫ Muted
“Intercom mute” off Muted ♫