Northern Airborne Technology AA85 - Manual (Page 58)

AA85 InterVOX II™ Intercom Manual SM38 Rev. 4.10
3.3.6
Music Mute Functions
3.3.6.1
ALL Mode
In ALL mode, music audio will mute at all positions when any crew member ‘Keys’ the
radio. All positions will also mute whenever aircraft radio audio is present or if the ICS
is active.
3.3.6.2
Crew Mode
In CREW mode, music audio will mute at both crew positions whenever the pilot or
copilot ‘Keys’ the radio; when aircraft radio audio is present; if the crew ICS is active; or
if the ICS Tie Line is active. Passenger music audio will mute only when the passenger
ICS is active.
If Crew Music Mute has been configured at installation, the music for the crew is muted
automatically when CREW mode is selected.
3.3.6.3
PLT ISO
In PLT ISO mode, copilot and passenger music audio will not mute when the pilot ‘Keys’
the radio or when aircraft radio audio is present. Passenger music audio will not mute if
the copilot ‘Keys’ the radio, but copilot music audio will mute. Both copilot and
passenger music audio will mute during all ICS operations.
3.4 Intercom Adjustments
These adjustments are not accessible with the unit installed. They should only be
carried out at an approved dealer, BY FULLY QUALIFIED PERSONNEL.
3.4.1 Receive Level
Separate trimpots control the minimum volume level of receive audio for the passengers
and crew. The crew setting cannot be fully muted. The passenger level can be fully
muted if desired.
3.4.2 Music Mute
The music mute level sets the volume that the music will drop to during a music mute
condition. There are separate levels for the crew and passengers.
End of section 3
Page 3-4 Jun 9, 2004
ENG-FORM: 806-0106.DOT
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