Northern Airborne Technology AA12S-600 - Manual (Page 15)

AA12S-600 Compact Stereo Audio Controller
SM84 Installation and Operation Manual
Section 2 Rev: 1.02 Issue 1 Page 2-5
ENG-FORM: 805-0121.DOT
CONFIDENTIAL AND PROPRIETARY TO NORTHERN AIRBORNE TECHNOLOGY LTD.
AST OPT
Artificial Sidetone can be enabled for the COM 4/PA transceiver position by setting the AST OPT switch
to the down position.
MUS MUTE LVL
The Music Mute Level adjustment sets the level of music attenuation during radio or intercom activity.
Adjusting the MUS MUTE LVL potentiometer cw increases the depth of muting while ccw decreases the
depth of muting.
RX VOX
The RX VOX potentiometer sets the threshold at which the applicable RX audio signals are enabled onto
the appropriate user headphones. The threshold level can be set between live (fully ccw) and -8.5dB from
rated input (fully cw)
RX BAL
The summed Auto-Receive, RX, DIR and Artificial Sidetone audio can be panned left or right using the
RX BAL potentiometer.
RX VOL
The volume level of the summed Auto-Receive, RX, and Artificial Sidetone audio can be adjusted using
the RX VOL potentiometer.
DIR VOL
The direct audio volume level can be adjusted using the DIR VOL potentiometer.
MUSIC LEFT TREB
The left channel music audio treble can be adjusted ±10 dB at 15000 Hz using the MUSIC LEFT TREB
potentiometer.
MUSIC LEFT BASS
The left channel music audio bass can be adjusted ±9 dB at 100 Hz using the MUSIC LEFT BASS
potentiometer.
MUSIC BAL
The music audio can be panned left or right using the MUSIC BAL potentiometer.
MUSIC RIGHT TREB
The right channel music audio treble can be adjusted ±10 dB at 15000 Hz using the MUSIC RIGHT TREB
potentiometer.
MUSIC RIGHT BASS
The right channel music audio bass can be adjusted ±9 dB at 100 Hz using the MUSIC RIGHT BASS
potentiometer.