AA9x Series Single Channel Audio Controller
SM56 Installation and Operation Manual
May 22, 2012 Rev: 2.00 Page 3-2
ENG-FORM: 806-0100.DOTX
CONFIDENTIAL AND PROPRIETARY TO ANODYNE ELECTRONICS MANUFACTURING CORP.
3.3 Controls and Indicators
In all AA9x controllers, transmit and PA functions are controlled with a single rotary selector switch, or (in
some configurations) with the TX/PA Select switch. The main receive volume, ICS volume and ICS VOX
squelch are individually adjusted with rotary controls. The ICS operations and receive audios are selected
using color-coded toggle switches. In the AA95 and AA97 controllers, individual receive audio is selected
with color-coded toggle switches. In the AA96 and AA97 controllers, individual receive volumes are
adjusted using rotary controls.
3.3.1 Receive Audio Select Switches
Figure 2: Receive Audio Select Switches
The transceiver receive audio select switches (white switch bats) are two position switches. When set to
the ‘up’ position, the respective transceiver receive audio is selected on. When set to the ‘down’ position,
the respective transceiver receive audio is selected off.
The NAV receive audio select switches (blue switch bats) are typically three position switches. When set
to the ‘up’ or ‘down’ position, the respective NAV receive audio is selected on. When set to the ‘center-off’
position, the respective NAV receive audio is selected off.
The master receive volume control (RX VOL) adjusts all receive audio concurrently from 1% to full. It is
important to set the individual radio volume controls to a nominal level and then use the master receive
volume on the audio controller to adjust for changing flight conditions.
Radio Specific Volume Controls
(AA97 only)
Transceiver
Receive
Audio
Switches
NAV
Receive
Audio
Switches
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