3.1.8 PILOT RX MONITOR
These four switches indicated COM1, COM2, FM1 and FM2 allow the Pilot to monitor the
Receivers - independant of the setting of the Transceiver SELECTOR (3.1
.1
2). Any number or
combination may be used at the same time.
3.1.9 PILOT TX INDICATOR
This LED indicator indicates that the audio received from the Pilot Microphone and the transmit
signal (PTT), after keying the PTT button, is being routed to the Transceiver selected via the
Transceiver SELECTOR
(3.1.12).
3.1 .10 PILOT INTERCOM VOLUME CONTROL
This knob controls the Pilot’s intercom volume level. Fully clockwise being the maximum
volume level and counter-clockwise the minimum. This control may have an affect on the
Passenger headset volume, depending on the position of the Passenger Headset Amplifier
Source switch (3.2.10
- Figure 3-2).
3.1 .1 1 PILOT RX (TRANSCEIVER) VOLUME CONTROL
This knob controls the Pilot’s Transceiver volume level. The Audio at this point is selected from
any combination of the RX Monitor switches
(3.1.8),
and the Transceiver SELECTOR (3.1 .1 2).
Fully clockwise being the maximum volume level and counter-clockwise the minimum. This
control may have an affect on the Passenger headset volume, depending on the position of the
Passenger Headset Amplifier Source switch
(3.2.10 - Figure 3-2).
3.1.12 PILOT TRANSCEIVER SELECTOR
The setting of this switch determines which Transceiver will transmit the incoming Pilot’s
microphone audio and which Receiver the Pilot’s headset will monitor, independant of the RX
Monitor (3.1.8) switch settings. The setting also determines which transceiver will be keyed
by the PTT switch of the Microphone.
3 . 2
C O N F I G U R A T I O N S W I T C H E S A N D C O N T R O L S
The TAC-200A Audio Controller has been designed to be configurable upon installation without
the need to open the unit. All controls and/or selections are made via the switches on the left,
right and top side of the chassis lid.
A complete definition of the controls are given in
Figure 3-2.
3.2.1 DIRECT AUDIO DESTINATION
The TAC-200A has a direct audio input which can be routed directly to either the Co-pilot or
Pilot output amplifiers. The switch determines the recipient of the DlRect audio in signal. The
Passengers may also be recipients of the audio depending on the setting of the Passenger
Headset Amplifier Source switch (3.2.10).
3 - 3
