Cctm Commands In The Audio Category - Tait TM9100 Service Manual

Table 4.3

CCTM commands in the audio category

Command
Audio category
20 – Mute received audio
Forces muting of the received
audio signal
21 – Unmute received audio
Forces unmuting of the received
audio signal
22 – Mute microphone
Mutes transmit modulation
(effectively mutes microphone
audio)
23 – Unmute microphone
Unmutes transmit modulation
(effectively unmutes microphone
audio)
74 – Audio PA
Controls the state of the audio PA
(and hence enables or disables the
speaker)
110 – Audio volume
Sets the level of the audio volume
138 – Select microphone
Selects the microphone required
323 – Audio tap in
Generates the audio tone
AUD TAP IN
at the specified tap point
324 – Audio tap out
Outputs the audio signal at the
specified tap point to
AUD TAP OUT
TM9100 Service Manual
© Tait Electronics Limited August 2005
This implies that the radio has entered CCTM. If the attempt
fails, repeat Steps 1 to 3.
Entry at keyboard
20
21
22
23
74 x
where x is the required state
(0=stand-by, 1=on, 2=mute)
110 x
where x defines the required level
(any integer from 0 to 255)
138 x
where x is the required microphone
(0=control-head microphone;
1=auxiliary microphone)
323 x y
where x specifies the tap point
(r2, r5, t1 or t5) and y the tap type
(A=bypass in, B=combine, E=splice)
(the default is A when y is omitted)
324 x y
where x specifies the tap point
(r1, r2, r3, r4, r5, t1, t2, t3 or t7)
and y the tap type
(C=bypass out, D=split, E=splice)
(the default is D when y is omitted)
Usage
Response on screen
None
None
None
None
None
None
None
None
None
General Information 113