1 2 4
3
MAIN MAIN MAIN MAIN
EXT
3
4
6
5
EXT EXT EXT
7
EXT
MASTER
TB4759
RTB
TB 4TB 3TB 2
GAIN
TB 1
TALKBACK
1
MASTER
6 7 98
1 2 4
3
AUX
5
6 87
1 2 4
3
GROUP GROUP GROUP GROUP
GROUP GROUP GROUP GROUP
5
10
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
16
17
1918
11 12 14
13
AUX
15
20
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
AUX
TRACKS STUDIO
1 2
EXT EXT
8
EXT
1
PRESEL
MASTER
2
MASTER
2
PRESEL
Talkback is available to all groups, mains,
auxes and 8 external sources (via relay
switching) using the buttons on this panel.
Talkback is also available to direct outputs
and individual tracks using the buttons on
the channel control panels, Input/Output
panel and Routing panel.
MASTER 1 and 2 operate all the TB
buttons which have been pre-selected by
the respective PRESEL button.
Talkback inputs are patched using the
Options - Mon I/P & TB screen.
All Talkback buttons are subject to On-Air
inhibits, set up on the Options - TX/REH
screen.
The GAIN control sets the level of the
talkback microphone.
TB1 to TB4 set the level of 4 RTB
(Reverse Talkback) signals.
There can be a mix of all four signals to
feed a single loudspeaker. This can mix
with the PFL feed to the PFL loudspeaker.
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