Oxygen 7Oxygen 7 - TELCO MODULE
Pag. 44
9.6 MODULE OPTIONS AND JUMPER SETTINGS
The TELCO module can be configured in a number of different ways
depending on the jumper options set on the JUMPER SET area:
When closed, the AMPLIFIER jumper allows for extra-amplification on
Receive signal. The recessed trimmer allows You to adjust the level.
When closed, the LIMITER jumper enables a Limiter internal stage. The
purpose of the limiter is to provide control over the hottest peaks in the
signal. Limiter is not user-settable and acts when signal goes over 6 dB.
When closed, the NOISE GATE jumper enables an internal Noise Gate
circuit so that as the signal level drops below the -60dB threshold, the signal
is muted.
When closed, the TB (to) STUDIO-SUB jumper put the signal from the pre-
fade section of the module (i.e. the caller voice) onto the TalkBack Studio
audio Bus and allows it to be output on the Studio Monitor section (see
MONITOR module).
Please refer also to TB Route settings on the Master Module.
When closed, the TB (to) C.ROOM jumper put the signal from the pre-fade
section of the module (i.e. the caller voice) onto the TalkBack Ctrl Room
audio Bus and allows it to be output on the Control Room Monitor section
(see MONITOR module).
Please refer also to TB Route settings on the Master Module.
When closed, the REC SEND jumper put the Send signal (i.e. the mix-minus
signal) onto the REC OUT socket.
When closed, the REC RECEIVE jumper put the signal Received from the
telephone line (i.e. the caller voice) onto the REC OUT socket.
When closed, DUCK MIX jumper makes the signal from the pre-fade section
controlling the ducker circuit (with the module ON). The signal to be
attenuated by the ducker are determined by the local Duck switches. Please
refer to Chapter 6.
When the PFL MUTE VCA jumper is closed, the PFL key toggles the module
ON and OFF. In particular, when PFL is activated the module is OFF and
viceversa.
When the C.ROOM MUTE jumper is closed, the action of moving the fader
away from its down position is associated to the cut-off (or the selective
fading) of the C.ROOM SPK output on the MONITOR module. CUT led on
the MONITOR Ctrl Room section illuminates accordingly.
When the STUDIO MUTE jumper is closed, the action of moving the fader
away from its down position is associated to the cut-off (or the selective
fading) of the STUDIO SPK output on the MASTER module. CUT led on the
MASTER Studio section illuminates accordingly.
When the RELAY 1 jumper is closed, relay switch #1 inside the Power
Supply closes when the fader is moved away from its down position. This
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