
C O N T R O L P A N E L
page 3 – 4
D-9 / Oct 2003
Studio Section
In addition to the control room, there may be one or two studios in which
one or more performers will be assembled, usually with microphones so that
their voices can become part of the mix. Speakers may be provided in the
studio to allow the talent to listen to the various control surface bus outputs
at times that they are not actually on air. These speakers are fed from one of
the control surface’s stereo studio outputs.
As in the control room, the potential for feedback also exists in the
studio. The talent microphones will usually provide a part of the signal that
is going out over the air. If that signal is the one being monitored with the
studio speakers, feedback will occur. To prevent this, the studio mic faders
are usually set to MUTE the studio output in the configuration software to
prevent the occurrence of feedback.
ST SET BUTTON - lets the operator select the source to be listened to
in the studio.
ST DISPLAY - the eight character display shows the source that is
selected for monitoring in the studio.
ST LEVEL CONTROL - determines the overall loudness of the signal
being monitored as it appears in the studio speakers.
DIM BUTTON - lets the operator “dim” the studio speakers (drop in
level). Actual DIM level is set by the DIM encoder at the top of this panel.
Note the DIM function also affects the talkback interrupt. Note also if the
studio is muted, talkback cannot be heard. However, if the studio is dimmed,
talkback audio could presumably make it from the studio monitor speakers
to the open studio mic.
TALKBACK (TB) BUTTON - there may be times when the control
surface operator wants to talk to one of the talent in the studio. When the TB
button in the studio monitor section is pressed, a predefined signal, usually
the operator’s mic, will “interrupt” the speaker feed that is normally heard
in the studio.
If there is a live mic in the studio which has activated the mute feature,
talkback will also be muted in the speakers.
On the top right corner of the EFS control panel is the TB GAIN master
level control that sets the talkback output and the level of the talkback
interrupt signal. The normal studio feed, which is interrupted by the TB
signal, will fall to a level set by the DIM control.
Headphone Section
HDPN SET BUTTON - lets the operator select the source to be listened
to in the headphone.
HDPN DISPLAY - the eight character display shows the source that is
selected for monitoring in the headphone.
HEADPHONE LEVEL CONTROL - determines the overall loudness
of the headphone output signal.
DIM BUTTON - lets the operator “dim” the headphone output signal
(drop in level). Actual DIM level is set by the DIM encoder at the top of this
panel.
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