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12
GE N E R AL IN TERFACES
in. When the unit is operating as a STUDIO EXPANSION SLAVE, if one of the MASTER unit's
studios is routed to the transmission path, STUDIO 1 LED will always be illuminated. If one of
SLAVE'S studios is selected, the MASTER unit's studio indications will all be extinguished.
CONTROL PANEL LEDS
Each of the control panel connectors has the ability to switch on four LEDS. In the case of
the S2-MTBS and the RB-OA3R, the LEDS are built into the buttons.
OFFER
This LED is used to show whether the system is currently in OFFER mode. This LED is
illuminated while the unit is on offer and extinguished otherwise. If this LED flashes this
means that the unit is currently in SUSTAIN ACTIVE mode.
ACCEPT
This LED is illuminated if the studio is currently on the transmission path. In SUSTAIN ARMED
mode this LED will flash repeatedly until the specific studio is selected. The ACCEPT LED will
always flash to indicate SUSTAIN ARMED mode.
DELAY
This LED is used to show whether the studio has activated a delay pulse. It is illuminated
when a delay pulse is activated.
DUMP
This LED is used to show whether the studio has activated a dump pulse. It is illuminated
when a dump pulse is activated.
EMERGENCY MODE
If the MASTER loses contact with any of the SLAVES, the SLAVES will enter emergency
mode. In emergency mode all the LEDS except the power led will flash repeatedly until
contact with the master is re-established.
Operational Modes
OFFER
If a studio is transmitting, this mode is used to offer the transmission path to other studios.
When the OFFER button is pressed, the OFFER button in all studios is illuminated. This
unlocks the operation of the ACCEPT button in all other studios. To remove this mode,
simply press the OFFER button again. Pressing this also switches the current studio to the
LSO bus.
ACCEPT
This mode is used to accept the transmission path. To do this, press the ACCEPT button once
the offer has been made. Once the studio has accepted, this switches the OFFER, DELAY,
DUMP and SUSTAIN functions to that studio.
SUSTAIN
This mode is used to switch to a sustaining service, for example, a PC automation system,
which conventionally wouldn't be in its own studio and would therefore need external
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Redbox User Handbook No 3
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