AEQ DIGITAL COMMENTARY UNIT Customer's Manual page 26

2.4.2.1 Commentator panel functions
The figure in the left column shows the different controls associated to
each one of the three commentator channels : COM 1, COM 2 and COM 3 /
PRODUCER.
enabled or disabled at the CCU.
• INTERCOM TECH. Holding down this
push button enables the commentator
to talk to the technician at the CCU
using the local T' back circuit. While
pushed,
disconnects the commentator from the
Program On-Air circuit. Therefore the
operation is PTT mode (push to talk).
The first time this push button is
depressed, it generates an incoming
call ring signal at the CCU side. Once
the technician establishes the local
T' back circuit (answering the call), the
push button works in push to talk
(PTT) mode. This situation remains
valid until the technician releases the
local T' back circuit.
NOTE: If the CCU control technician
calls to the CU, in addition to ring in
the earphones, a blinking signal on
the
appears. To stop the blinking is
necessary to answer the call by
pressing the TECH button on any
channel.
• INTERCOM STUDIO: Holding down
this
commentator to talk to the studio
producer
coordination circuit. While pushed this
control temporarily disconnects the
commentator from the Program On-Air
circuit. Therefore the operation is PTT
mode (push to talk). The access of the
each of the commentary channels to
the
Digital Commentary System
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this control
Commentator 1
push button
by means
coordination circuits
temporarily
TECH LCD
enables the
of the
can be