Chapter 3: SYSTEM OPERATION OUTLINE
5. EXTErNAl ATTENuATOr cONTrOl TErmINAl OPErATION
3-7
5. EXTERNAL ATTENUATOR CONTROL TERMINAL OPERATION
Both the VX-200SZ and VX-200SP are equipped with control terminals that enable them to bypass external
attenuators. Depending on the system operation status, the External Attenuator control terminals work in either
the "Valid" (N2 - c terminals closed) or "Bypassed" (N1 - c terminals closed) mode.
5.1. Operation
The External Attenuator control terminals are switched to either the "Valid" position or "Bypassed" position
depending on whether broadcasting is being made or broadcast modes.
When paging from a remote microphone or EV message broadcast is made, the attenuator control terminals
are switched to the "Valid" position, permitting the broadcast to go through at full (attenuator-bypassed) volume.
STANDBY
PA BUS
VX-200SZ
PA
LINK
RUN
SET
H
SP
OU
T
CH
PA
IN
C
N1
N2
C
AT
T
CTR
L
N1 (Normally open, external attenuator "Bypassed" position)
C
N2 (Normally closed, external attenuator "Valid" position)
[VX-200SZ]
Notes
• BGM refers to input sources designated by the PC software as "Used as BGM."
• The attenuator control terminals are set for the "Bypass" position (N1 - C terminals closed) while the CPU is
off.
• For connections to external attenuators, refer to
.
Broadcast
Broadcast mode
External Attenuator control Terminals
ON
BGm broadcast
Valid (N2 - c terminals closed)
Paging broadcast
EV broadcast
Emergency broadcast
Bypassed (N1 - c terminals closed)
Off
Bypassed (N1 - c terminals closed)
Содержание VP-2241
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