Toa AX-1000A, Руководство по эксплуатации

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14. External Mute; EXT. : Using the 900 Series Module Mute Bus
Configuration 2 : Using Mute Receive Modules
The Muting Mode Select on the rear-panel allows a choice of Internal Mute; INT. or External Mute; EXT. When set
for External Mute; EXT., only 900 Series Mute Receive modules respond to the contact closure. Other modules
continue to function normally.
This is because the AX-1000A rear-panel Mute Terminals have been connected to module bus 2, the 900 Series
mute bus. For example, a Mute Aux Module will drop the line input signal 60 dB below its normal level.
900 Series
Modules with an "11" in their number are Mute Receive modules. Note that in this case, the Direct Output mutes
also.
Normally, this confers no advantage over the Internal Mute; INT. However, the Mute or Mute Mic Module can be
configured to turn on in the presence of the mute command. There are some installations where certain mic
input(s) must be turned on, and others turned off, in response to a contact closure across the a Mute Terminals.
Configuration 2: External Mute; EXT. Signal Output Chart
DIP Switch has no effect. Modules respond to Mute command if and only if they are "Mute Receive".
When System Mute contact closure is received:
MODULES:
DIP
SWITCH
POSITION:
TO MIX BUS
Output ?
DIRECT OUT
LOGIC OUT
1
2
3
4
5
6
7
8
Mic
Mic
Mic, mute to 'on' *
Mic, mute to 'off **
Aux with Mute
Aux with Variable Mute ***
Aux
Line Matching
* Configured to turn 'on' in response to Module Bus mute command
** Configured normally, turns 'off' in response to Module Bus mute command
*** Variable mute module with fade; set to attenuate 20dB.
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