Toa AX-1000A, Руководство по эксплуатации

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15. Automatic Module Muting
Configuration 3 : Internal Mute plus Automatic Module Muting
By using 900 Series Mute Send and Mute Receive modules, two simultaneous yet independent muting schemes
are possible. Internal Mute is set to Internal Mute; INT. At least one Mute Send Module (Input) is installed, and at
least one of the following input modules are installed: Mute or Mute Mic Module; Mute AUX Module; Bridging
Module with mute; Line Matching Transformer Module with mute.
These are 'mute receive' modules. Their output is attenuated in response to Ground on the 900 Series mute bus.
(The Line Matching Transformer Module (Input) is a 'mute send' module which closes the mute bus to ground in
the presence of a line-level input signal.)
In this configuration, Module Muting is automated. If functions independently of the AX-1000A Internal Mute
system. Using the Mute Send Line Matching Transformer Module and Mute Receive "11" modules, when a signal
appears at the Line Matching Transformer's input, any "11" series module responds to the mute command sent on
module bus 2.
Thus, one collection of modules can be set to respond to a mute command originating with Line Matching
Transformer Module(s). A second collection can be set to respond to the Internal Mute, that is, a short on the
System Mute Terminals.
16. Stacking (Multiple Mixing)
AX-1000A's can be linked for up to 80 input channels (10 units). The linking cable is available separately. If you
are installing "N" number of mixers, order "N-1" linking cables (1 for 2 mixers, 2 for 3, etc.).
Decide on a Master mixer. This should normally be the one at the top or the bottom of the stack. Slide the
Master/Slave switches on all other mixers to the Slave position. The Master/Slave LED will illuminate on the
Master unit, but not on the slave units. (The position of the Master/Slave switch has no effect on an AX-1000A
operating by itself.)
Daisy-chain the Link Out on the last Slave in the series to the Link In on the next Slave. Continue linking Slaves
until all have been linked. Connect from the final Slave to the Link In on the Master. Do not connect anything to the
Master's Link Out.
Take the Main Output from the Master and route it to the power amplifiers.
Adjust each input channel on each mixer using its Volume, Threshold, and Off-Attenuation Controls.
Adjust the NOM Attenuation Control on each mixer.
To set the overall system output, use the Master Unit's Master Volume.
For Remote Volume Control of the entire system, connect a 10k ohm linear potentiometer across the
Remote Volume Terminals on the Master unit only. If remote control of only one or two discrete volume
settings is desired, use a toggle switch or a rotary switch with fixed resistors to present the appropriate
resistance across the Remote Volume Terminals. This simplifies operation by untrained personnel.
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