Toa AX-1000A, Руководство по эксплуатации

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With thirty, forty or fifty microphones, the margin of SPL before feedback can vanish in a conventional system.
Each open mic steals gain from the total available to the sound system. However, the AX-1000A switches unused
mics 'off' and shares the maximum possible system gain among all the active mics. This effectively puts a flexible
and unobtrusive 'ceiling, on the system's maximum output regardless of the number of mics in use. If the system
has been properly adjusted, feedback should not occur.
Good Ideas
TOA has done everything possible to make the AX-1000A as foolproof as possible, but as with any complex
equipment, overall system set-up can affect the unit's performance in the field.
In any application, it's a good idea to fasten a log of the Input Volume and Master Volume settings near the mixer.
Sometimes when a number of operators have access to a system, it's more efficient to mark the front-panel with
the base line settings. Use small stick-on dots available at any art-supply store.
In the same way, channels can be marked for a specific model of mic, or marked with the mic location.
Finally, in difficult acoustic environments, it is important that the microphones must be placed consistently in the
same spots. So it may be a good idea to 'spike' the locations of movable microphones on the floor with bits of
colored tape, and post a chart showing which mic(s) correspond to which colors.
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