Audio Developments AD256 User Manual
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fed to the outstation. Selecting more than one source creates a mix of the chosen
signals.
A three-position rocker switch BATT/EXT (7) selects either internal batteries or an
external DC source. Correct power to the mixer is confirmed by the BATT indicator on
the lower LCD meter. The first bar of the indicator flashes when the internal voltage
falls below the safe operating level of 9V.
External powering of the mixer is via a 4-pin XLR (6).
XLR
Pin 1
OV
Pin 3
NC
Pin 2
Charge
Pin 4
12-15V DC
A suitable external power supply unit can be supplied by Audio Developments Ltd.
(Part No 94-100-015), but any external DC source must be capable of delivering
1.25A at 12V.
MICROPHONE/LINE INPUT MODULE