PANASTEREO SP23 – Operation.
4
SP23 OPERATION
The SP23 does not require any operator intervention for normal operation. The unit is automatically
controlled by the cinema processor.
When a digital format is selected on the cinema processor the SP23 will switch to EX decode mode
and the red DECODE-ON indicator will be illuminated. In Digital mode the left and right surround
channel information is decoded into three channels, left, right and rear surround.
When any other format is selected on the cinema processor, the SP23 will switch to non-EX mode and
the yellow DECODE-OFF indicator will be illuminated. In non-EX mode, if the surround channel
information is mono (as with optical stereo film soundtracks), the surround signal is equally distributed
to all three surround channels. If the surround signal is stereo, the left surround channel contains the
left signal, the right surround channel contains the right signal and the rear channel contains both
signals.
EMERGENCY BYPASS
In the event of a failure of the unit, it can be bypassed by pressing the red BYPASS button at the right
front of the unit. This button is NOT a power switch but simply allows the left and right surround
channels from the processor to be sent directly to the left and right surround power amplifiers. There
is no rear surround in bypass mode.
SP23-10 (Octave Equalisers) card positions
SP23-30 (1/3 Octave Equalisers) card positions
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