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4. OPERATION -The V 70 front panel
Status indicators On (green LED) Lights up when the amplifier is on.
Off (red LED) Lights up when the electronic
protection system has switched the amplifier off in
response to an amplifier fault. (see ‘Description of the
V70’)
Bias (yellow LED) Lights up when the bias measurement
facility is switched on (see
and Chapter 5, BIAS)
Wait (yellow LED) Lights up during the soft start process
immediately after switch-on. This LED goes out after
about 1 minute when soft start has been completed.
When there are mains supply interruptions (of the kind
that occur during thunderstorms, for example), soft start
cuts in automatically to restart the amplifier.
Volume control Motorized potentiometer
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