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Impulse SD-1200 - Page 20

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© RTO 2000
Page 19
FUSE
The amplifer is equipped with a plug-in auto fuse protecting set against
fault conditions. Do not use a fuse with a higher value and never bridge
the fuse over, as this may lead to non-reparable damage so that any claim
for warranty is denied.
GAIN = INPUT LEVEL CONTROL
The input level control allows the system to work well within a wide range
of output levels. Choose the adjustment in the way that you achieve a
sound most possibly without any distortion. As a guideline the following
procedure is recommended:
If you use several amplifiers, the adjustment has to be made for each set
separately. Tune in the volume of your car radio to 2/3 of the maximum
volume. Now turn the gain control of the amplifier from „min“ to „max“
direction until you can hear distortions. Then turn the level control a little
back to „min“. The gain control adjustment is finished now.
Attention: If you use 2, 4, 8 ohm speakers in mono mode and the
overload protection is triggered out, turn the gain control to „min“ direction,
until the operation is free of trouble.

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