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5. INSTALLATION PRECAUTIONS
• Avoid using the power supply cord other than the supplied one.
• Keep the input cable away from the output cable. If installed close to each other, oscillation could occur.
• To avoid amplifier failures, never connect outputs of two or more amplifiers in parallel.
• Only connect speakers with an impedance equal to or greater than those specified. Connecting speakers
with a smaller than specified impedance could cause damage to the amplifier.
6. NOMENCLATURE AND FUNCTIONS
6.1. Front
VP-1241, VP-1361
VP-1061, VP-1121
1. Power indicator
Lights blue when the power is applied to the unit.
2. Program input mute level control
Program input volume can be muted (attenuated)
by shorting the Priority control input terminals (17).
This control adjusts the attenuation. Turn the
control clockwise to increase attenuation and
counterclockwise to decrease it.
3. Program input volume control
Adjusts the Program input (15) volume.
Turn the control clockwise to increase the volume
and counterclockwise to decrease it.
4. Priority input volume control
Adjusts the Priority input (18) volume.
Turn the control clockwise to increase the volume
and counterclockwise to decrease it.
5. Priority input/Fault indicator
Lights green while the Priority control input
terminals (17) are shorted.
Lights red when the fault detection circuit is
activated. (Operates when the YA-1000A is
mounted.)
5
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