Power Output Switch Inside Amplifier On Chassis

RADIO VOLUME ADJUST

The RADIO VOLUME ADJUST is a one time setting which depends on the radio connected and its normal volume.

Access the RADIO VOLUME ADJUST through a hole on the side of the amplifier.

Switch siren to RADIO mode and turn on the power. With the volume on the radio itself set to normal level, set the RADIO VOLUME ADJUST to the desired level.

POWER OUTPUT ADJUST

The POWER OUTPUT ADJUSTMENT is a one time setting which depends on the speaker(s) used.

The amplifier cover must be removed to access the adjustment.

Remove the 4 screws on the side of the amplifier.

For 58W or 80W speaker(s), set the POWER OUTPUT SWITCH to “58/80”.

For 100W speaker(s) set the POWER OUTPUT SWITCH to “100”.