2
Taking central position as benchmark, turn
counterclockwise to attenuate the treble, and turn
clockwise to enhance the treble, and then MIC2,
MIC3, MIC4 and so on.
14 Auxiliary input AUX1 bass adjustment knob
BASS
Taking central position as benchmark, turn
counterclockwise to attenuate the base, and turn
clockwise to enhance the base, and so on.
15
Auxiliary input AUX1 volume adjustment
knob
Adjust the volume of auxiliary input AUXI, and
that of AUX2, and so on.
16 Auxiliary input AUX1 treble adjustment knob
TREBLE
Taking central position as benchmark, turn
counterclockwise to attenuate the treble, and turn
clockwise to enhance the treble, and that of
AUX2 and so on.
17 Bell volume adjustment knob
Press the key 18 to turn on the bell, and turn this
knob to adjust the output volume of the bell.
18 Channel bell switching key
Press this key to turn on the bell.
19 Siren volume adjustment knob
Adjust the volume of siren.
20 Siren on-off button
21 Master volume adjustment knob
Adjust the level of all the signals.
22 Power switch
23 Power indicator lamp
