*
Fire-fighting/public addressing system
Series PC10
5
in bass tune, the scale cursor moves downward.
Attention: If it is not necessary to increase or attenuate the bass tune, please turn the bass tune to the
position of scale
“
0
”
.
8. Treble control button
Button TREBLE is used to increase or attenuate the tune of the treble. Button ‘+’ is used to increase the tune
of treble, and the button ‘-’ is used to attenuate the tune of treble, with the amplitude displayed on the display
screen in a real-time manner:
Display of numeral: The maximum amplitude of treble increase is “+10”, and the maximum amplitude
of treble attenuation is “-10”.
Display of scale: In case of increase in treble tune, the scale cursor moves upward; in case of attenuation
in treble tune, the scale cursor moves downward.
Attention: If it is not necessary to increase or attenuate the treble tune, please turn the treble tune to the
position of scale
“
0
”
.
9. Bell tune button
Press this button to make a string of prompt bell tunes
“
1
－
3
－
5
－
ì
－
” so as to catch the attention of the
audience.
10. MIC1 input port
It is the MIC (microphone) input port with the highest priority, and the signal input through which will
automatically restrain the signals input from other input ports.
