PUBLIC ADDRESS AMPLIFIER
6
PA-612/624
7. GROUND LIFT SWITCH
T
his switch provides connection or disconnection of the amplifier’s ground to AC “earth” ground, to prevent
noise from ground loops. Under most circumstances, this switch should be set to FRAME position.
8. HIGH-PASS FILTER SWITCH
The 400Hz high pass filter is controlled on or off by the switch(-3dB : 400Hz).
9. LEVEL ADJUST VOLUME
This knob provides continuous control of the amplifier’s output level, from -12dB to 0dB. Turning the knob
clockwise increases the level, and turning it counter-clockwise decreases the level.
PA-612_624_E_PA-612_624_E 10. 7. 13. 오후 6:20 페이지 9
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