Lake People PHONE-AMP G93 Bedienungsanleitung Seite 15

PCB LAYOUT AND JUMPER SETTING
GAIN JUMPERS
L - H
Low Gain +8 dB
(ex Works setting)
L - H
High Gain +20 dB
if neccessary
INTERNAL OPERATING VOLTAGE SELECT JUMPERS
Low internal Voltage
setting +/- 15 V
(ex Works setting)
Never use other than the above shown settings.
High internal Voltage
impedance headphones
WARNING:
Be sure to unplug mains voltage !!
Serious damages may result !!
GROUND LIFT JUMPERS
Normal Operation
L - G
int. Ground connected
to Earth potential
(ex Works setting)
L - G
Lift position, internal
Ground disconnected
setting +/- 30 V
for use with high
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