Ground/Lift Switch - Ypsilon SET 100 MKIII Owner's Manual

GROUND/LIFT SWITCH

When the switch located on the back panel is turned to the GROUND LIFT position the
ground circuit is disconnected from chassis ground. This is used to eliminate ground loop
in the system and hum in the speakers.
When the switch is turned to the other position the circuit ground is connected to the
chassis ground.
POWERING UP
With all the connections made you are ready to turn on the amplifier. The power on
switch is located at the backside of the amplifier. When it is switched on the front led
should be lighting. After turning it on, there is a delay of 20 seconds approximately for
the valves to warm up before operating. After this procedure is over a single relay click
will be heard and the amplifier is ready .
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