The mains supply (including switch and fuse), a 9-pin Sub-D connector for the RS 232 or CAN interface, the HV-outputs and the
polarity switches are located on the rear side.
Before the unit is powered the desired output polarity must be selected by the rotary switch on the rear side. The selected
polarity is displayed by a LED on the front panel and a sign on the LCD.
CAUTION!
CAUTION
It is not allowed to change the polarity when channels are switched ON and residual voltage is
present!
INFORMATION
INFORMATION
If the polarity switch setting is not defined (not at one of the end positions) high voltage cannot be
switched on.
3.2 Power Up and operational conditions
CAUTION!
CAUTION
It must be ensured that the air ventilation slots on the top, rear and bottom side of the HV unit are
not covered. A distance of at least 15 mm to other objects must be provided.
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