KPOWERSCIENCE KP3828 Series, Maintenance Manual

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5-14
4. -V2 CLEAN BIAS
Use a digital multimeter and set to DC Voltage scale. Connect the meter’s
red probe into the High Voltage Supply –V2, and then connect the black probe
into the Case GND (See Fig.5-12). Turn on CLEAN BIAS under ENGINE
CHECK selection, and then adjust High Voltage Supply VR701 (See Fig.5-13).
Turn VR701 clockwise to increase the voltage. Turn VR701 counterclockwise
to decrease the voltage. Adjust VR701 to –275V.
Fig.5-12
Fig.5-13