Fluke Victoreen 190, Руководство оператора

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Victoreen 190
Operators Manual
3-6
Figure 3-4. Display Contrast (RP1) and +5 (RP2) Adjustment Locations
Probe Adapter Module Adjustments
The probe adapter module has high voltage (RP3), detector sensitivity (RP2), and detector jam current
(RP1) adjustments located within it. Use the following procedure to make the appropriate adjustments:
1. Loosen the Philips screw on the top panel of the adapter.
2. Unplug the adapter from the unit.
3. Remove the flat head screw from the bottom panel of the adapter.
4. Remove the top panel of the adapter to gain access to the inner components.
There is a potential shock hazard when the adapter
cover is removed and the unit is operating. Use an
insulated screwdriver when making adjustments,
being careful not to touch any of the components
other than the potentiometers specified.
5. Plug the adapter back into the Model 190 with the component side of the circuit board exposed.
+5 V Adjustment (RP2)
Display Contrast Adjustment (RP1)
CAUTION