Instrument Description (cont'd)
Operator's Panel
The operator's panel is shown in Fig. 2 below.
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Legend:
1...........Ω: Press to switch to Insulation Measurement Mode. Press again to set a resistance
limit value.
2.......... V: Press to switch to Voltage measurement mode.
3.......... Light: Press to to turn the display backlight ON or OFF.
4.......... t cursor: Press to decrease the test voltage parameter or resistance limit value.
5.......... u cursor: Press to increase the test voltage parameter or resistance limit value.
6.......... START/STOP: Press to start or stop insulation measurement.
7.......... ON/OFF: Press to switch the instrument ON or OFF.
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LCD
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Keypad
Fig. 2. Front Panel
5990A
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