4.2 Operation Elements
21) Display key to select individual measurement
results
22) VINS, I∆N key: select one lower insulation test
voltage or I∆N. LowΩ: start / switch off com-
pensation.
23) VINS, I∆N key : select one higher insulation test
voltage or Idn.
24) VL key (contact voltage threshold)
25) PE contact electrode
26) Start key
27) Store key
28) Send key
29) Clear key
30) IR-RS232 PC interface
31) Print key
32) Measurement range selection switch.
Plastic holster (not shown in picture)
8
Operation Elements
21
22
23
24
25
26
27
28
29
30
31
32