1652C/1653B/1654B
Users Manual
6
Operating the Tester
Using the Rotary Switch
Use the rotary switch (Figure 1 and Table 4) to select the type of test you want
to perform.
NO TRIP
TRIP
5
6
8
9
10
7
2
3
4
1
apx013f.eps
Figure 1. Rotary Switch
Table 4. Rotary Switch
Number Symbol
Measurement
Function
V
Volts.
Insulation
resistance.
Continuity.
Loop impedance — No trip mode.
Loop impedance — Hi current trip mode.
RCD tripping time.
RCD tripping level.
Earth
resistance.
Phase
rotation.
N/A
Rotary
switch.