1 Voltage / frequency L-PE Multimeter output.
2 Insulation resistances outputs.
3 LowΩ and continuity resistances outputs.
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！Caution –do not use test currents higher than 300 mA.
4 Incorrect test current indication for RCD trip-out time function verification (appropriate LED lights if test
current is too high).
5 RCD 30mA X1 test calibration function selected.
6 Incorrect test current indication for RCD trip-out time function verification (appropriate LED lights if test
current is too low).
7 RCD 30mA X5 test calibration function selected.
8 RCD / Fault loop selection button.
(Press repeatedly to cycle through available options: Local LOOP, LOOP+0.5Ω, LOOP+2Ω, LOOP+50Ω,
RCD 30mA X1, RCD 30mA X5)
9 Loop impedance test Local LOOP function selected.
10 Loop impedance test LOOP+0.5Ω function selected.
11 Loop impedance test LOOP+2Ω function selected.
12 Loop impedance test LOOP+50Ω function selected.
13 RCD / Fault loop calibration output (used for fault loop/trip-lock/line impedance and RCD trip-out time
verification).
14 Neutral Terminal / Mains Input.
15 Earth Terminal / Mains Input
16 Live Terminal / Mains Input
17 Live Input Fuse –(F10A 250V 5mmX20mm)
