165X
Users Manual
18
Power-On Options
To select a power-on option, press O and the function
key simultaneously and then release the O button.
Power-on options are retained when the tester is turned
OFF.
Keys Power-On Options
O 3 Line and Neutral Swap mode. There are two
possible modes of operation when the tester
detects that the Line and Neutral leads are
swapped. The b icon on the display
indicates a swapped test lead.
You can configure the tester to operate in L-n
mode or L-n n-L mode.
• In L-n n-L mode the tester corrects the
condition by swapping internal connections
and testing continues.
Keys Power-On Options
3
(cont.)
• When a swapped lead is detected In L-n
mode, testing is inhibited and you must
manually swap the leads. L-n mode is
intended for use in the UK. Selecting L-n
mode also changes the x1/2 RCD trip time
duration to 2 seconds as required in the
UK.
Note
In locations where polarized plugs and
outlets are used, a swapped lead icon
(b)
may indicate that the outlet was
wired incorrectly. Correct this problem
before proceeding with any testing.
O 4 Fault voltage limit. Toggles the fault voltage
between 25 V and 50 V. The default is 50 V.
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