Sonel P-3, Operation Manual

Page: 14 / 20

12
Notes:
If during the phase indication (L-1, L-2 or L-3)
the symbol starts to blink and the
is dis-
played, it means there are problems, which may
be related to:
- excessive distance between the transmitter and
the P-3 indicator,
- transmission interference, which is not related to
distance. In such a case, the problem will be
solved automatically in no more than 10-20 sec-
onds.
The symbol, which appears when the
symbol is displayed continuously means:
- no voltage at the P-3 indicator measurement ter-
minals,
- incorrect connection of the LKN-710P transmitter
or the P-3 indicator.
2.9 Lighting of the measured
point
The P-3 tester may light the measured area
under difficult lighting conditions (e.g. in switch-
gears). In order to light the measured point, press
the following button: . The LCD is backlit simul-
taneously.
3 Battery replacement
The tester is powered from two 1.5V AAA bat-
teries. A lack of sound signal after the probes have
been short-circuited or dim light after the button
has been pressed, or the symbol indicate
the need to replace the batteries. In order to do so,
perform the following actions: