Flashlight; Display Backlight; Freezing' The Result (Hold Function); Replacing Batteries - Sonel P-4 Manual De Uso

3.10 Flashlight

The tester may light the measuring point,

Briefly press

Disabling the function:
 after pressing button
 after Auto OFF time elapsed.

3.11 Display backlight

The tester has the function of display backlight.

The backlight turns on automatically when the
flashlight or measurement function is activat-
ed.

Press and hold longer
L2 in order to switch OFF the display back-
light.

This function is also switched OFF after elaps-
ing Auto OFF time.
3.12 'Freezing' the result (HOLD func-
tion)
Voltage testers
resistance measurement result – HOLD function.

To hold the result on the screen, press short-
ly
message.

The HOLD function is disabled after another
short pressing of
4
The tester is powered by two LR03 AAA batteries
of 1.5 V. The need to replace the batteries is indi-
cated by:

no beep after contacting with tips of test
probes with each other,

lighting too dim after pressing

active battery indicator light

34
button - the display will show HOLD

Replacing batteries

displayed symbol
P-4 ● P-5 ● P-6 – USER MANUAL
button on test probe L2.
may 'freeze' the voltage or
button.
again,
button to test probe
button,
,
.