First Use; Backlight And Torch Light - Würth 0715 58 550 Traduction Des Instructions De Service D'origine

3.1 First use

Place the batteries in the device as follows:
1. Use a screwdriver, unscrew all the battery cover screws on the back of the meter.
2. Place the batteries in the casing, respect polarity.
3. Screw back battery cover screws.
It is recommended to follow this procedure when you use the
meter for the first time, or after long time without use:
• Start the meter, make sure that all segments are
displayed.
• Check that on Continuity position, and without any
input the meter display OL.
• Take out both cords and short circuit, the beeper
should sound.
• Turn the rotary switch on V and check a known
voltage (for example a battery) and make sure
voltage is correct.
• When all the steps above are correct, you can
start to use the meter.
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3. USE

3.2 Backlight and Torch light

When pressing the key for more than 2s, both LCD backlight (blue) and torch
light (white) will light up.
Press again for more than 2s to shutdown the backlight.
On NCV position the backlight will blink red if AC live voltage is detected.