Chauvin Arnoux Metrix MTX204, Руководство пользователя

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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.
Backlight and Torch light 3.3.
Then 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 shut down the backlight.
On NCV position the backlight will blink red if AC live voltage is detected.
As default, the multimeter is set to automatic mode (AUTO). Whatever the quantity
being measured, pressing RANGE switches the instrument to manual mode to let you
select the desired range.
Measuring AC, DC or 3.4.
AC+DC voltages
The meter measures AC or DC
voltage. To minimize risk when
measuring an unknown voltage,
make sure to measure both AC
and DC voltage
1. Turn the rotary switch to
(10 M

),
(500 k

).