Chauvin Arnoux AEMC Instruments C.A 771 IP2X Notice De Fonctionnement page 28

„ If every third indicator lights up, there is a problem with the test probes. Check
that they are connected correctly and are in contact, and then press the AUTO
TEST button again. If the problem persists, the test probes must be replaced. If
the problem still persists, the device must no longer be used.
„ If no indicators light up, replace the batteries (see § 4.2). If the problem persists
with new batteries, the device is defective and must be sent for repair (see § 4.4).
Repeat the self-test after each measurement to confirm that the device is operat-
ing properly.
In a noisy atmosphere, ensure that you are able to hear the buzzer.
Note: If the AUTO TEST button is held down for more than 10 seconds with the test
probes not in contact, the device goes into stand-by mode.
2.2. LIGHTING OF MEASUREMENT POINT
The C.A 771 can light up the measurement point, with a white indicator light located
under the red test probe.
To switch this light on, press the
To switch the light off, press the
automatically after about 10 seconds.
+
1400
1000
V
690
AC
DC
400
230
100Ω
Ph
127
ELV
2kΩ
+
50
60kΩ
24
300kΩ
L1-L2-L3
12
L1-L3-L2
Ω
button.

Ω
button again, or wait for it to extinguish itself
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