This device is a detector. The indications it provides must not be used for measure-
ment purposes.
3.1. SELF-TEST
Before using the C.A 773, run a self-test. This checks the integrity of the cable and
the test probes, correct operation of the electronic circuit, and a sufficient voltage
level for the batteries.
Connect the red test probe to the + terminal and the black test probe to the L1 terminal.
Bring the two test probes into contact and press the AUTO TEST button. Hold it
down as long as necessary.
If all indicators on the device except ELV light up, the buzzer sounds and the digital
display indicates "ready", the device is operating properly and is usable.
If every second indicator lights up along with the
replaced (see § 5.2).
3. USE
+
1400
DC
1000
690
400
V
AC
230
DC
127
Ph
50
ELV
24
+
12
+
1400
DC
1000
690
400
V
AC
230
DC
127
Ph
50
ELV
24
+
12
29
symbol, the batteries must be