Chauvin Arnoux C.A 773 Notice De Fonctionnement page 34

L1
L2
L3
N
PE
„ If the voltage is less than 50 V
„ Otherwise, the device reports that it is taking the voltage reference by the blinking
of "reference" on the display unit.
When the reference has been acquired, the C.A 773 emits two treble beeps and
"reference" is displayed steadily.
Then shift the red probe tip to the last phase of the system.
L1
L2
L3
N
PE
The device displays "measurement" to indicate that it is making the measurement.
If there is a problem, i.e. if the device does not detect a phase change within 10
seconds or if the phases are not balanced, it indicates an error by emitting two low-
pitched beeps and displaying "error".
Otherwise, the device indicates the phase order by lighting up:
„ L123 and emitting a low-pitched beep followed by a treble beep,
„ or L132 and emitting a treble beep followed by a low-pitched beep

or DC, it cannot be measured.
ac
34