Chauvin Arnoux C.A 6454 Notice De Fonctionnement page 44

1 6-WAY ROTARY SWITCH :
- OFF .................. : instrument off
- REARTH /
- ZLOOP.............. : loop impedance measurement with 3 wires (high or low current), between
- ZLINE................ : loop impedance measurement with 2 wires (high current only), between
- ................... : current measurement
- SET-UP............. : configuration of the instrument
Set the switch to OFF when the instrument is not in use
2 7-KEY KEYPAD :
The functions of the various keys are as follows for all the settings of the switch EXCEPT the
SET-UP position (see § 3.2).
nd
2 key :
nd
2 + Press on other
nd
2
TEST/SMOOTH key :
TEST
TEST
nd
2 + TEST
SMOOTH
MORE/ALARM key :
MORE
nd
2 +
MORE
ALARM
... : earth measurement in a live condition, with one auxiliary rod (selective earth
if clamp connected)
phase (L) and earth (PE)
two phases or between phase and neutral
key
→ access the secondary function of the key in question
(written in yellow italics below each key)
→ display the current time and date as long as the key is
kept pressed
→ start/stop a measurement (except for voltage and
current measurements, which are made directly) and exit
from the error mode
→ compensation of the measuring cables
→ smooth the measurement (SMOOTH mode)
→ display the measurements and/or complementary
calculations of a function, possibly in association with the
key
→ activate/deactivate the "alarm" function
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