Chauvin Arnoux C.A 6470N TERCA 3 Manual page 6

Activation /deactivation of the secondary key function. The symbol 2nd is displayed
2nd
on the screen.
Setting measurement parameters before measuring:
3 poles
CONFIG/
FREQUENCY
4 poles
Setting measurement parameters during measurement in MANUAL mode:


Only when measuring ground resistivity (ρ), programming distances A and/or d,
DISTANCE
before or after measurement.
Display of the various screens and results available in roll mode.
DISPLAY
Exit of the memory function without recording.
SMOOTH Activation / deactivation of the smoothing of measurement display.
Memorisation of a measurement and all the information relating to an address defined
by an object number (ObJ.) and test number (tESt).
An index for the following functions is automatically associated with the test
number:

MEM

MEM needs to be pressed twice:


Reading of the values memorised.
The address (OBJ./TEST) and, as applicable, the associated index, are selected with
MR the
All the information linked to the recalled measurement can be displayed with the
DISPLAY key.
Selects the parameter to be modified (in roll mode, from left to right).
The modifiable parameter flashes.
Incrementation in roll mode of the value of the flashing parameter selected.
Decrementation in roll mode of the value of the flashing parameter selected.
AUTO – 2 wire/4 wire measurement
mΩ MANU – 2 wire/4 wire measurement – measurement current flow
direction
AUTO – U
MANU – U
AUTO – U
MANU – U
AUTO – measuring method - U
ρ
MANU – measuring method – U
All functions except mΩ : measuring frequency
mΩ: measurement current flow direction
1, 2, 3, 4 for coupling measurements (EARTH COUPLING).
DISTANCE for resistivity (ρ)
1 press: confirmation of the memorisation address (can be changed with the
st
and keys).
2 press: memorisation at the chosen address
nd
and keys.
OUT
– measuring frequency – coupling (EARTH COUPLING)
OUT
OUT
– measuring frequency
OUT

OUT
– measuring frequency
OUT