Key; Set-Up Function (Device Configuration) - Chauvin Arnoux C.A 6545 Notice De Fonctionnement

Secondary SMOOTH function
Used to activate a digital filter for insulation measurements. It affects only the display (which is smoothed)
and not the measurements.
This function is useful in case of high instability of the displayed insulation values, caused by a strong
capacitive component of the part to be tested, for example. The time constant for this filter is approximately
20 seconds.
4.6

Key

This function is used to modify the flashing parameters displayed, or to consult the R (t) values (see § 4.3).
In general, two figures (day, month, hour, min., sec., OBJ, TEST) flash.
The and functions have a "roll" mode: as soon as the upper or lower modification limit is reached,
the parameter to be modified automatically switches to the following upper or lower limit.
Primary function : A brief press increments the displayed number by one unit.
A longer pressure on this key will cause fast incrementation.
Secondary function
A long press, will cause rapid decrementation.
Contrary to all the secondary functions of the other keys, it is not necessary in this case to press the
key each time to access the function
2nd
for the function only) as long as the user does not deactivate it by pressing the
key again.
4.7

SET-UP Function (device configuration)

This function, located on the rotary switch, is used to change the configuration of the device by accessing
directly the parameters to be modified.
After turning the rotary switch to the SET-UP position:
- all the segments of the display are activated for 1 second,
- the number of the software version is displayed
- the serial number of the device is displayed
- PUSH then appears on the small display and btn on the main display, to prompt you to press a key.
The SET-UP function is then used to access directly the parameters to be modified, by pressing
the corresponding key:
- After pressing a key, the figures or symbols corresponding to the function selected appear on the
screen.
- The modifiable figures or symbols will flash. The normal modification procedure using the
keys must be used.
- All the parameters are recorded immediately and continuously.
The table on the following page defines the active keys in the SET-UP function and the corresponding
display, with the possible adjustment ranges.
: A brief press increments the displayed number by one unit.
. The
2nd
46
symbol remains displayed and therefore valid
key or another
2nd
and