Chauvin Arnoux F407, User Manual

Page: 14 / 74

14
2 THE KEYS
The keys of the keypad respond differently to short, long, and sustained presses.
In this section, the
icon represents the possible positions of the switch for which
the key concerned has some action.
2.1 KEY
This key is used to:

store and look up the last values acquired specific to each function (V, A,
Ω,
W) according to the specific modes previously activated
(MAX/MIN/PEAK,Hz,THD); the present display is then maintained while the
detection and acquisition of new values continues;

perform an automatic zero correction in A
DC
/
AC+DC
et W
DC
/
AC+DC
(see also §
3.9.2 )
Successive
presses on
… serve
short 1. to store the results of the present
measurements
2. to hold the display of the last value displayed
3. to return to normal display mode (the value of
each new measurement is displayed)
Long (> 2 sec) A
DC
A
AC+DC
W
DC
W
AC+DC
To perform automatic compensation of the zero
Remark : this mode operates if the
MAX/MIN/PEAK or HOLD modes (short press)
are first desactivated.
See also § 2.5.3 and § 2.6.3 for the action key with the action of the
key and with the action of the key.