Description of the instruments
6,000- and 60,000-count digital multimeters
17
Description of the instruments (continued)
Activation of the Backlight:
- successive presses to increase the
brightness
- circular operation: brightness 1
Æ
brightness 2
Æ
brightness 3
Æ
brightness 1
Deactivation of the
Backlight
Activation/Deactivation of the zero
centre bargraph:
MTX 3290
only
Activation/Deactivation of auto power
off:
MTX 3290
only
*
Remark 1
- The 0 centre bargraph is managed automatically in I
DC
and V
DC
(
MTX 3291
only).
When the multimeter is switched on:
- 1st press on
(sustained press)+press on
ON/OFF
Æ
display of all
segments of the display unit.
- 2
nd
press
Æ
display of model and version (US/Europe)
- 3
rd
press
Æ
software version (display unit 1) and keyboard and display unit
board versions (display unit 2)
- 4
th
press
Æ
normal operation. An audible beep acknowledges key presses.
*
Remark 2
USER/BASIC mode: During power up, the device is in
BASIC
mode (default
configuration Volt AC+DC).
•
If, when you power up your multimeter, you want to activate the
USER
mode to recover the configuration when the multimeter was switched off,
press the
key, hold it down, then press
ON/OFF
(
).
•
After an automatic power down, the device restarts in
USER
mode.
The main display unit indicates, for 3s, the change to
USER
or
BASIC
mode.
*
In the Volt and Ampere functions, the multimeter starts up in AC+DC, as
in the USER mode.
Connection
in Volt
and other functions
in Ampere
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