User Manual

GMC-I Messtechnik GmbH 15
Initial Start-Up – Setup
3.4 Switching the Instrument Off
Switching the Instrument Off Manually
Ð Press the ON / OFF | LIGHT key until 0FF appears at the display.
Shutdown is acknowledged with a brief acoustic signal.
If hazardous contact voltage has been detected (HV symbol
appears), the instrument cannot be switched off.
Automatic Shutdown
The instrument is switched off automatically if the measured value
remains unchanged for a long period of time (maximum measured
value fluctuation of approx. 0.8% of the measuring range per
minute or 1°C or 1°F per minute), and if none of the keys or the
rotary switch have been activated before a selected period of time
in minutes has elapsed (see “APoFF” parameter on page 64). Shut-
down is acknowledged with a brief acoustic signal.
Automatic shutdown is disabled in the following operating modes:
continuous operation, mains analysis, power or energy measure-
ment and whenever dangerous contact voltage has been detec-
ted (exception: memory mode).
Disabling Automatic Shutdown
The instrument can be set to continuous operation.
Ð Simultaneously press the
and keys to this end.
The “Continuous On” function is indicated at by means of the
ON
display to the right of the battery symbol.
The “Continuous On” setting can only be canceled by changing the res-
pective parameter (see “APoFF” on page 64 regarding instrument shut-
down via parameter) or by switching the instrument off manually.
In this case, the parameter is reset to 10 minutes.
ON / OFF
LIGHT
FUNC
ENTER
ON / OFF
LIGHT
Auto-Range
8.8.8.8.8
Illumination On
000.00
ON / OFF
LIGHT
Illumination Off
000.00
ON / OFF
LIGHT
0ff
ON / OFF
LIGHT
Long
(1 s)