Operation Manual

GMC-I Messtechnik GmbH 17
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.
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 49.)
Shutdown is acknowledged with a brief acoustic signal.
Exceptions include:
Transmission and memory mode operation, continuous operation
and whenever a dangerous voltage is applied to the input (U > 55
V AC or U > 70 V DC).
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 cancelled by changing the
respective parameter, and not by switching the instrument off
(see “APoFF ” on page 49).
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)