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Switch on unit
4
Switch on unit
Figure 5: Button
26
WARNING!
Due to the compressibility of gases, the accident
prevention regulations "Working on Gas Installa-
tions" and the rules and regulations "Technical
Rules for Gas Installations" must be observed for
all pressure tests with air or inert gas for safety
reasons.
Switch on the unit: Press and hold the button
•
for 2 seconds.
Switch off the unit: Press and hold the button
•
for 3 seconds.
After switching on, the overall display lights up
briefly and then the start screen lights up for ap-
prox. 7 seconds.
During this time, the unit carries out a pressure
zeroing.
ATTENTION!
During zeroing, no hose may be connected or no
differential pressure applied, as the unit stabilises
and determines its zero point.
After zeroing the measuring display appears.
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