Refco 4688098 Mode D'emploi page 12

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6 Commissioning and functions
6.1 Commissioning
Preparation for commissioning
Insert 4 batteries into the battery compartment on the back. Observe
the correct polarity of the batteries. If you will not be using the
REFMATE for a longer period of time, remove the batteries from the
battery compartment.
Remove the protective film from the display
Note: The date and time cannot be changed during the very first 5
minutes.
10
REFMATE operating instructions
Start device
Press
After a few seconds, the device
will be ready.
•
Check the battery status
Zeroing the pressure sensors
Press and hold
•
The pressure display shows
zero