User Guide

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7. Care and maintenance
This chapter describes the steps that help to maintain the
functionality of the product and extend its service life.
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Cleaning tthe hhousing:
i Clean the housing with a moist cloth (soap suds) if it
is dirty. Do not use aggressive cleaning agents or
solvents!
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Changing tthe bbattery/rechargeable bbattery:
 The instrument is switched off.
1 To open the battery compartment on the rear of the
instrument, push the lid of the compartment in the
direction of the arrow and remove it.
2 Remove the spent battery/rechargeable battery and
insert a new battery/rechargeable battery (9 V mono-
bloc). Observe the polarity!
3 To close the battery compartment, replace the lid of
the compartment in position and push it against the
direction of the arrow.
If the voltage supply had been interrupted for a long
period, the date/time and unit of measurement will have
to be reset:
- The instrument switches itself on and configuration
mode is opened.
i Set the date/time and unit of measurement.
º See the chapter PERFORMING SETTINGS, objectives
SETTING THE DATE/TIME and following.
7. Care and maintenance