HTC 21-S Gebruikershandleiding - Pagina 27

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Maintenanc
Warning
To avoid electric shock, remove the test probe
before opening the battery cover or back cover

General maintenance

•
Maintenance and service of this instrument must
be carried out by professional qualified
maintenance personnel or maintenance
department.
•
Use wet cloth or mild detergent regularly to clean
the shell. Do not use abrasives or solvents. Wipe
the contacts in the socket with a clean cotton
swab soaked in alcohol.

Battery Installation or Replacement

The meter uses three AAA 1.5V batteries. Please install
or replace the batteries according to the following
steps.
)
1
Turn off the power of the instrument and remove
the probe
)
2
Use screwdriver to unscrew the screw that fixes the
battery cover and remove the battery cover.
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