Maintenance; Replacement Of Batteries - Chauvin Arnoux C.A 742 Bedienungsanleitung

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4. MAINTENANCE

Except for the batteries, the instrument contains
no parts that can be replaced by personnel who have not
been specially trained and accredited. Any unauthorized
repair or replacement of a part by an "equivalent" may
gravely impair safety.
4.1. CLEANING
The device must be kept perfectly clean.
Disconnect the instrument completely.
Use a soft cloth, dampened with soapy water. Rinse with a
damp cloth and dry rapidly with a dry cloth or forced air. Do
not use alcohol, solvents, or hydrocarbons.

4.2. REPLACEMENT OF BATTERIES

If, during the self-test, only half of the indicators light, you
must replace the batteries.
„ Disconnect anything connected to the device.
„ Using a screwdriver, unscrew the two captive screws of
the battery compartment cover located on the back of
the device.
„ Withdraw the spent batteries and replace them with two
new batteries (AAA or LR3 1.5V alkaline batteries).
„ Close the battery compartment cover and make sure that
it is completely and correctly closed.
„ Screw the two screws back in.
Spent batteries must not be treated as ordinary
household waste. Take them to the appropriate
recycling collection point.
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