Operation; Commissioning; Switching The Testo 440 On/Off - TESTO 440 Instruction Manual

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4 Operation

4.1 Commissioning

The testo 440 is supplied with inserted batteries. The batteries are
secured by a battery safety strip.
1 Open the battery compartment cover.
2 Remove the battery safety strip.
3 Close the battery compartment cover.

The testo 440 is ready for use.

4.2 Switching the testo 440 on/off

Initial activation
For initial commissioning or after a factory reset, the Initial Operation
menu is opened automatically. In normal mode, the last menu used is
displayed after switching it on.
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