User Manual

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4. Initial Operation

4. Initial Operation

4.1 Insert battery

1 Open the TopSafe sealing cap and remove instrument.

2 Open battery compartment on rear of instrument.

3 Insert button cell (Type CR2032, 3V). The (+) sign must be vis-

ible.

4 Close battery compartment.

5 Remove protection strip on the storage cap.

4.2 Connect external probe (BNC module pH3 only)

Attach BNC plug from the external probe to the BNC socket

and seal with the aid of a bayonet coupling.