7 Maintaining the product
27
✓ Instrument is switched off.
1. Fold out the suspension device, loosen the clip and remove the
cover of the battery compartment.
2. Remove empty batteries/rechargeable batteries and insert new
batteries/rechargeable batteries (4x 1.5 V, type AA, Mignon,
LR6) in the battery compartment. Observe the polarity!
3. Set on and close cover of the battery compartment (clip must
engage).
4. Switch the instrument on.
5. Check factory settings, and change if necessary:
See Making settings, page 13.
Changing the valve or valve positioner handle
WARNING
Change of the valve positioners and valves by the customer is not
permissible.
> Send the measuring instrument to the Testo Customer Service.
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