testo 622 Manual De Instrucciones página 29

2. Basic properties
Power supply
The instrument is powered optionally by:
• 4 batteries / rechargeable batteries, type AA
Wall mounting
The distance between the upper and lower drill hole is 63 mm.
5 First steps
Removing the protective film
> Remove the protective film from the display
Inserting batteries/rechargeable batteries
1. Open the battery compartment on the rear of the instrument.
2. Insert batteries/rechargeable batteries (observe the polarity!)
3. Close the battery compartment.
5 First steps
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