6 Instrument maintenance
46 NBM-520 Narda
Replacing the batteries
1. Switch off the instrument and disconnect it from all other
devices (AC Adapter / Charger, optical cable).
2. Open the battery compartment on the back of the
instrument.
3. Remove the old batteries and dispose of them according
to the waste disposal ordinances applicable in your
country.
4. Insert the new batteries.
Make sure you insert them the right way round according
to the diagram on the base of the battery compartment.
5. Close the battery compartment.
6. Connect the AC Adapter / Charger and charge the
batteries (a complete charge cycle takes about 2 hours).
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