4. Maintenance
4.1 Battery Replacement
1. Switch off the device.
2.Loosen the battery cover screws and remove the cover of battery.
3.Remove discharged battery and insert a new battery in the battery compartment.
The battery type is 3 AA batteries. Pay attention to the battery polarity.
4.Close the battery cover and tighten the screws.
When not in use for long period: Remove batteries.
10