Product Manual
8
3.4 Replace the AA alkaline batteries
Open the cover of the AA battery pack, take
out the old batteries and put 4 new AA alkaline
batteries as illustration shows in the direction
of + and -, and then close the cover.
Note:
1. Replace all 4 batteries with new ones at the
same time. Don’t mix the old batteries with
new ones.
2. If the instrument is not used for a long
period of time, please remove the batteries.
Fig. 8
AA battery
Battery pack