2. Exchange Battery
A. Check if PROTEK M733 is off. If it is on, push the on/off button.
B. Unscrew the bolt of the backside of PROTEK M733 using a screwdriver.
C. Open the battery cover.
D. Remove two batteries (DC 9V) and place new batteries carefully checking their
electrode.
E. After closing the battery cover, tighten the bolt using a screwdriver.
(Be careful not to tighten the bolt too firmly, otherwise it might wear out the
screwdriver and bolt)
Usages
