Install DL 123 batteries as follows:
1.Unscrew the battery cap (A) and insert the battery (B), observing the polarity as indicated.
2.Replace the battery cap (A) and screw cap hand tight.
Figure
1.Unscrew the battery cap (A) and insert the battery (B), observing the polarity as indicated.
2.Replace the battery cap (A) and screw cap hand tight.
Figure