411, 611 & 325 OCU
User Manual
16
9M02-8999-A001-EN
7
Operating Instructions
7.1 OCU First Use
Insert a new set of AA size Alkaline batteries, these need to be installed as follows.
7.2 OCU Battery
– Removal and Replacement
Referring to the figure below, battery access is under the cover on the rear of the OCU.
•
To gain access to the batteries, remove the two screws securing the cover, remove cover and old batteries.
•
To replace the batteries, insert new batteries taking note of the correct polarity as shown on the graphic
under the batteries, then replace the cover and gently tighten the screws to snug the cover down.
Figure 3 OCU, rear views
Figure 4 Battery Pack Removal and Replacement
1. Sealed Battery Cover
2. Battery Access Screws
3. Loop for belt clip
Open Battery Cover
showing batteries