OSI Security Devices OMNILOCK OM100 Series User Manual page 119

Very Important!
Get your fresh replacement batteries positioned and ready
to install before you begin the next step.
Avoid touching the Battery Contacts or the Contacts in
the Battery Holders because the oils and acids from your
fingers can cause long term electrical contact problems.
Batteries are to be removed and replaced one at a time.
If all Batteries are removed at the same time, the System
may reset and require reprogramming (See Resetting The
System page 118).
Step 11 Remove and replace each of the old Batteries, one at a time, with the
plus (+) end down (Figure 5).
Step 12 Close the Battery Cover and press the Gasket in place.
Step 13 Remount the System in the reverse order of Steps 1 through 9 and
you are done !
Battery
Cover
Gasket
AA Alkaline
Battery (4)
Positive
down
Figure 5 Battery Orientation and Replacement
Batteries
Housing
109