Omega Vehicle Security OMP-MODL - Manual (Page 280)

11.. . A PPENDIX E: C HANGING THE OMP-MODL E PROM
U SING T HE OMP-MODL 11-118
A
PPENDIX
D: C
HANGING THE
C
LOCK
/ M
EMORY
B
ACKUP
B
ATTERY
The OMP-MODL internal memory and real-time clock are powered from a
Panasonic BR2325 (or equivalent) lithium cell when the OMP-MODL Main Power
switch is OFF. The cell is mounted in a socket located on the bottom of the MLCPU-
1 module and is accessed by removing the bottom plate/hanger or ML-BATT
module.
To change the lithium cell:
1. Download any valuable data retained in OMP-MODL memory.
2. Turn off the OMP-MODL power
3. Remove the side retaining screws ( 4 ) holding the bottom plate
or ML-BATT module in place.
4. The lithium cell is located in the socket on the exposed circuit
board.
5. Gently pry the cell to be replaced out of its holder with a small,
blunt, non-metallic tool being careful not to puncture the cell or
damage any surrounding circuitry. Insulated tweezers may
assist in pulling the cell out of the holder. Use care during this
step so that the spring loaded contact is not bent up excessively.
6. Slide a new cell (Panasonic BR2323 or equivalent) into the
holder with the positive terminal UP. A properly installed cell
will seat approximately flush with the top of the socket.
7. Reassemble the bottom plate and/or ML-BATT module onto the
MLCPU-1 module and reinstall the four side retaining screws.
8. Power up the OMP-MODL. Clear the unit memory and upon
loading of a new Program Net, the unit is ready to deploy.
ML006
LITHIUM CELL
BATTERY PIGTAIL & CONNECTOR
EPROM
EXTERNAL POWER FUSE