EXFO PPM-350D - Page 55

Maintenance
PON Power Meter 47
Replacing the Battery
To replace the battery:
1. Place the unit face down on a hard surface such as a table.
2. Remove the four screws holding the back panel in place, then remove
the back panel completely.
CAUTION
The battery is located close to the optical components of your unit.
Make sure that you do not damage them when removing or
installing the battery.