Replacing the 9 v battery – EXFO LFD-200 Live Fiber Detector User Manual
Page 16
Maintenance
11
Replacing the 9 V Battery
When the battery voltage becomes low, the LOW BAT LED illuminates (LFD-201 and
LFD-203 models) or
Lb appears on the display (LFD-202 and LFD-202P models).
The unit will continue to operate for some time, but the battery should be replaced
with a fresh 9 V alkaline battery as soon as possible.
To replace the 9 V battery:
1. Turn off the Live Fiber Detector.
2. Open the battery compartment door located at the front of the unit.
3. Change the 9 V battery, respecting the polarity.
4. Close the battery compartment door.
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