EXFO FTB-500 User Manual
Page 280
Maintenance
272
FTB-500
Replacing Batteries
To replace the batteries in the unit:
1. Open the battery compartment as follows:
1a. Position the unit so that its front panel rests on a flat surface such
as a table.
1b. Lift the mobile part of the battery compartment screws and turn
the screws counterclockwise until the compartment door is
loose. Since they are captive screws, you cannot remove them
completely.
Four-slot model
Battery compartment
Turn screw
counterclockwise
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