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Replacing batteries – EXFO FOT-930 Multifunction Loss Tester User Manual

Page 85

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Maintenance

Multifunction Loss Tester

77

Replacing Batteries

Replacing Batteries

You may replace main batteries or the clock battery at any time without
affecting operation.

The two main Lithium-Ion batteries are independent, so you can replace
one while the other is in use. If the unit is plugged in, you can replace both
batteries while the unit is on.