Exfo FTB-2 User Manual download pdf (Page 268)

100

101

Maintenance

258 FTB-2 and FTB-2 Pro

Recharging the Batteries

IMPORTANT

 Batteries are not charged at the factory. You must fully charge

them before using the unit for the first time. The batteries are

fully charged after a few hours or when the battery LED

indicator stops flashing.

 The time required to charge batteries depends on various

factors such as the type of modules currently in use and the

ambient temperature.

 To ensure that batteries function or charge properly, keep them

in temperatures between 0 °C and 40 °C (32 °F and 104 °F). Store

them between –20 °C to 60 °C (–4 °F to 140 °F).

 Do not leave a battery discharged for several days.

 Depending on the way the unit is used, after a while, the charge

status icon may no longer correspond to the actual power level

of the battery (for example, the icon indicates that the power

level is sufficient, but the unit turns off because the battery is

too weak).

 After 300 cycles (approximately 18 months of use), you may

want to replace the batteries with new ones to maintain

optimal operation conditions. Otherwise, the operating time

might be reduced.

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Exfo FTB-2 User Manual Page 268

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