Grandstream Networks 29578 manual Installing the Phone, Installing Backup Batteries

Installing the Phone

Installing Backup Batteries

CAUTION: Disconnect the phone cord from the wall outlet before installing or replacing the batteries.

In case of a power outage, the phone uses 4 AA alkaline batteries for backup power for incoming voice amplification and visual ringer functions.

1.Unplug the power adaptor and the telephone line before installing batteries.

2.Carefully turn

over the phone, and release latch on battery compartment and remove cover.

3. Insert 4 AA-size alkaline batteries as shown on the

diagram in the battery compartment.

4.Snap the battery compartment door back into place.

5.Re-attach the power adaptor and the telephone line cord to the unit .

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