Panasonic KX-TD7685 - Wireless Digital Phone, Service Manual

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KX-TD7685
6.2.3. Battery Life
After your Panasonic battery is fully charged [at 25
°
C (77
°
F)]:
• Operating time may be shortened depending on usage conditions and ambient temperature.
• The battery will drain slowly even while the unit is turned off.
• The handset can receive calls while charging.
• Battery consumption increases when the handset is used out of range. If “ “ flashes, power off the handset.
6.2.4. Low Battery Warning
The battery needs to be charged in the following situations:
• “ “ flashes and the alarm sounds.*
• “Charge Battery” is displayed. In this situation, the handset cannot be operated.
* If the low battery warning occurs during a conversation, the call will be disconnected automatically one minute later.
6.2.5. Replacing the Batteries
• If “ “ flashes after using the phone for a short time, even when the battery has been fully charged, the battery should be
replaced.
Before replacing the battery, make sure the low battery warning is displayed, then turn off the power to prevent memory loss.
Replace the battery, and charge the new battery for at least 7 hours.
If you replace the battery before the low battery warnings appears, the battery strength icon may display an incorrect reading. In
this case, use the handset as normal with the new battery installed. When the low battery warning is displayed, charge the bat-
tery for about 7 hours. The battery strength icon will then display the correct reading.
1. Turn the power off to prevent memory loss.
2. Press the notch on the cover firmly and slide it as indicated by the arrow.
3. Open the cover and replace the battery.
4. Close the cover and charge the handset.
Please use a Panasonic batteries with the service part number N4HHGMB00005 or HHR-P103.
Operation Operating Time
While in use (TALK) Up to about 10 h
While not in use (Standby) Up to about 168 h