recommended that the handset not be recharged until the battery icon flashes .
4.4. Replacing the Batteries
If the icon flashes after a few telephone calls even when the handset batteries have been fully charged, both batteries must be replaced.
- Charge new batteries for approximately 7 hours before initial use. (The telephone line cord must not be connected to the telephone socket at this time). When replacing the batteries, ensure that the correct battery type is selected. - When replacing the batteries, be sure to set up the battery type even if you install the same type of batteries to initialise battery remaining memory of your handset.
- The factory preset is
.
- To exit the operation, press any time. - Do not use non-rechargeable batteries. If non-rechargeable batteries are fitted and start charging, it may cause the leakage of the battery electrolyte. - Press the notch on the cover firmly and slide it as indicated by the arrow. Replace both batteries and close the cover then charge the handset for about 7 hours.