Notice on the use of the handsets: The G277/577 DECT handset uses radio signals and does not guarantee a connection under all circumstances. Do not rely solely on these handsets for indispensable calls, such as medical emergencies.
SOS functions (G577): The SOS functions do not replace companion supervision. Ensure others are present or appropriate measures are taken in critical situations.
Getting started
Installing the battery pack: Place handset face down, slide the lock, lift the cover, insert battery, replace cover.
Installing the charger: Place charger on a flat surface, connect USB-C to charger, USB-A to adapter, adapter to outlet, and place handset on charger.
Charging the batteries: Place handset in charger. A "Charging" display will appear. The handset automatically switches on if off. A spare battery can be charged in the dedicated slot. Full recharge takes 7 hours.
Charge display: Icons indicate battery status: Almost empty, Less than 10%, 10% to 20%, 20% to 90%, Fully charged. A warning beep and "Battery low!" message appear when nearly discharged. Calls cannot be made during this message.