User manual

TD 92929EN
20 December 2013 / Ver. B
User Manual
WL3 and WL3 Plus WLAN Handset
70
14. Maintenance
14. Maintenance
14.1 Maintenance of Batteries
14.1.1 Battery Warnings
The “Low battery” icon is displayed when the battery has 10% or lower of its
capacity left. In addition; a warning signal sounds every minute, the LED
flashes orange, and the dialog window “Battery low! Charge now!” appears.
The “Empty battery” icon flashes when the battery has 5% or lower of its
capacity left. In addition; a warning signal sounds every second, the LED
flashes red, and the dialog window “Battery empty! Shutting down!”
appears.
The “Half battery” icon is displayed when the battery has 50% of its capacity
left.
The “Full battery” icon is displayed when the battery is fully charged and has
100% of its capacity.
During a call, only the corresponding batte
ry warning signal notifies the user. The ba
ttery
warning signal cannot be silenced during a call. When not in call, the battery warning signal
can be silenced by pressing or .
14.1.2 Charge the Battery
Place the handset in the desktop charger or in t
he rack charge
r. The battery charges when
the LED on the handset is steady orange. When the battery is fully charged, the LED turns
green.
An animated battery icon is also shown in the display indicating charging by starting
with its current charge and ending with the full charge. A filled battery icon indicates a
fully charged battery.
NOTE: Only use the prescribed chargers for charging.
14.1
.3 Charge Spare Batteries
Spare batteries can be charged with a separate battery pack charger. It can charge six
bat
teries at the same time.
14.1.4 Replace the Battery
If the standby time for the handset becomes too low, the battery should be replaced by a
new one. Plea
se contact your system administrator or your supplier, for information about
new batteries. Attach the battery as described in the illustration below. The battery is easy