3489GSM
Installer manual
33
2.6
BACK-UP BATTERY
The battery backup is placed into the product.
Back-up Battery features: Ni-Mh 8,4V – 800mAh rechargeable
At the first power on, leave the device connected to the power supply for at least 20 hours for a
correct and complete battery charging.
You will have the best performance in battery autonomy after 2 or 3 cycles of complete charge
and discharge.
In environment temperature with new batteries the autonomy of device:
Standby time: about 6 hours (*)
Talk time: about 1 hour and 30 minutes (*)
(*) The battery life depends on several factors, i.e. the operating temperature of the device and the
quality of GSM signal.
2.6.1 REMOVE THE BACK-UP BATTERY
The replacement of battery must be carried out by qualified staff in our maintenance centre.
In special cases, to remove the battery disconnect
the device from the main power and exclude the
battery moving the switch.
Open the device, removing the upper and lower
cover: there are no screws, you need special tools.
Disconnect the
connector
as shown in picture.
Remove the board first, then you will be able to
remove the battery.