7
influences battery capacity. Battery may need to be cooled or
warmed up before charging. If the battery temperature is
lower than 0 ° C or higher than 45 ° C, do not charge the
battery. Use the battery according to its intended purpose.
Do not short-circuit the battery terminals. Do not use a
damaged battery. If you are using an appliance under
extreme temperature conditions, the battery will not work
properly and its life span will be reduced. DO NOT throw the
battery into fire, follow local laws and regulations regarding
the disposal of the spent battery.
5. Use this unit
5.1. Power On/Off
Press and hold the End / On-Off button to turn the unit on or
off.
1. If a SIM card is not inserted, it is defective or not fit correctly,
a warning message will be displayed after switching on the
display. Turn off your readiness and make sure the SIM card
is inserted correctly.
2. If you insert the SIM card into the device, the PIN request
and the phone password are active, the device prompts you
for the password and PIN code and switches to standby mode.
After switching on, the phone automatically searches for the
network. If the device has found the allowed network, it will
display its name and signal strength.
If your device does not find a suitable network, you can only
make an emergency call or access non-network services on
your phone