Charging the battery – Siemens CF75 User Manual

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Charging the battery

The battery is not fully charged

when delivered. Plug charger cable

into the bottom of the phone, plug

power supply unit into a mains pow-

er socket and charge for at least two

hours

Display during charging.

Charging time

An empty battery is fully charged after

about 2 hours. Charging is only possi-

ble within a temperature range of

+5 °C to 45 °C. If the temperature rises/

falls 5 °C above/below this, the charge

symbol flashes a warning. The mains

voltage specified on the power sup-

ply unit must not be exceeded.

Operating time

The operating time depends upon

the respective conditions of use. Ex-

treme temperatures considerably re-

duce the phone’s standby time.

Avoid placing the phone in the sun

or on a heater.
Call time: 100 to 330 minutes

Stand-by time: 60 to 275 hours

Charge icon not visible

If the battery has been discharged

fully, the charge icon is not immedi-

ately visible when the power supply

is plugged in. It will appear after up

to two hours. In this case the battery

is fully charged after 3 to 4 hours.
Only use the plug-in power supply

included in delivery!

Display while in service

Charge level display during opera-

tion (empty–full):

A beep sounds when the battery is

nearly empty. The charge level of the

battery is only displayed correctly af-

ter an uninterrupted charging/dis-

charging cycle. You should therefore

not remove the battery unnecessarily

and where possible not finish the

charging process prematurely.

Additional information
The power supply unit heats up when used

for long periods. This is normal and not

dangerous.
If the battery is removed for longer than

30 seconds, the clock must be reset.