Aastra 650c User Guide Aastra 650c for Aastra 400 - Page 20

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Operating and display elements Display symbols Radio link quality Very good Disruption probable Good Phone calls not possible State of charge Charge state 61-100 % Charge state 11-30 % Charge state 4-5 % Charge state 31-60 % Charge state 6-10 % Charge state 0-3 % (flashing) Notes: • If the battery is completely discharged when the phone is placed in the charging unit, there will be no display initially until the battery has reached a certain charge level. This may take several minutes and does not mean there is a malfunction. • Even when the phone is switched off, the battery will still slowly discharge. • When the battery capacity is almost exhausted, a series of warning beeps sounds. This warning can be disabled, see chapter "Setting up an audio profile", page 86. If you are making a call, you have approximately five minutes' talk time left before the handset switches itself off. • The state of charge is also available via the service menu: Press key 5 and hold it down for a moment. • Information on operating times can be found in the chapter "Battery charge and usage times", page 119. • Information on operating times can be found in the chapter "Battery", page 111. System registrations Phone registered in system A, B, C, or D and ready for use (only displayed when phone is registered on more than one system) 20 Aastra 650c eud-1587/1.0 - R3.0 - 04.2013

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Operating and display elements
20
Aastra 650c
eud-1587/1.0 – R3.0 – 04.2013
Display symbols
Radio link quality
Very good
Good
Disruption probable
Phone calls not possible
State of charge
Charge state 61-100 %
Charge state 31-60 %
Charge state 11-30 %
Charge state 6-10 %
Charge state 4-5 %
Charge state 0-3 % (flashing)
Notes:
•
If the battery is completely discharged when the phone is placed in the charging
unit, there will be no display initially until the battery has reached a certain charge
level. This may take several minutes and does not mean there is a malfunction.
•
Even when the phone is switched off, the battery will still slowly discharge.
•
When the battery capacity is almost exhausted, a series of warning beeps sounds.
This warning can be disabled, see chapter
"Setting up an audio profile"
, page
86
.
If you are making a call, you have approximately five minutes' talk time left before
the handset switches itself off.
•
The state of charge is also available via the service menu: Press key 5 and hold it
down for a moment.
•
Information on operating times can be found in the chapter
"Battery charge and
usage times"
, page
119
.
•
Information on operating times can be found in the chapter
"Battery"
, page
111
.
System registrations
Phone registered in system A, B, C, or D
and ready for use (only displayed when
phone is registered on more than one
system)