User guide

DT690
Display shows Probable cause Action or comment
No system
The telephone beeps
once a minute (during
max 30 minutes) with
a low tone followed by
a high tone (if enabled,
the vibrator also follows
the beeps).
The telephone is out of
coverage or telephone
is defective.
Stop the beep with the
Sound off key and go
into range, or contact
system administrator.
(When re-entering
the coverage area it
can take a couple of
minutes before the
telephone automatically
has registered into the
system.)
SERVICE NEEDED
Parameters
corrupt
The telephone is
defective.
Select reset option on
the middle soft key if
available or if no reset
option is available or
fault does not resolve
the telephone needs
repair.
(1)
Battery low
The battery level is low.
Charge the battery.
Enter IPEI
The phone is blocked,
that is, if you have
entered the wrong PIN
code more than three
times.
Enter the IPEI code and
press
.
Phonebook is not
available at the
moment
The phonebook does
not respond, not
available at the moment.
Try again later. If fault
persists, contact your
system administrator.
Voice mail number
not defined
ThereisnoVoicemail
number defined in the
telephone.
DefineaVoicemail
number via Desk
PDM/CPDM.
(1) This display message only shown in English
116 1424-EN/LZT 103 088 Ue n A2 2008-11-21