User guide

DT690
“NO NETWORK” is
displayed
Cannot connect to
selected network or out
of range
Select another network,
subscribe, get back
within range or contact
system administrator
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
and go into
range. When reentering
the coverage area it
can take a couple of
minutes before the
telephone automatically
has registered into the
system.
SERVICE NEEDED
(1)
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.
Enter PIN code The telephone’s lock is
activated.
Enter the required PIN
code. If PIN code lost
enter new via PDM or
do a factory reset via
PDM.
“PIN Blocked Unblock?”
is displayed
Phone blocked, wrong
PIN code entered three
times
See Section 2.4 on page
10
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 to
do a factory reset.
Voice m ail number not
defined
ThereisnoVoicemail
number defined in the
telephone.
DefineaVoicemail
number via PDM.
No headset found Headset is turned off
Turn on headset
Headset is turned off Charge headset
Headset is out of range
Move headset closer to
phone
Headset is not in pairing
mode
Turn headset into
pairing/ discoverable
mode (see headset
manual for details)
146 1424-EN/LZT 103 090 Uen A1 2008-10-2 4