– DTMF setting (Dual Tone Multi
Frequency) to repeat dialling and in-
hibit the own identification number
transmission
– selection of network provider
– setting volume and tone of incom-
ing calls
– displaying the remaining credit for
a pre-paid SIM card (if provided for by
the telephone company)
– display of signal field intensity and
other status warnings with symbols
and words.
PRELIMINARY
OPERATIONS
ENTERING AND EXITING
THE TELEPHONE MODE
To enter the telephone mode pro-
ceed as follows:
– turn ignition key to ON;
– short push on “TEL” button 19-fig.
1 on front panel.
The display shows the telephone
mode “main screen” fig. 39 that pro-
vides the following information:
– Time.
– GSM field strength. If telephone
mode is “switched off” the display
shows “TEL OFF”. GSM signal
strength is shown even if no SIM card
is inserted.
– Active GSM provider. If a SIM card
is inserted and validated by PIN and no
provider is available, the display will
show “FIND…”.
– An envelope-shaped symbol to in-
dicate unread SMS message/s.
– An arrow-shaped symbol to indi-
cate active call forward.
– Active AUDIO source information.
– “TEL” string to indicate that tele-
phone module is currently active.
– A box to input telephone number
with “DIAL NUMBER” string.
– An icon key: “Delete” to clear off
the telephone number input in the
box.
61
CONNECT NAV+
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