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Installation
43
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2001 Nokia Mobile Phones. All rights reserved.
• Loudspeaker installation
The best position for the RF speaker is in the lower front-seat
passenger area.
• Audio line out
Handsfree can also be provided by using the audio line out
signal of the 6090 in combination with an appropriate FM
car radio supporting the audio line-in function which enables
use of the car loudspeaker system instead of using the deliv-
ered handsfree loudspeaker HFS-10. For good performance,
use the front loudspeaker only and adjust the volume via the
6090 handset. So that keypad and warning tones may be
audible, the external handsfree loudspeaker also has to be
installed as described above. In case the FM car radio is not
equipped with a connector for the audio line-out signal (see
picture), the connector may be removed in order that the two
wires can be directly connected to the FM car radio line-in.
Since the 6090 audio line-out provides a differential signal
instead of a +/- signal, the wires may be connected either
way.
Warning! Don't connect the handsfree loudspeaker cable (3)
to the car radio line-in, you would damage the phone and the
car radio. Make sure you connect it only to the HFS-10 loud-
speaker provided. Do not use any other loudspeaker than the
one provided. Only the audio line-out cable provided (10)
may be connected to a car radio.
• Connection to the car battery
Take the voltage directly from the car battery and use the
cable supplied with the sales packages. This cable includes
fuses to protect the phone. If you do not so, noise may
impact the quality of the 6090 loudspeaker. The description
of the cable and its colour may be taken from the attached
illustration.
• GSM antenna
A dedicated 8W GSM antenna is recommended. For more
information about antenna see “GSM antenna” on page 37.
Warning! In order to comply with RF exposure requirements
for mobile transmitting devices, a minimum distance of
20 cm must be maintained between the antenna and all per-
sons.
• Connect only the 6090 handset to the system connector as
shown in the installation picture.
• When installing the radio unit, ensure a sufficient air supply
(e.g. not in a box under the carpet).
• Do not extend the system cable by any wires.
• Use only correct fuses.
• The backlight dimming line (9) requires a signal from the car
that matches VDA specifications if backlight dimming of the
phone is to be fully functional.
For further information, see Nokia 6090 Product Support on
www.forum.nokia.com website.