Lexus GS350 2015 Navigation Manual
Manufacturer: LEXUS, Model Year: 2015, Model line: GS350, Model: Lexus GS350 2015Pages: 383, PDF Size: 46.51 MB
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AUDIO/VISUAL SYSTEM
4
6. TIPS FOR OPERATING THE AUDIO/VISUAL SYSTEM
1. OPERATING INFORMATION
NOTICE
●To avoid damage to the audio/visual sys-
tem:
• Be careful not to spill beverages overthe audio/visual system.
• Do not put anything other than an appropriate disc into the disc slot.
INFORMATION
●
The use of a cellular phone inside or near
the vehicle may cause a noise from the
speakers of the audio/visual system which
you are listening to. However, this does
not indicate a malfunction.
RADIO
Usually, a problem with radio reception
does not mean there is a problem with
the radio — it is just the normal result of
conditions outside the vehicle.
For example, nearby buildings and ter-
rain can interfere with FM reception.
Power lines or telephone wires can in-
terfere with AM signals. And of course,
radio signals have a limited range. The
farther the vehicle is from a station, the
weaker its signal will be. In addition, re-
ception conditions change constantly as
the vehicle moves.
Here, some common reception prob-
lems that probably do not indicate a
problem with the radio are described.
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6. TIPS FOR OPERATING THE AUDIO/VISUAL SYSTEM
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Fading and drifting stations: Generally, the
effective range of FM is about 25 miles (40
km). Once outside this range, you may no-
tice fading and drifting, which increase with
the distance from the radio transmitter.
They are often accompanied by distortion.
Multi-path: FM signals are reflective, mak-
ing it possible for 2 signals to reach the vehi-
cle’s antenna at the same time. If this
happens, the signals will cancel each other
out, causing a momentary flutter or loss of
reception.
Static and fluttering: These occur when sig-
nals are blocked by buildings, trees or other
large objects. Increasing the bass level may
reduce static and fluttering.
Station swapping: If the FM signal being lis-
tened to is interrupted or weakened, and
there is another strong station nearby on
the FM band, the radio may tune in the sec-
ond station until the original signal can be
picked up again.Fading: AM broadcasts are reflected by the
upper atmosphere — especially at night.
These reflected signals can interfere with
those received directly from the radio sta-
tion, causing the radio station to sound al-
ternately strong and weak.
Station interference: When a reflected sig-
nal and a signal received directly from a ra-
dio station are very nearly the same
frequency, they can interfere with each oth-
er, making it difficult to hear the broadcast.
Static: AM is easily affected by external
sources of electrical noise, such as high ten-
sion power lines, lightening or electrical
motors. This results in static.
FMAM