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TUNING
The electronic radio is capable of receiving
monaural and stereo broadcasts on AM and
FM wavebands. AM stereo broadcasts can
be received from stations that use the
®
Motorola
C-Quam
System.
"STEREO" indicator will appear on the
radio display whenever a stereo signal is
received.
To select the waveband you wish to hear,
simply press any one of the numbered
station select buttons located along the top
of the radio faceplate-1 through 6 for FM,
7 through 0 for AM. To tune to a specific
station, you may use any of the following
methods:
SEEK AND SCAN TUNING
The "SEEK" bar, located on the right side
of the radio faceplate, can be used to tune
in broadcast frequencies within AM or FM
wavebands. When the bar is pressed up,
the radio will automatically seek stations in
ascending frequencies; when pressed
down, it will do so in descending
frequencies.
The "SCAN" bar, located directly to the
right of the SEEK bar, allows sampling of
OM780.doc
radio stations within a waveband for
approximately five seconds each.
Pressing the bar up will cause stations to be
scanned in ascending frequencies; pressing
A
it down will result in a scan of descending
frequencies. If no action is taken during the
five-second period, the radio will tune to
the next station. Pressing either the SEEK
or SCAN bar a second time will cause the
radio to stay tuned to the station being
sampled.
SENSITIVITY CONTROL
To account for differing signal strengths
when tuning with the seek or scan
functions, the radio is equipped with a
tuning sensitivity control. This feature
enables you to choose on
sensitivity levels by pressing the sensitivity
control button, located on the far right side
of the radio faceplate. The level you select
will be indicated by a single-, double- or
triple-ringed symbol appearing on the right
side of the radio display. In the low level,
the radio will seek and scan only the
strongest signals. In higher sensitivity
levels it will seek and scan less powerful
signals as well. The sensitivity level is
automatically increased one step each time
the entire waveband has been sampled
without finding a station.
DIRECT FREQUENCY TUNING
To tune directly to a specific frequency,
switch to your desired waveband-AM or
FM-as described, then press the function
control button, which is identified by a star
and located just to the right of the radio
display. The display will go blank. Next,
press the numbered buttons corresponding
to the digits of your desired station. For
example, to select the frequency 98.5, you
would first press the function control
button to clear the display. Then you would
press button numbers 9,8,5, in consecutive
order. The display would then register
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98.5, and the station at that frequency
of three
would begin playing.
The driver, of course, should not use the
direct frequency method when the vehicle
is in motion.
The radio can also be fine tuned in
increments up or down through either
waveband. This is done using the two
buttons marked by arrows and located on
the lower right of the faceplate.
FINE ADJUSTMENT
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