1.3.3
Direct frequency input for a known
radio station
lf the transmitting frequency of a station
is known
(from
pro-
gram guides
or regional station directories), the
frequency can
be entered directly
via the keyboard
[32].
-
Prepare tuner as described
in
Section 1.1.
-
Press
CHARACTER
[4]
to
instruct
the tuner
to accept
key-
board entries.
-
Enter frequency, e.g.
87.5
MHz:
press
8,7,5,0.
After
the last
digit
has
been entered,
the tuner
receives
the
corresponding
station.
Frequencies of the
12.5
or the
25
kHz
pattern
can
also be en-
tered; e.g. for
98.7625
MHz
press:
L B,7
,6.
After
the last digit
(second
after the
implied decimal
point),
the tuner automatically
complements the entry
to the re-
quired
channel
pattern
frequency
of
98.7625
MHz.
Keying errors
can be corrected as
follows:
-
Press
CLEAR
[33].
The complete
entry
is cancelled
and a new
frequency can
be
entered.
lf an X appears
in
the
display
window
after
a key
has been
pressed,
this signifies
that an
invalid frequency
has been en-
tered
(e.9.
the
first
digitwas
a
7
which invalidates
the entry be-
cause
the
FM band starts at
87.5
MHz).
The microprocessor verifies each entry.
1.3.4 On-channel tuning
ln auto
tuning mode.
the
FM
band is
scanned in the
50
kHz
chan-
nel
pattern.
lf the TUNING meter
[30]
is not in the center when
the search
stops, the station is
broadcasting
on a
frequency
of
the
25 or
12.5
kHz channel
pattern.
Such stations can be tuned
on channel
by
pressing
the
12.5
kHz
buttons
[5]
and
[6].
B 261
.
SYNTHFSITFR FM TI]NER
SIGNAL STFF:NGTH
NAMF'FREOIJENCY,STATION
B 261
.
SYNTIIISIZEN
FM TUNER
S Gll.1t
IITRENGIH
NAMC, rRSCUel!{lY. 5
LlIrOr!
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