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16
CIRCUIT DESCRIPTION
Momentary Keys
Name
ATT
Operation Description
Attenuate Switch
Depending on the initial setting, this key may
also be used for POWER ON/OFF function. In
this case, reading is performed at the power
OFF? (boot down?).
Volume Up Switch
Depending on the initial setting, this key may
also be used for the POWER ON function.
Volume Down Switch
Depending on the initial setting, this key may
also be used for the POWER OFF function.
POSITION
Balance/Fader
adjustment,
Display
select
switch
TONE
lf 'LW'
band is provided, this is also used
ae
for selection between MW and LW band.
[FM =|
FM Band call switch
fo
SDK mode cail key
V DOWN
Bass/Treble
adjustment,
Display
select
switch
AM Band call switch
P-Scan key in radio mode, and Eject key in
tape mode.
AM
FM
SDK
Calling of the SDK mode is also possible in
tape mode.
P-SCAN/EJECT
ABSS ON/OFF Key (SDK OFF, RADIO MODE)
ABSS
SK SEEK
Key (SDK ON, TAPE
or RADIO
MODE)
Auto Tuning ON/OFF key.
AUTO
This is effective only in radio mode.
Local ON/OFF key.
LOCAL
Effective during T-Call or SDK mode in either
radio or tape mode.
/ME
————_—«|_ PRESET MEMORY ENABLE Key
Up Seek key.
oEEG
Functions as SK Seek in SDK mode.
Sequential Access key in radio mode.
a ied) li
PLAY/PROGRAM key in tape mode.
UPIFE
Auto/Manual Up tuning key in radio mode.
Fast-Forward key in tape mode.
DOWN/REW
Auto/Manual
Down
tuning
key
in radio
mode.
Rewind key in tape mode.
Operation Description
1-ch recall and memory
write key in radio
mode.
Metal tape ON/OFF key in tape mode.
T/METAL
2/T. ADV
3/T-CALL
4/DOLBY-B
5/DOLBY-C
DIRECT
2-ch recall and memory write key in radio or
tape.
Tape Advance ON/OFF key in tape mode.
3-ch recall and memory
write key in radio
mode.
Tuner Call ON/OFF key in tape mode.
4-ch recall and memory
write key in radio
mode.
DOLBY B-type select key (changeable by the
initial setting of ''DOLBY'') in tape mode.
5-ch recall and memory write key in radio
mode.
DOLBY C-type select key (changeable by the
initial setting of '7DOLBY'') in tape mode.
Channel
recall and memory
write keys for
6-ch to O-ch in radio mode.
However, the keys from 7 through O may be
invalid
depending
on
the initial setting of
"'CHA"' and ''CHB"'.
Direct Access Enable key
This
key
is effective
only
when
all
10
numeric keys are enabled by the initial set-
ting of ''CHA"' and ''CHB"'.
for
orronsw
Cd
Alternate Keys
Forward/Reverse detection switch
eM DIRvS
ON: Forward, OFF: Reverse
EJECT/PACK IN
Pack In/Eject operation detection switch
Active high.
Stereo broadcast detection input
Active high.
Digital Audio Reset
Digital audio operation detection input.
Active high.
SK station
detection
input (concerning
SK
Seek operation)
ST
SK
Active high.
DK/Noise
DK broadcast/external noise detection input
Active high.
SK station
detection
(for lighting the SK
display)
Active high.
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