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参数资料
| 型号： | LC72323-XXXX |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | QFP-80 |
| 文件页数： | 8/27页 |
| 文件大小： | 457K |
| 代理商： | LC72323-XXXX |
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DISP + MAN DN/T DN
When the clock is displayed, pressing these keys at the same time adjusts the hours setting. Each time the keys are
pressed the setting is incremented by 1 hour, and if they are held down together for over 500 ms, the minutes
setting slews at 4 hours per second. This operation does not affect the minutes or seconds setting.
14. VF
When this key is pressed, the radio is turned on in FM band (the last FM band) VF mode, whatever mode the radio
was set to. The VF display is turned on and the BAND1 and BAND2 outputs are set high. Then, 375 ms later (500 ms
from the AM band) an SD is checked and after another 375 to 500 ms an SK is checked. If that signal was high, that
frequency is held. If that signal was low, an SK station search is performed automatically. When SK goes high that
frequency is held.
The SK display is turned on if SK is high in the FM band in the European reception area, regardless of the state of VF
mode.
Note: * State from the previous band
The table below lists the operations that occur when the VF and SEEK keys are pressed according to the VF mode
and SK signal states.
The table below lists the operations that occur depending on SK and DK when VF is pressed when the system is
in tape or CD mode (with VF mode off).
On a power on (HOLD: low
→ high), SK is checked for 25 seconds, and a retune operation is started if low.
VF mode is cleared when the VF or BAND key is pressed. However, the BAND key is ignored if TAPE is low or
CD is on.
No. 4934-16/27
LC72323-XXXX
Key
Display state
Output state
BAND1
BAND2
VF
On
H
Off
*
When the VF key is
When the SEEK key is
When, during a seek,
When the VF key is
VF
SK
pressed
the seek key for the same
pressed during a seek.
(VF mode)
direction is pressed
VF mode is turned on and
A normal station search
The LC72323-XXXX stops
VF mode is turned on and
Off
L
an SK station search
is started.
at the frequency where
an SK station search is
is started.
pressed.
started.
A normal station search
The LC72323-XXXX stops
VF mode is turned on and
Off
H
VF mode is turned on.
is started.
at the frequency where
an SK station search is
pressed.
started.
VF mode is turned off and
On
L/H
VF mode is turned off.
An SK station search is
The seek continues.
the LC72323-XXXX returns
started.
to the state prior to entering
VF mode.
SK
DK
Operation when VF mode is switched from off to on by pressing the VF
Mode
key in tape or CD mode
The frequency is displayed and an up direction SK signal seek is started.
TAPE mode
L
If a high level SKIN is found, the display switches to CD or tape mode.
CD mode
If DK is high, operation continues with item below.
The tape or CD display remains unchanged. If DK is high, operation
TAPE mode
H
L
continues with item below.
CD mode
If SK goes low for 25 seconds, a retune operation is started.
H
The frequency is displayed and an ARI broadcast is started.
VF mode
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