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参数资料
| 型号： | LC7232-8291 |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PQFP80 |
| 封装： | QIP-80 |
| 文件页数： | 11/33页 |
| 文件大小： | 514K |
| 代理商： | LC7232-8291 |
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LC7232-8291
No.3673–19/33
(9) PS/AMEN
This key is used to perform two different functions. If it is pressed for less than 2 seconds, the PS (Preset Scan) mode
will be started. If it is pressed for more than 2 seconds, the AMEN (Auto store MEMory) mode will be started.
This key is effective only when the HOLD signal (active low) becomes active or at the POWER on.
(a) PS (Preset Scan) operation
If this key is pressed, the channel number currently display will be incremented sequentially. If no channel number is
displayed currently, the increment will start from channel number 1. If the desired station is encountered, the AMUTE
(active low) becomes inactive for five seconds. The LOC/DX is set to the DX unconditionally. The channel number
display blinks at a cycle of 1Hz during the PS operation. If this key is pressed twice in a row, the PS mode will be
released.
The PS mode can be released by pressing any one of the following keys :
PS/AMEM , SEEK UP , SEEK DOWN , SCAN , UP , DOWN , M1 to M6 , POWER , BAND and VF .
In addition, the PS mode can be released when the HOLD signal (active low) becomes active, and TAPE or CD mode
is started.
The Preset Scan direction is determined by the DIMRX ‘FMB0, FMB1, B0-B2’, as shown below :
(b) AMEM operation
FM mode
Channels are stored to M1 to M6 in this order according to the intensities of electric field (ADI pin input).
[FM1, FM2 and FM3 selection mode] (DIMRX ‘FMB0, 1’=0, 0)
: If the FM1 band is first selected, channel storage starts from the M1 of the FM1 to the M6 of the FM3.
→ 18
channels.
: If the FM2 band is first selected, channel storage starts from the M1 of the FM2 to the M6 of the FM3.
→ 12
channels.
: If the FM3 band is first selected, channel storage starts from the M1 of the FM3 to the M6 of the FM3.
→ 6
channels.
[FM1 and FM2 selection mode] (DIMRX ‘FMB0, 1=1, 0)
: If the FM1 band is first selected, channel storage starts from the M1 of the FM1 to the M6 of the FM2.
→ 12
channels.
: If the FM2 band is first selected, channel storage starts from the M1 of the FM2 to the M6 of the FM2.
→ 6
channels.
[FM1 only selection mode] (DIMRX ‘FMB0, 1=0, 1]
: If the FM1 band is selected, channel storage starts from the M1 of the FM1 to the M6 of the FM1.
→ 6 channels.
[VF selection mode] (DIMRX ‘VF SELECT’=1)
: If the VF band is selected, channel storage starts from the M1 of the VF to the M6 of the VF.
→ 6 channels.
MW and LW modes
Place the system in the LOCAL mode by setting the LOC pin level to ‘H’. Then, start the channel storage from M1.
If some of the M1 to M6 are not used for channel storage, change the LOC pin level to ‘L’ to activate the DX mode
and then store channels to the remaining memories.
None-LW mode (MW1 and MW2)
If the MW1 band is first selected, channel storage starts from the M1 of the MW1 to the M6 of the MW2.
→ 12
channels.
If the MW2 band is first selected, channel storage starts from the M1 of the MW2 to the M6 of the MW2.
→ 6
channels.
During the auto store operation under any band mode, the ‘
’ will be flashed at a cycle of 1Hz. If the entire channel
storage area is not used up, the remaining preset channel area is left as is. In this case, channel ‘1’ is read and then
displayed.
The one of the following keys can be used to release the AMEM operation.
PS/AMEM , POWER , BAND , VF , and CD
In addition, this operation mode will be released when the HOLD signal (active low) becomes active, and TAPE or
CD mode is started.
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