LC72323-XXXX 데이터 시트보기 (PDF) - SANYO -> Panasonic

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LC72323-XXXX

Provisional development specification

SANYO -> Panasonic 

LC72323-XXXX

4. Scan up

In this mode, the system searches for a station. When a station is found it stops and holds that station for 5 seconds

(with AMUTE high) and flashes the frequency display. If the key is pressed once again during that interval, the

system stops and holds that frequency. If no event occurs during that 5 second interval, the system resumes the

search.

If the seek down key is pressed during a scan, a seek in the down direction starts. Scan mode is cleared by pressing

the scan up key twice. The scan pauses for 500 ms when switching from one band edge to another. The search speed

is 50 ms per step in FM mode, and 70 ms per step in AM mode.

5. Band

• Pressing this key switches the band.

The table lists the band switching operation under each reception area.

Band switching with the band

FM1

FM2

MW

LW

Reception area

Europe 1

FM1

FM1

FM2

FM2

FM3

FM3

AM USA 2, Middle east/Australia 2,

Europe 3, South America

Europe 1

FM1

FM2

AM

FM1

FM2

USA 1, Middle east/Australia 1,

South America

USA 1, Middle east/Australia 1

FM

AM

Europe 3

MW

LW

Europe 2

• See the description for the AREA0 to AREA3 diode switch settings for details on the reception areas.

6. Local

Pressing this key in radio mode turns off the DX display. If a seek or scan key is pressed in this state, the local pin goes

high and a local search is performed. When the seek or scan is cleared, the local pin goes low. (See section “LOC pin

control”)

Key

LOCAL

Display state

On

DX

Off

Note: The initial state is DX mode.

Normal output state

L

L

Search mode output state

L

H

7. Loudness

When this key is pressed, the “LOUD” indicator lights and the LC75371M LOUD DATA goes to the on state. If this

key is pressed while the LOUD indicator is lit, the indicator goes out and the LC75371M LOUD DATA goes to the

off state.

8. Power (Can be used when DIMRX POWSEL = 0.)

This key is used when controlling the power by the tact key in the key matrix.

Pressing this key inverts the POWER pin.

No. 4934-13/27

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