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LC-W4 Basic Serial Command Functional Specifications

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7.10 Status 2 Read Command

COMMAND “CRA” [CR]

Detail Get the operating status of Video Mute & Volume Mute

Acceptable “%1” [CR]

１

Return hexadecimal digit of 1 byte as a two-figure character

line. Hexadecimal digit is regarded as eight bits and each bit is

defined as below:

+ + + + + + + +

Bit 0: No Show ON=1/OFF=0

(ON =1, OFF =0)

Bit 1: Mute ON=1/OFF=0

(ON =1, OFF =0)

Bit 2: Spare

Bit 3: Spare

Bit 4: Spare

Bit 5: Spare

Bit 6: Spare

Bit 7: There is a signal / no signal

(No signal =1, Signal =0)

Example:

1) When No Show is ON: ++++ +++1

Sound Mute ON: ++++ ++11 ĺ “03”

Sound Mute OFF: ++++ ++01 ĺ “01”

There is no signal: 1+++ +++1 ĺ “81”

2) When No Show is OFF: ++++ +++0

Sound Mute ON: ++++ ++10 ĺ “02”

Sound Mute OFF: ++++ ++00 ĺ “00”

There is no signal: 1+++ +++0 ĺ “80”

When it is in Standby mode or processing Cooling Down, it

returns “FF” [CR] [LF] in spite of the conditions above.

Response

Unacceptable “?” [CR]

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Eiki LC-W4 User Manual Page 22