1Preparations

Ack

Header

Command

 

Data length

Ack/Nak

r-CMD

Val1

 

 

 

ID

 

 

 

 

Checksum

0xAA

0xFF

3

‘A’

0x18

"Screen

 

 

 

Mode"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

"Screen Mode": A code that sets the product status Nak

Header

Command

ID

Data length

Ack/Nak

r-CMD

Val1

Checksum

 

 

 

 

 

 

0xAA

0xFF

3

‘N’

0x18

"ERR"

 

 

 

 

 

 

 

 

 

 

"ERR": A code showing what error has occurred

Screen size control

Function

The screen size of a product can be changed using a PC. Viewing the screen size (Get Screen Size Status)

Header

 

Command

 

ID

 

Data length

Checksum

 

 

 

 

 

 

 

 

 

 

 

 

0xAA

 

0x19

 

0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Ack

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Header

Command

 

 

Data length

 

Ack/Nak

 

r-CMD

 

Val1

 

 

 

 

ID

 

 

 

 

 

 

 

 

 

Checksum

0xAA

 

0xFF

 

3

 

 

‘A’

 

0x19

 

"Screen

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Size"

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

"Screen Size": product screen size (range: 0 – 255, unit: inch) Nak

Header

Command

ID

Data length

Ack/Nak

r-CMD

Val1

Checksum

 

 

 

 

 

 

0xAA

0xFF

3

‘N’

0x19

"ERR"

 

 

 

 

 

 

 

 

 

 

"ERR": A code showing what error has occurred

1 Preparations 51