JVC DLA-RS45U Command Communication Specification for D-ILA Projectors (v1.7 f - Page 10

Parameter

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3 Protocol 3.6 Parameter 3.6.1 Numeric value parameters Signed 2-byte hexadecimal code represented by 4 (byte) characters. Ex-1) The parameter indication '20' (decimal): Since '20' (decimal) is represented as '0014' in signed 2-byte hexadecimal, its parameter is: '0014'(30H 30H 31H 34H) Ex-2) The parameter to indicate '-2' (decimal): Since '-2' (decimal) is represented as 'FFFE' in signed 2-byte hexadecimal, its parameter is: 'FFFE'(46H 46H 46H 45H) 3.6.2 Special parameter The parameters are generally interpreted with ASCII characters. But some of the commands have a unique interpretation (for the details, see the section on Command sequences). HEX 0x2B 0x2D 0x30 0x31 0x30 ~ 0x39 0x41 ~ 0x5A ASCII '+' '-' '0' '1' '0'~'9' 'A'~'Z' Meaning '+' '-' OFF/NO/Disable ON/YES/Enable '0'~'9' 'A'~'Z' 10 / 80 PJ03220107B

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3 Protocol
10 / 80
PJ03220107B
3.6
Parameter
3.6.1
Numeric value parameters
Signed 2-byte hexadecimal code represented by 4 (byte) characters.
Ex-1)
The parameter indication ‘20’ (decimal):
Since ‘20’ (decimal) is represented as ‘0014’ in signed 2-byte hexadecimal, its parameter is:
‘0014’(30H 30H 31H 34H)
Ex-2)
The parameter to indicate ‘-2’ (decimal):
Since ‘-2’ (decimal) is represented as ‘FFFE’ in signed 2-byte hexadecimal, its parameter is:
‘FFFE’(46H 46H 46H 45H)
3.6.2
Special parameter
The parameters are generally interpreted with ASCII characters.
But some of the commands have a unique interpretation (for the details, see the section on Command sequences).
HEX
ASCII
Meaning
0x2B
'+'
'+'
0x2D
'-'
'-'
0x30
'0'
OFF/NO/Disable
0x31
'1'
ON/YES/Enable
0x30 ~ 0x39
'0'~'9'
'0'~'9'
0x41 ~ 0x5A
'A'~'Z'
'A'~'Z'