JVC DLA-DS1U Serial protocol for the DLA-DS1U and DLA-M2000LU/SC D-ILA project - Page 6

Parameters

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6. CR Indicates the end of each set of data. (0DH) 7. PARAMETERS There are three types of parameters: 1.Indicates the numeric value. 2.Indicates the ON/OFF status. 3.Special parameter. 7.1 Numeric Value Parameter Signed 2-byte hexadecimal code represented by 4 (byte) characters. Assignable range is between '8000' and '7FFF'. Ex-1) The parameter indicating '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) 7.2 ON/OFF Status Parameter Indicates the ON/OFF status of items such as POWER or HIDE. Character '0' '1' HEX 30 31 Definition OFF ON 5

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5
6. CR
Indicates the end of each set of data. (0DH)
7. PARAMETERS
There are three types of parameters:
1.Indicates the numeric value.
2.Indicates the ON/OFF status.
3.Special parameter.
7.1 Numeric Value Parameter
Signed 2-byte hexadecimal code represented by 4 (byte) characters.
Assignable range is between ‘8000’ and ‘7FFF’.
Ex-1) The parameter indicating ‘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)
7.2
ON/OFF Status Parameter
Indicates the ON/OFF status of items such as POWER or HIDE.
Character
HEX
Definition
‘0’
30
OFF
‘1’
31
ON