Using the command/response tables
The command/response tables on the next page list valid command ASCII codes, the decoder’s responses to the host, and a description of the command’s function or the results of executing the command. Upper and lower case characters may be used interchangeably in the command field.
ASCII to HEX Conversion Table |
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The ASCII to HEX conversion table at left is for use with the command/response tables.
ASCII to Hex conversion table
The command/response tables use symbols (defined below) to represent variables.
Symbol definitions
= CR/LF (carriage return/line feed) (hex 0D 0A)
•= Space
Esc = Escape key
X1
X2
X4
X5
X8
=Specific input number (0 through 4)
0= no input
1= input 1, 2 = input 2, and so forth
=0 = off, 1 = on
=Video signal type (1 through 7)
1= composite video
2= YC
3= YUV
5 = RGBS
6 = RGBcvS
7 = SDI (serial digital interface)
=Input (1 to 4)
=Controller firmware version (listed to two decimal places e.g.: x.xx)
X10 = Picture adjustment range (0 through 255)
X12 = Detected input signal standard (0 through 4)
0 = none
1 = NTSC 3.58
2 = PAL
3 = NTSC 4.43
4 = SECAM
–= not applicable (occurs when the input is set for RGB, YUV, or progressive YUV)
X13 = Detail level (0 through 63)
X14 = Adjustment range (0 through 127)
X16 = Executive mode status (0 through 2)
0 = disabled (executive mode off, normal mode on)
1 = enabled, image adjustments are locked
X17 = Blanking adjustment range (0 through 127 lines)
QSD 204 • Serial Communication |