Extron electronics Two InpuT VIdeo Scaler IN1502, User Manual, Page: 31 / 44

3-3 IN1502 • Serial Communication
Using the command/response tables
The command/response tables on the next page list valid command ASCII codes,
the scaler’s responses to the host, and a description of the command’s function
or the results of executing the command. Uppercase and lowercase characters
may be used interchangeably in the command field.
The ASCII to HEX conversion
table at left is for use with the
command/response tables.
ASCII to Hex conversion table
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
= Specific input number (1 or 2)
1 = input 1
2 = input 2
X2
= 0 = off, 1 = on
X3
= Picture adjustment range (0 through 255)
X4
= Sharpness level (details) (0 through 63)
X5
= Scaler resolution
1 = 640 x 480
2 = 800 x 600
3 = 848 x 480
4 = 852 x 480
5 = 1024 x 768
6 = 1280 x 768
7 = 1360 x 765
8 = 1366 x 768
X6
= Detected input signal standard (0 through 4)
0 = none
1 = NTSC 3.58
2 = PAL
3 = NTSC 4.43
4 = SECAM
X7
= Blanking adjustment range (0 through 127 lines)
X8
= Scaler refresh rate
1 = 50 Hz
2 = 60 Hz