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.

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

X3

X4

X5

X6

X7

X8

=Specific input number (1 or 2) 1 = input 1

2 = input 2

=0 = off, 1 = on

=Picture adjustment range (0 through 255)

=Sharpness level (details) (0 through 63)

=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

=Detected input signal standard (0 through 4)

0= none

1= NTSC 3.58

2= PAL

3= NTSC 4.43

4= SECAM

=Blanking adjustment range (0 through 127 lines)

=Scaler refresh rate

1= 50 Hz

2= 60 Hz

IN1502 • Serial Communication

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Image 31
Extron electronic IN1502 manual Using the command/response tables, Symbol definitions