Programmer’s Guide, cont’d
IN1404XT Video Scaler and Switcher • Programmer’s Guide4-14
Command/Response Table for RS-232 Commands (Cont’d)
Command ASCII Command Response Additional description
(host to scaler) (scaler to host)

Blanking (continued)

Set H blanking value to default [BH@] [OK] Reset the horizontal blanking
setting to its factory default (9).
View the H blanking value [BH?] [X31 ]Show the horizontal blanking
setting.
Set a specific V blanking value [BV X32 ] [OK] Specify the vertical blanking
adjustment.
Increment V blanking value [BV+] [OK] Increase the vertical blanking
setting by one.
Decrement V blanking value [BV-] [OK] Decrease the vertical blanking
setting by one.
Set V blanking value to default [BV@] [OK] Reset the vertical blanking
setting to its factory default (9).
View the V blanking value [BV?] [ X32]Show the vertical blanking
setting.

Total pixels

The total pixels and active pixels adjustments are interactive. Setting one of

these variables may require adjusting the other.

Set a specific total pixel value [TP X33] [OK] Specify the total pixels
adjustment.
Increment total pixels value [TP+] [OK] Increase the total pixels setting
by one.
Decrement total pixels value [TP-] [OK] Decrease the total pixels setting
by one.
Set total pixels value to default [TP@] [OK] Reset the total pixels setting to its
factory default (9).
View the total pixels value [TP?] [X33]Show the total pixels setting.

Scan type

1. The scan type settings are available for RGBHV, RGBS, RGsB, and

progressive component video inputs only.

2. Three scan type options are available; one, two, or all three can be turned

on simultaneously.

Toggle interlaced on or off [ST 0] [OK] Toggle the interlaced function on
or off.
Toggle swapped fields on or off [ST 1] [OK] Toggle the swapped fields
function on or off.
Toggle invert sync on or off [ST 2] [OK] Toggle the inverted sync function
on or off.
View scan type value [ST?] [X34]View scan type settings.

Input mode

The input mode settings are available for RGBHV, RGBS, RGsB, and

progressive component video inputs only.
Set input mode to autodetect [ST 0] [OK]
Allows the scaler to automatically
detect new input sampling rates
and adjust itself accordingly.
Set input mode to lockout changes
[ST 1] [OK] Prevents the scaler from
switching back and forth
between input sampling rates.