Page 10
SP Controls, Inc.
Changes to the SW1900-HD
The SW1900-HD’s RS-232 interface allows users and integrators the ability to control switching
and change the behavior of the SW1900-HD. This section will describe the commands that are
available and detail their affect on the system.
RS232/DB9 Cable Pin-Out
RS232/DB9 Cable Pin-Out
See Page 7 for the RS-232 cable pin-out configuration.
Upon power up the following image will appear:
PS190 by Presentation Switchers
Firmware Revision 1.0
$
The “$” indicates that the SW1900-HD is ready to receive a command. For a list of the available
commands, type “HELP” and hit the return key.
PS190 by Presentation Switchers
Firmware Revision 1.0
$ HELP
SW1900-HD Published Commands
-------- -----------------------------------------------
HELP - This page.
ID - Displays Device Identification
FRUN # - Freerun Mode (0 = Disable, 1 = Enable)
ASW - Displays Auto-Switch Feature Status.
ASW # - Selects Auto-Switch (0=Off, 1=On).
SW - Displays currently selected input being displayed.
SW # - Selects input ‘#’ (1-5) to be displayed.
RES - Displays EDID output resolution.
RES # - Selects output resolution from table (1-7), 1=1080p
MUTE # - Mutes Audio Output (0=Unmute, 1=Mute)
VOL - Displays Volume Level
VOL # - Set Volume Level (1-100)
+ - Increase Volume by 1 Step (1-100)
- - Decreases Volume by 1 Step (1-100)
LIN - Displays Line Input Volume Level (1-100)
LIN # - Changes Line In Level (1-100)
TRIM - Displays all TRIM Settings
TRIM # # - Sets Selected Input (#) to TRIM Setting (#)
DBG # - Sets Devices to Debug Mode
TV # - Uses CEC to control Display (0=Off, 1=On)
CEC # - Turns CEC On/Off (0=Off, 1=On)
