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19DXP DVI Pro and DXP HDMI Series • Operation
Selecting the RS-232/RS-422 Port Protocol and Baud
Rate (Rear Panel)
NOTE: The serial port settings are protected when front panel
lock mode 2 is selected. You can view the settings in lock
mode 2 but you cannot change them from the front
panel.
To enable changes to the mute settings, set the lock mode
to 0.
To view and configure the serial communications settings for the
switcher from the front panel:
1. Simultaneously press and hold all four Control buttons
(Enter, Preset, View, and Esc) until all of them light or blink
(approximately 2 seconds). In addition:
• The Control button that represents the current baud rate
blinks.
• The I/O button that represents the protocol blinks.
The Control button that continues flashing indicates the baud rate
as follows:
Enter — 9600 Preset — 19200
View — 38400 Esc — 115200
The I/O button that continues flashing indicates the protocol as
follows:
Video — RS-232 Audio — RS-422
In this example, the port is set to RS-232 at 9600 baud.
Press and hold the Enter, Preset,
View, and Esc buttons.
All Control buttons light with
one flashing.
Both I/O buttons light
with one flashing.
2 seconds
I / O
AUDIO
C O N T R O L
PRESET
ENTER
ESCVIEW
C O N T R O L
ESCVIEW
ENTER
PRESET
VIDEO
Figure 18. RS-232/RS-422 and Baud Rate Display
2. Release the Control buttons.