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WN-5230-S VideoWall User’s Guide
85
SOURCE
On = valid source detected on the selected input. If this is
off, either the wrong source is selected, or the source has
no signal in it.
GLOBAL
This LED glows whenever data activity is detected at the
RS-232 connector. It does not matter whether the packet
was addressed to this unit on not, or even whether this is
a command formatted for Clarity display use. It tells you
there is a good connection to the controlling computer.
The brightness of the LED is proportional to the density of
the incoming data.
LOCAL
This LED glows very briefly whenever a valid packet of
data is detected at the RS-232 connector and the packet
is meant for this unit. It may be a global command, or a
command addressed specifically to this unit. This display
unit will try to execute this command. It will return an
acknowledgement (ACK) only if the command was
addressed to this unit exclusively.