Owners Manual
2800 Series Marquee
2.10 Tutorial #7, Clearing Stored Messages
Clearing a stored message is the inverse of recalling a stored message. Clearing a stored message tells the
marquee to stop displaying that message. Suppose queuing is enabled, and stored messages 001, 002, and 003
are recalled, but you wish to remove stored message 002 from the queue while leaving stored messages 001 and
003 in the queue. Send the clear stored message command diagrammed below to accomplish this.
Address Header Entry
Start
Number
Start
Location Number Clear
Msg
End
Entry
CTRL-B A ESC CTRL-N 0 0 2 CTRL-C CTRL-E
02h 41h 1Bh 0Eh 30h 30h 32h 03h 05h
The address header section gets the attention of the marquee. The entry start section tells the marquee to
prepare to receive an entry. The number start section tells the marquee that the entry will be a three digit location
number. The location number section supplies the three digit location number (001 to 242). The clear message
section tells the marquee to clear a stored message. The previously supplied location number specifies which
stored message to clear. The end entry section tells the marquee that the entry is complete.
The marquee will remove stored message 002 from the queue, and continue to display stored messages 001 and
003. Try experimenting with recalling and clearing messages.
Note: You can clear a recalled message even if message queuing is disabled, however this requires that the
control system remember which message is currently recalled in order to supply that number again in the clear
command. When message queuing is disabled, it is easier to use the reset command described in the next and
final tutorial.
2.11 Tutorial #8, Reseting the Marquee
For our final tutorial, we will discuss the reset command, which is a very useful command. The reset command
clears any queued stored messages and also clears the immediate message buffer, forcing the marquee to
display the default message. To reset the marquee send the command diagrammed below.
Address Header Reset
Marque
CTRL-B A CTRL-R
02h 41h 12h
Note: The reset command does not make the marquee “reboot”, it merely clears recalled messages and clears
the immediate message buffer. However there is a way to command the marquee to reboot, send an abort
command, described in the reference section of this manual.
Please take a moment to scan through the reference section of this manual for information on other features that
have not been discussed in the tutorial, but you might find useful. At a minimum read through the descriptions of
the set scroll speed, and set pause time commands as these settings have a direct impact on every message
displayed on the marquee.
Page 22 PB-2149-335B
(12 Seiten)
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