
Owners Manual
2800 Series Marquee
3.1.6 Invisible Entry [CTRL-I]
Address Header Invisible
Entry
CTRL-B A CTRL-I
02h 41h 09h
• Address Header – directs the command to the specified marquee. To send the command to a different
marquee, change the second character of the address header to the address of the marquee you wish to send
the command to. If you have disabled the addressing feature of the marquee, do not send the address header
section.
• Invisible Entry – instructs the 2800 marquee to set the internal invisible entry flag.
Use this command to set the invisible entry flag. The flag will be cleared after the next text entry command.
When the invisible entry flag is set, the text entry command will not copy the message text literal to the immediate
message buffer. The primary use of this behavior is to prevent a text entry from being displayed on the marquee.
The most common example of this is updating insert data buffers. See manual sections 3.2.5 and 3.3.1 covering
insert data operations for more information.
3.1.7 Lamp Test [CTRL-K]
Address Header Lamp
Test
CTRL-B A CTRL-K
02h 41h 0Bh
• Address Header – directs the command to the specified marquee. To send the command to a different
marquee, change the second character of the address header to the address of the marquee you wish to send
the command to. If you have disabled the addressing feature of the marquee, do not send the address header
section.
• Lamp Test – instructs the 2800 marquee to run test patterns on the LED display.
Use this command to lamp test the marquee LED display. The test pattern is designed to fully exercise the LED
matrix, and is used by the factory during product testing before shipping the unit to the customer.
To terminate the lamp test, send a reset command, or send another lamp test command. The marquee will return
to displaying any active queued or immediate messages.
Page 26 PB-2149-335B
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