B&B Electronics 485T Manual do Utilizador descarregar pdf (Página 27)

Owners Manual

2800 Series Marquee

3.0 Marquee Command Reference

This chapter of the manual provides an alphabetical listing of every control sequence the marquee understands.

An example of each control sequence is diagrammed and the actions the marquee performs in response are

described in detail.

Marquee command and control sequences are divided into three main classes:

• Non-Escaped Commands – adjust global settings that effect the behavior of the marquee, or perform a utility

function such as erasing the EEPROM chip.

• Escaped Commands – used to enter, store, recall, and clear messages and other related text buffers.

• Message Text Enhancements – character sequences embedded within messages to modify the way text is

presented on the marquee.

3.1 Non-Escaped Commands

None-Escaped commands are used to adjust global settings that effect the behavior of the marquee, or perform a

utility function such as erasing the EEPROM chip.

3.1.1 Abort [CTRL-A]

Address Header Abort

CTRL-B A CTRL-A

02h 41h 01h

• 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.

• Abort – instructs the marquee to “reboot” itself by asserting the processor chip reset line.

Use the abort command to force the marquee to perform a hardware reset. The effect is similar to pressing the

reset button on your PC.

PB-2149-335B Page 23

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