WN-5230-S VideoWall User’s Guide
IDT – IDT is a
Multiple units can be controlled simultaneously by using the ASCII character for the asterisk (*) in place of either or both of the IDT monitor ID bytes. The
(*)is a wild card character and provides a means to control multiple units simultaneously. There are four types of addressing that are supported.
1.Single address mode – the entire address is specified: 00, 01, 02, A2, AA, FF are valid examples. Only the single display that matches this address attempts to execute this command. An acknowledgement is sent in this mode. Note: Do not set several displays to the same Unit and Group address. If two displays have the same Group and Unit ID, and a Single Address Mode command is sent to that address, both units will send an acknowledgement at the same time, causing some confusion in the data on the
2.Group address mode – the group part of the address is specified, while the unit part of the address is not: 1*, 9*, A*, F* are valid examples. All displays that match the group number attempt to execute this command. No acknowledgement is sent in this mode.
3.Unit address mode – the unit part of the address is specified, while the group part of the address is set as global: *2, *9, *F are valid examples. All displays that match the unit number attempt to execute this command. No acknowledgement is sent in this mode.
4.Broadcast mode – both group and unit are “*”, so the IDT part of the packet is “**”. All displays attempt to execute this command. No acknowledgement is sent in this mode.
All addressing is done in hex.
CMD - CMD is a
ASCII ETX - End of transmission character, = 03h
Description | Abbreviation | Hex | Decimal | Character | Control |
End of Text | ETX | 03 | 3 | ❤ | Ctrl- C |
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For example, to turn on a display with an address of 06, it would need to receive the following command:
99