Digi-Star EZII Escape Computer Command Set - Manual (Page 38)

EZII Escape Computer Command Set
38
D36 48 Rev G November 30, 2009
Ea - EID Upload Data Field Command:
This command allows an alpha-numeric data field (26 characters in length) to be uploaded into one of the
twenty possible indicator data fields on the SW4600indicator "DATA" screen. This command is only valid
on a SW4600 EID indicator. This command includes the following information:
Start new command:
Command identifier: Ea
Data field index: nn (nn can be a number from 01 to 20, must be 2 digits)
Data Field Format Text: Sent exactly as shown below ( data)
Checksum:
End of command:
EannData Fields Check Sum
= Data Separator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dec 27 Hex 1B
E = EID Category . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dec 69 Hex 45
a = upload to indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dec 97 Hex 61
nn = Data field index ( nn can be number from 01 to 20, must be 2 digits )
= Start of Text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dec 2 Hex 02
data field = The actual data to be sent. Must be exactly 26 characters of Ascii Data. Valid characters
may not be less than Space " " (hex value 20) character and may not be greater than "z"
(hex value 7A) character of the ASCII character set.
= End of Text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dec 3 Hex 03
Check Sum = XOR'ed bits of each character in the data field (data between the and the ,
but does not include the or ) AND'ed with 63 to keep the lower 6 bits.
Added with 64 to make it a printable character.
= End of Transmission . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Dec 4 Hex 04
Command Response:
If the command is completed successfully, then the (Hex value 0x06) character will be returned
after receiving the command. If the command fails, the (Hex value 0x15) character will be returned.
Command Examples:
The following command string:
Ea10LOADS THIS DATA INTO SCALEchecksum
would load the text data "LOADS THIS DATA INTO SCALE" into the "DATA10" field on the
"DATA" screen of the SW4600 eid indicator.