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MESSAGE FORMATTING
171
6 MESSAGE FORMATTING
The system always provides scanner to host data communication using the following
message formatting:
Output Message from PowerScan
®
D8330 or PowerScan
®
M8300 Stand-alone
Towards Host
[Header] [Scanner_Addr] [Scanner_Addr_delimiter] ] [Cradle_Addr] [Cradle_Addr_delimiter]
[Time stamp] [Ts_delimiter] [Code ID] [Code Length]
CODE
[Terminator]
[Items in square brackets are optional.]
Output Message from PowerScan
®
M8300 STAR-System™ Towards Host
[Time stamp] [Ts_delimiter] [Header] [Code ID] [Code Length]
CODE
[Terminator]
[Items in square brackets are optional.]
For PowerScan
®
M8300 models with display, if the RS-232 interface is selected for
communication between the Host and the BC-80X0 cradle, then the following
additional communications between Host and Scanner can occur:
• The Host can send messages to any scanner associated with that cradle to
control the Scanner’s display, LEDs and beeper.
• The Scanner can send up to 3 user-defined characters to the Host using the 3
command keys on the Scanner.
These communications and their relative message formatting are detailed in the
following paragraphs.
6.1 MESSAGES FROM HOST TO READER
The general format to enable the Scanner for a 2 way communication is:
[Scanner_Addr] [Scanner_Addr_delimiter]
MESSAGE
[CR]
NOTE:
• If you have enabled the Scanner Address Stamping or the Scanner Address
Delimiter, you must specify them in every message.