Omron V460-H User Manual page 343

6 Interface Parameters
Serial Command Status Request
To ensure that any command was received and accepted, send the Show Reader Status command: <?>.
The status of a specific serial command can be requested by entering the command followed by a
question mark. For example, send <K142?> to request the status of Postamble.
Entering Control Characters in Serial Commands
To enter control characters within a serial command, hold down the Ctrl key while typing the desired
character.
Example: To enter a carriage return and line feed (^M^J), enter <K141,1,CNTL-m CNTL-j>
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V460-H Industrial Handheld DPM Reader User Manual