^RQ — RFID Query

Plain English

Queries the RFID subsystem for its current status — reports tag presence, last operation result, error codes, and power levels.

When to use

Diagnostics — check if the RFID system is working, if a tag is present, and what the last error was.

Syntax

^RQ

Example

^XA
^RQ
^XZ

Query RFID subsystem status