The ? command outputs a listing of device information.
| Syntax | Description |
|---|---|
| ?<cr> | Display device information. |
| ??<cr> | Display device information in POLL mode. |
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Example:
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If the transmitter is in POLL mode, but a connection has not been opened using the OPEN command, issue the ?? command. For a description of the serial interface modes, see Set serial line operating mode.