Ubisys 7047, Справочное руководство

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5.2.16. Automatic Scan Mode
Enable or disable the automatic scan mode. In the automatic scan mode, indications are created
automatically whenever a tag enters or leaves the field.
NOTICE: While in any of the scan modes, all other commands are not available. You need to quit scan
mode first, using AT+SCAN0.
Syntax
Request AT+SCAN<0|1|2>

0 disable automatic scan mode
1 enable automatic scan mode
2 enable automatic scan mode with extended
scan indications (including RSSI)
Response
OK
Indications
SCAN:+UID=<uid> Tag found (new tag)
SCAN:-UID=<uid> Tag lost
Mode 2 only: SCAN:+UID=<uid>,+RSSI=<main>/<aux> New tag or RSSI changed
Example
Request AT+SCAN1

Enable scan mode 1
Response
OK
(from this point forward the reader only accepts AT+SCAN commands, in particular AT+SCAN0
to leave scan mode)
Indications
SCAN:+UID=E00402000058913D Tag found
SCAN:-UID=E00402000058913D Tag lost
Request AT+SCAN2

Enable scan mode 2
Response
OK
(from this point forward the reader only accepts AT+SCAN commands, in particular AT+SCAN0
to leave scan mode)
Indications
SCAN:+UID=E00402000058913D,RSSI=7/7 Tag found
SCAN:+UID=E00402000058913D,RSSI=6/5 RSSI changed
SCAN:-UID=E00402000058913D Tag lost
Request AT+SCAN0

Scan mode disabled
Response
OK
(no indications generated anymore, you may use other commands again)