User's Manual

V750 RFID READER/WRITER, ANTENNA 2006-06, REV.C
OPERATION MANUAL
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(8) Noise level check (NOIS)
This command is to check the noise level of specified antenna.
Command NOIS (S) antenna <LF>
antenna: the port number of antenna (1-4) that is to check the noise level.
Response
NOIS0000 (S) ch1 (S) ch2 (S) ch3
･･･ (S) chn<LF>
ch1-n: Noise level of each communication channel. (S:n=50,EU:n=10,JP:n=9)
* Absolute value (not db unit) For the graph via Web site, the level will be
plotted with log.
＊(S) Space Character
Example 1) Noise level check for the antenna port 1(US version).
[Tx] NOIS 1<LF>
[Rx] NOIS0000 1111 2222 3333 4444 ････ nnnn<LF>