Omron V750-BA50C04-US Operation Manual page 85

(4) TEST (TEST)
This command instructs the Reader/ Writer to return the exact data message just after receiving it from
the host. It is to test a communication line.
Command
Response
＊(S) Space Character
Example 1) When test data "123456789"is entered to check a communication status between the host and the
Reader/Writer:
[Tx] TEST 1234567890
[Rx] TEST0000 1234567890
V750 RFID READER/WRITER, ANTENNA
OPERATION MANUAL
TEST (S) TestData<LF>
TEST0000 (S) TestData<LF>
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2006-06, REV.C
©OMRON CORPORATION 2006