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LFM 4x Reader Rev1.4
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59
Customer manual
LFM 4x Reader
RFID
WE GENERATE SOLUTIONS
10.4.14 J
– RF module Queries the vote
The command
„J“ can be used to query the tuning values of the individual antennas. Each
antenna port has its own tuning value.
Host
Device
CMD
Reader-ID
J
1 Byte
Device
Host
CMD
Reader-ID
Tuning value
j
1 Byte
2 Bytes
The tuning value is a set value for the optimal antenna tuning.
For optimum read and write ranges, the value is automatically determined by the reader
(I-message). The value is measured in 16 steps (0-F).