TransCore encompass 4 - NN Select ATA Operating Range (Distance)

Encompass 4 Reader System Guide
7-38
643NN Select ATA Operating Range (Distance)
Command #643NN selects the read range for ATA tags where NN is a hexadecimal
value from 00 to 1F; the range increases with increasing NN value. The range can be
adjusted for 32 discrete values where 00 is the shortest range and 1F is the longest
range. The default range value is 1F.
Reader response:
Done
644NN Set RF Attenuation
Command #644NN sets the attenuation control for the output RF power where NN is
a hexidecimal value from 00 to 0A. Settings for attenuation are 1.0 dB increments
over a range of 10 dB of attenuation from the maximum power setting of two watts at
0-dB attenuation to a minimum power level of 200 milliwatts at 10-dB attenuation.
The Set RF Attenuation command NN variables an
d corresponding attenuation set-
tings are shown in Table 7-15.
Table 7-15 RF Attenuation Command Variables
Variable (NN)
Attenuation
Se
tting (dB)
00 0 (factory default)
01 1
02 2
03 3
04 4
05 5
06 6
07 7
08 8
09 9
0A 10
Reader response:
Done
645NN Set eGo and eGo Plus Operating Range (Distance)
Command #645NN sets the read range for eGo and eGo Plus Tags where NN is a
hexadecimal value from 00 to 1F; the range increases with increasing NN value. The