692N Select RF Control Algorithm
#692N selects the algorithm for turning o RF power when RF-by-input control is enabled
using Command #641 Select RF-by-Input Control.
The values for N specify the RF control algorithms as shown in Table 23.
Table 23 RF Control Algorithm Commands
Command RF Power O
6920
On timeout only
6921
Timeout or tag ID acquired
6922
Timeout or presence false (factory default)
#6920 turns o RF power based on the timeout established by Command #693N Select RF
Timeout Period.
#6921 allows RF power to be turned o either after the timeout period or upon acquisition of a
valid tag ID, whichever occurs first.
#6922 turns o RF power either after the timeout period or upon the presence false condition,
whichever occurs first.
Reader response: #Done
693N Select RF Timeout Period
#693N selects the RF timeout period used by Command #692N Select RF Control Algorithm.
Values for N range from 0 through F.
#693F disables the RF timeout. The reader turns o the RF immediately following the
acquisition of a valid tag, whether or not it is unique.
Uppercase or lowercase characters are allowed for N; for example, hex digits A through F or a through f.
The commands and corresponding timeouts are shown in Table 24.
Table 24 Timeout Period Values
Command Timeout (ms)
6930
0 (always expired)
6931
4
6932
8
6933
12
6934
20
6935
24
6936
32
6937
48
Chapter 5 Commands
TransCore Proprietary
5–79
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