Acura HEXAPAD 10, Руководство пользователя

Страница: 53 / 95

Rev. 1 HEXAPAD 10 BC USB
8.5.4.11 gen2q - EPC Gen2 amount of tags in the reading field
Command
gen2q value
Function Check (no value) or change the "Q" parameter of the Gen2 pattern.
Description
It is a numeric value that the reader uses to regulate the probability of a tag's response,
used for anti-collision when multiple tags are in the reader's reading field.
2
Q
equals the amount of tags to be read at the same time.
Pattern dynamic
Values
dynamic
The reader automatically adjusts the Q value during readings.
0 .. 15
Fixed value for 2
Q
number of tags in the reading field of the reader.
Notes
If the amount of tags to be read at the same time varies, leave the q value in dynamic, so
the reader automatically adjusts the best value for each reading.
Example
To check the Q value:
gen2q<CR>
dynamic<CR>
To change the value q to 3, with 8 tags in the reading field:
3<CR gen2q>
ok - parameter has been changed.<CR>
Errors
When the value reported is not among the specified:
error - value out of range<CR>
When more than one value is passed to the command:
error - too many args.<CR>
NOTE:
Use gen2q as dynamic if the number of tags in the reading field varies or is not
known.