50
Sec
tion
3
T
est
Re
ading Fun
ct
io
n
V500-R521B2/C2
User’s Manual
Section 3
Function Explanation
Output format
Reading rate of every one sec. is output to the upper equipment, while in reading rate
measurement mode.
Data, which detected most during measurement mode, is “correct reading data”.
Communication data format
A rough guide of reading rate
The LED illumination patter on the back side changes according to the result of reading
rate.
Reading rate
READ NG LED
READ OK LED
Description
76~100
%
Reading is possible without problem.
51~75
%
When the bar code is at still state when read,
reading is possible without problem.
However, when the target bar code is moving,
reading may be failed according to speed.
26~50
%
There is a possibility to fail even reading at still
state. Check if the installation location and angle of
the bar code reader is appropriate once more.
0~25
%
Reading is not stable. Check if there is no dirt or
lack on the bar code.
Check if the installation location and angle of the
bar code reader is appropriate once more.
Number of decoded time in one sec.
Of those, correct reading data (*) detected rate = Reading rate
Correct reading data (*)
LED indication
: Lights out
: Blink
: Illuminate
V500-R521.book 50 ページ ２００８年７月１８日 金曜日 午後１時１分
