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V400-F050/250/350
User’s Manual
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Section 1
Studying the V400-F
Code quality analysis display
This screen displays analysis result of code quality numerically and graphically (bar).
• Code quality analysis items
Communication Display
This screen displays the RS-232C communication history.
Item
Description
Reading Rate Displays the rate of successful reading count to the total reading count.
Contrast
Evaluates the code is white/black contrast that varies with the lighting condition.
The larger the difference between the white and black parts of the code, the larger the
contrast. “1” will be displayed if the code is contrast is the minimum readable level.
Focus
Evaluates the focus level of the image.
If the code is out of focus, it can no longer be recognized. The more the code is out of
focus, the smaller the value displayed.
Cell
Evaluates the number of recognition fails for each cell in the finder pattern, timing pattern
and data.
The more cells in which recognition failure occurs and the more unstable the reading is, the
smaller the value displayed.
Reading status
The reading status is displayed.
OK (blue)
:Reading is
completed
successfully.
NG (red)
: Reading has failed.
Read data
The read data is displayed.
(Max.
26
characters)
An error code is displayed in
case of reading error.
Code quality analysis
The code quality analysis
result is displayed
numerically (0 to 100) and
graphically (bar).
Reading status
The reading status is
displayed.
OK (blue)
:Reading is
completed
successfully.
NG (red)
: Reading has failed.
Read data
The read data is displayed.
(Max.
26
characters)
An error code is displayed in
case of reading error.
Communication history
The RS-232C communication history is indicated by yellow and green characters.
Communication contents are displayed from the bottom to the top of the history display area.
Yellow
:Indicates that the content was input to the main body.
Green
: Indicates that the content was output from the main body.
Summary of Contents for 2D CODE READER
Page 1: ...USER S MANUAL 2D Code Reader V400 F050 250 350 Cat No Z242 E1 03...
Page 13: ...12 Introduction Contents V400 F050 250 350 User s Manual Introduction MEMO...
Page 85: ...84 Section 6 Troubleshooting V400 F050 250 350 User s Manual Section 6 Troubleshooting MEMO...