Operating Instructions
Chapter
3
CLV 490 Bar Code Scanner
8 008 796/0000/25-06-2002
©
SICK AG · Division Auto Ident · Germany · All rights reserved
3-11
Product description
Reading mode
(contd.)
Data
Yellow
•
Flickers when the CLV transmits data to the host over the host interface
Percentage
Sensor
Green
•
Lights up constantly, since Free-running mode is active
evaluation
Read Result
Green
Behavior dependent on the reading quality:
•
Extinguishes if reading rate < 30 %
•
Blinks twice a second if reading rate 30 % ... 70 %
•
Blinks five times a second if reading rate 70 % ... 90 %
•
Lights up constantly if reading rate > 90 %
Adjusting mode Sensor
Green
•
Lights up constantly, since Free-running mode is active
Show CP-limits
Sensor
Green
•
Blinks bright/dark alternately, in the frequency with which the scan line is (partially)
masked out
Operating mode LED
Display
Function
Table 3-3: Meaning of LEDs: CLV with external parameter memory