2-6
Section
Lighting
16
2-6
Lighting
A stable image must be obtained to ensure accurate inspection.
Use appropriate lighting for the application and the reading ob-
ject.
Lighting Methods
Back Lighting
A stable, high-contrast image can be obtained using back light-
ing.
Applications: Transparent objects such as LCD glass
Camera
Reading object
(2-dimensional code)
Light source
Reflected Lighting
Ring Lights
Light is shone uniformly on the reading object. The difference in
reflection factors of the background and the marking enable
stable detection.
Applications: Paper labels and corrugated cardboard
Camera
Reading object
(2-dimensional code)
Light source
Содержание V530-R150
Страница 1: ...Cat No Z136 E1 1 V530 R150 OPERATION MANUAL 2 Dimensional Code Reader ...
Страница 2: ...V530 R150 2 Dimensional Code Reader Operation Manual Produced July 1999 ...
Страница 89: ...5 4 Section STEP 2 Setting Reading Conditions 79 8 Select 1 Read DataMatrix 9 Select Reading Settings ...
Страница 95: ...5 6 Section STEP 4 Starting Code Reading 85 3 Input reading trigger Reading is performed QRCode ABCDE12345 ...
Страница 132: ...6 2 Section SET Setting Mode 123 Line Bright X fixed Y coordinate Line Bright Y fixed X coordinate ...
Страница 197: ...Cat No Z136 E1 1 V530 R150 2 Dimensional Code Reader OPERATION MANUAL ...