Microscan MS-820 Manual de usuario descargar pdf (Pagina 23)

Chapter 1 Quick Start

MS-820 Industrial Bar Code Scanner User’s Manual 1-11

1–Quick Start

Step 10 — Test Range for Bar Code Label

1. Position a label in front of an operational scanner.

2. Click the Utilities button.

3. Right-click Read Rate and select Start.

4. Observe rate in terminal window on the right of

the Utilities screen.

5. Move your bar code label towards the scanner and

away from the scanner until the decode rates drop

off in each direction as shown in figure 1-1.

This will give you a sense of the depth of field

(inner and outer ranges) for your symbol’s density

and range.

6. To end test, right-click Read Rate and select the

Stop button.

Note: If the scanner is in the

default Continuous Read

mode, it will read and beep

repeatedly as long as a read-

able label remains in the read

range and the read cycle con-

figuration has not changed.

1. If using an I 2/5 label, verify that the number of characters in the label being scanned matches

the code length enabled for the I 2/5 code type (default is 10 and 6). See “Interleaved 2 of 5”

on page 5-14.

20 mil Code 39 Test Symbol

You can also find test symbols on the

back of the Microscan Marketing CD

jacket

. The 20 mil refers to the width

of the narrowest bar (e.g., 7.5 mil =

.0075" or .1905 mm).

Figure 1-5 Depth of Field

1 2 ... 18 19 20 21 22 23 24 25 26 27 28 ... 221 222

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Microscan MS-820 Manual de usuario Pagina 23