Reading Bar Codes - Denso BHT-7500W Operator's Manual

Bar code handy terminal

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User manual (217 pages)

Table Of Contents

Table of Contents

Turn on the BHT power, bring the bar-code reading window to the bar code to

be scanned, and press the trigger switch. The BHT emits a laser light to scan

the bar code.

When the BHT has read the bar code successfully, the indicator LED will illu-

minate in green.

Bar code scanning

range covered by

the laser light

* The trigger switch function is

assigned to both of the M3 and

M4 keys by default.

• If the BHT fails to read due to specular effects

or other factors, change the scanning angle of

the reading window or the distance from codes

as shown at right, and try it again. (Specular ef-

fects occur when the reflection of the light from

the bar code becomes excessively strong. This

can easily happen when the reflecting surface is

polished or covered with vinyl.)

• Keep the BHT at a distance from a target bar code so that the bar code

comes within approx. 90% of the laser scanning range (line length).

• The BHT can read bar codes at a maximum distance of 56 cm (22.0")**

from the bar-code reading window.

**Under the following conditions:

• The bar code reading procedure may differ depending upon the applica-

tion used, so follow the application's manual.