Psion Teklogix 7525C User Manual download pdf (Page 163)

Psion Teklogix WORKABOUT PRO With Windows Mobile 2003 SE User Manual 133

Chapter 6: Settings

Code 39 Settings

Auto Exposure

Important: This parameter value should only be changed by qualified Psion

Teklogix personnel. It should be left at the default value – ‘on’.

Setting this parameter to on allows the imager to make automatic gain, integration

and illumination adjustments based on ambient light before capturing the bar code.

If the adjustment is insufficient, further adjustments are made automatically before

another image is captured.

Fast Converge

Note: “Auto Exposure” must be set to ‘on’ in order for this parameter

to function.

Keep in mind that while this parameter can improve imager performance,

“Fast Converge” increases battery power consumption.

Setting this parameter to on speeds the “Auto Exposure” process. It allows the

imager to rapidly snap a number of bar code capture attempts while finding ideal

values for gain, integration and illumination.

Max Gain, Max Integration And Max Illumination

Important: These parameter values should only be changed by qualified

Psion Teklogix personnel.

These parameters represent internal units used by the Symagery imager. The “Auto

Exposure” parameter automatically adjusts the “Max Gain”, “Max Integration” and

“Max Illumination” parameters to produce the best bar code read. Keep in mind that

“Auto Exposure” must be set to on in order for these parameter values to be

automatically adjusted.

Double-tapping on any of these parameters displays an associated dialog box in

which an allowable range is displayed: Max Gain – 357 to 7920, Max Integration –

0 to 65535, Max Illumination – 0 to 7.

6.20.3.2 Code 39 Settings

Enabled

Set this parameter to on to enable “Code 39” or off to disable it.

Field Size/Char

Refer to page 117 for details.

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Psion Teklogix 7525C User Manual Page 163