Motorola 7545MBWM Betriebsanweisung Seite 257

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Imagers Applet B - 3
The Imagers Applet
The Imagers applet is used to create, modify, delete and activate imager settings. The principle uses of the
applet are to decode barcodes and to capture images. A Demonstration Application is provided to demonstrate
how the imager works. Refer to “Imager and Camera Demo” on page 3-31 for details.
Required Applets
In order to configure imaging, the Manage Triggers applet must be present in the Settings>System tab along
with the Imagers applet.
Presets
There are two methods that can be used to configure an imager using the Imagers applet:
Use a predefined preset.
Create a custom preset based
on a predefined preset.
A preset is a group of exposure and image correction settings. Each preset configures the imager for a specific
purpose such as barcode decoding or image capture.
Presets also allow easier and faster configuration of the imager after power-on or resume from suspend.
The predefined presets are generic and satisfy most user
requirements. A custom preset can be created for a
specific user application, such as: include only specified barcodes, read only a specified number of barcodes
or for reading unusual media.
Every preset belongs to a preset type. T
he following preset types are available:
Imaging for photo capture.
Imaging for barcode decoding.
Symbology selection.
At any time, only one preset of each type can be designated as the user-selected act
ive preset.
Predefined Presets
Predefined presets are built into the imaging software and cannot be changed. The predefined presets allow
you to use the imager to perform specified tasks without having to understand and set numerous variables. In
almost all cases these predefined presets are sufficient.
Barcode Predefined Presets
These presets encompass the majority of the most popular barcodes and their subtypes. The barcode
decoding symbology predefined presets define which barcodes can be decoded. The barcode decoding
camera predefined presets determine how the barcode images are captured
IMPORTANT It is strongly recommended that a predefined preset is used whenever
possible. Each predefined preset contains a coherent group of settings
that are known to work together in the intended environment. In almost
all situations, at least one of the predefined presets results in a satis-
factory outcome.
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