HH492 User Guide 19
Presentation Mode
Presentation Mode uses ambient light and scanner illumination to detect
barcodes. When in Presentation Mode, the LEDs remain dim until a barcode is
presented to the scanner, then the aimer turns on and the LEDs turn up to read the
code. If the light level in the room is not high enough, Presentation Mode may not
work properly.
Note: If you are using a cordless charge base in Presentation Mode, the battery will not
charge unless the power supply is plugged into the base’s auxiliary power port.
Scan the following barcode to program your scanner for Presentation Mode.
Presentation Centering
Use Presentation Centering to narrow the scanner’s field of view when it is in the
stand to make sure the scanner reads only those barcodes intended by the user.
For instance, if multiple codes are placed closely together, Presentation Centering
will ensure that only the desired codes are read.
Note: To adjust centering when the scanner is hand-held, see Centering (page 4-25).
If a barcode is not touched by a predefined window, it will not be decoded or output
by the scanner. If Presentation Centering is turned on by scanning Presentation
Centering On, the scanner only reads codes that pass through the centering
window you specify using the Top of Presentation Centering Window, Bottom of
Presentation Centering Window, Left, and Right of Presentation Centering
Window barcodes.
In the example below, the white box is the centering window. The centering window
has been set to 20% left, 30% right, 8% top, and 25% bottom. Since Barcode 1
passes through the centering window, it will be read. Barcode 2 does not pass
through the centering window, so it will not be read.
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