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Expansion Back
The Expansion Back is a bar code scanning solutions for both 1D and 2D bar code symbologies that attach to
the tablet. Expansion Back is available for the 8.4" and 10.1” tablet.
Install the Expansion Back prior to use. Refer to the ET51/56 Integration Guide for installation instructions.
Scanning with SE4750 Expansion Back
To read a barcode, a scan-enabled app is required. The device contains the DataWedge app that allows the
user to enable the scanner to decode barcode data and display the barcode content.
To scan with the SE4750 Expansion Back:
1. Ensure that an app is open on the device and a text field is in focus (text cursor in text field).
2. Point the Expansion Back exit window at a bar code.
Figure 60 Bar Code Scanning with Expansion Back with SE4750
3. Press and hold the Scan button.
The red laser aiming pattern turns on to assist in aiming. Ensure the bar code is within the area formed by
the cross-hairs in the aiming pattern. The aiming dot is used for increased visibility in bright lighting
conditions.
The Expansion Back beeps to indicate the bar code was decoded successfully.
Figure 61 SE4750 Expansion Back Aiming Pattern
Release the Scan button. The bar code data displays on the screen.
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