Rs507 Hands-Free Imager; Scanning Considerations; Figure 32: Rs507 Hands-Free Imager - Motorola MC40 User Manual

54 | Data Capture
• Omnidirectional reading of a variety of bar code symbologies, including the most popular linear, postal, QR,
PDF417, and 2D matrix code types.
• Cross-hair reticle for easy point-and-shoot operation.
• Picklist mode to decode a particular bar code from many in the field of view.
The solution uses the advanced camera technology to take a digital picture of a bar code, and executes state-of-the-art
software decoding algorithms to extract the data from the image.

RS507 Hands-Free Imager

The RS507 Hands-free Imager is a wearable bar code scan solution for both 1D and 2D bar code symbologies. The
scanner supports Simple Serial Interface (SSI) and Bluetooth Human Interface Device (HID) connection to the
device.

Figure 32: RS507 Hands-Free Imager

See to the RS507 Hands-free Imager Product Reference Guide for more information.

Scanning Considerations

Typically, scanning is a simple matter of aim, scan, and decode where a few quick trial efforts master it. However,
consider the following to optimize scanning performance:
• Range
- Any scanning device decodes well over a particular working range — minimum and maximum distances from
the bar code. This range varies according to bar code density and scanning device optics.
- Scanning within range brings quick and constant decodes; scanning too close or too far away prevents
decodes. Move the scanner closer and farther away to find the right working range for the bar codes being
scanned.
• Angle
- Scan angle is important for promoting quick decodes. When laser beams reflect directly back into the scanner
from the bar code, this specular reflection can "blind" the scanner.
- To avoid this, scan the bar code so that the beam does not bounce directly back. But do not scan at too sharp an
angle; the scanner needs to collect scattered reflections from the scan to make a successful decode. Practice
quickly shows what tolerances to work within.
• Hold the device farther away for larger symbols.
• Move the device closer for symbols with bars that are close together.
Note: Scanning procedures depend on the application and device configuration. An application may use
different scanning procedures from those described.
Send Feedback | April 2014 | MN000111A02-A