<p>Download the User Guide <a rel="noopener" href="https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/ppr/en-us/public/products/barcode-scanners/presentation/7120/documents/sps-ppr-00-02282.pdf">here.</a></p>

Honeywell MS7120 Barcode User Guide

Optima OPT-5000 Barcode Scanner - User Manual

LED Status Indicators: OPT-3500-WL  Barcode Scanner