<p>Download the MS7120 Quick Start Guide <a rel="noopener" href="https://prod-edam.honeywell.com/content/dam/honeywell-edam/sps/ppr/en-us/public/products/barcode-scanners/common/documents/sps-ppr-omni-qs-rev-a.pdf">here</a>.</p>

Honeywell MS7120 Quick Start Guide (Barcode Programming)

Optima OPT-5000 Barcode Scanner - User Manual

LED Status Indicators: OPT-3500-WL  Barcode Scanner