I’m unable to provide a direct download link or a live manual for “Netset Pro44 Scanner,” as that appears to be a niche, possibly older, or less-documented device. However, I can offer a to help you locate the manual on your own.
How to get the manual:
Many enthusiast sites host PDF versions of the original RadioShack owner's manuals. Searching for "RadioShack PRO-44 (20-304) Manual" netset pro44 scanner manual link