Odd.... That 396 should have come with a programming cable and a BNC to SMA adapter....
'Course, if it's used, who knows?
You want to subscribe to the Radio Reference feed to download frequency lists that some of the available software (ProScan - $$$ - or FreeScan can stuff into your radio quickly, too.)
Trying to do it without the software will give your headache a headache....
Why write a short note when you can write a novel?