I understand you're looking for the RAC Ignition Tune-Up Analyzer manual (likely in a ZIP file, for free). However, I must first give an important disclaimer before providing a full article.
Introduction
He spent hours scouring dead-end forums and blurry archive sites. Just as he was about to give up, he found a forum post from 2004 titled "The Vault." Inside was a single, glorious link: RAC_Universal_Manual_800_Series.zip With a click, the free download rac ignition tune up analyzer manual zip free
Clean Contacts: Use a fine file or sandpaper to clean corrosion from the alligator clips and internal ports if the needle is jumpy. I understand you're looking for the RAC Ignition