Sencore CR-161 CR161 Auto-Tracker CRT Tester Service manual $7.99 Category: Sencore Description Description For sale is reprint Sencore CR-161 CR161 Auto-Tracker CRT Tester Service manual. Manual is 12 pages long and includes part list and schematic. Manual has troubleshooting chart, very helpful if your CR161 is acting up. Related products Sencore CR161 Auto-Tracker Cathode Ray Tube Tester manual $11.99 Read more Sencore TC-130 TC130 Mighty Mite Tube Tester Manual $7.99 Read more Sencore Set-Up Book Tube Data TC114 TC 130 TC136 TC142 TC154 Small Booklet $8.99 Read more Sencore TC-154 TC154 Mighty Mite Tube Tester Manual $7.99 Read more