Ten tec century 21 model 570 manual

Like a trip down memory lane — and it has a few quirks. The direct conversion receiver hears signals on both sides of zero beat meaning that a CW signal will be heard in two places on the dial. This takes a little getting used to for us modern Superhet owners, but works fine in practice. The three section audio filters 2. First with the 2. View all posts by Jim. How to remove the main dial knob, which seems to be frozen on the shaft.

Or is this not necessary? It will be easiest if the Main Tuning Knob is removed. With the set screw removed, the knob should come off easily. The shaft it fits is small, and it sounds like the shaft or knob may be damaged in some way. Some gentle force is ok, but not too much. Perhaps working it back and forth a little at a time both rotation and front to back will help.

Good Luck! This site uses Akismet to reduce spam. Learn how your comment data is processed. Skip to content. This site contains affiliate links. Please read Disclaimer for more information. Contents hide. Share this: Twitter Tumblr. Published by Jim. Was this interesting or helpful? Share your thoughts. Cancel reply. Orion 2 Brochure. Paragon Alignment. Paragon Owners manual. Paragon II Operators manual. Pegasus Programmers reference guide. Pegasus Owners manual. R R Manual. R Owners manual.

RXD Datasheet. RX Operation manual. RX Programming reference guide. RX Schematics and material list. RX Technical manual. RX Shortwave receiver Owners manual. RXA Manual. RX Manual. RX InfoBull. RX Brochure. RX Datasheet.

RX Schematics. Scout Operators manual. T-KIT Schematic. Very good instructions for repair of the VFO are online. After selling the first two, within weeks I was looking for another one. W5CYF , Oct 31, You've got all the information that you need already so I won't chime in except to say I had one in the early 80's bought used from Henry Radio in Missouri.

What a great rig. Ran that thing into a el cheapo vertical antenna with no tuner and made hundreds of contacts. Just a long aluminum pipe with an air wound coil to change bands and a handful of radials scattered on the ground. Good luck and have fun. Hope to see you on the air. John, CYF nailed it! That's about all you need to know. Don't know really one is worth today, but his post is right on. I just restored one last winter for a friend and he came very close to not getting it back!

Show Ignored Content.