Manuals, Documents and Downloads

Single-page text document containing some corrections to the original Ten-Tec Corsair II user's manual.

TenTec 561 Corsair II User Manual w/Schematic

Specs (screenshot)

Text-only user's manual

Optimal setting of Orion 565 receiver for weak signals, by W4PA and KF6DX.

Ten-Tec Orion/Orion II Users Manual Addendum Firmware Version V3. The purpose of this document is to identify the changes that were made to generate the V3 firmware builds for the Orion Model 565 and the Orion II Model 566.

User Manual, part #74279

A3 format circuit diagram for the Eddystone 840C

Revised instruction manual for the Eddystone model 840C communications receiver. Contains circuit description, installation and operation instructions, servicing instructions, circuit diagram and parts list. 9 pages.

Instruction manual with installation + operation instructions, alignment details and circuit diagram. 4 pages.

Vintage vhf radio Fdk Multi Quartz-16 Manual & Schematic

Extensive manual compiled by PA3GMP describing many previously undocumented features and modifications. Includes circuit diagrams, mods, software and hardware hacks and installation details. Absolute must-have for FT-100 owners!

Original 12-page operating manual.

High-resolution image of this never produced prototype model

Kenwood service bulletin 10/11/1996 describing EPROM replacement to fix problem of the TS-870S where is repeatedly switches between receive and trasnmit. Single-page text document.