Manuals, Documents and Downloads

Early version of the instruction manual for the Model 770R VHF Communication Receiver. Contains technical specifications, operation and alignment instructions, voltage values, parts list and circuit diagram. 12 pages.

Scan of the original 38-page instruction manual. Contains technical specifications, circuit description, construction details, installation + operation instructions, maintenance guidelines, alignment instructions, parts list and circuit diagrams.

Contains detailed technical specifications, block diagrams, schematic diagrams, installation and operation instructions, parts list, troubleshooting guide, print layouts and more. Catalog number 20-224/9224 65 pages

29-page owner's manual for the DX-394 Communications Receiver. Cat. No. 20-224, revision B.

High-resolution circuit diagram.

21-page instruction manual with installation + operation instructions, alignment details, circuit diagrams and a review/description by J. N. Walker (G5JU).

Circuit diagram with test points, very helpful for alignment or fault finding.

Intruction manual for the Eddystone model 740 communications receiver. Contains operation and alignment instructions, installation + circuit diagrams and parts list. 7 pages.

Scan of the original 61-page Heathkit manual for the model SA-2040 antenna tuner. Contains parts list, step-by-step assembly instructions, installation + operation instructions, technical specifications, circuit description and diagrams.

Complete 82-page assembly and instruction manual for the SA-2060 antenna tuner. Contains assembly notes, parts list, assembly instructions, installation + operation instructions, technical specifications and circuit diagrams.

Heathkit manual for the linear amplifier model SB-1000. Contains technical specifications, part list, detailed assembly instructions, test + alignment details, installation + operation instructions, troubleshooting checklist, circuit description and diagrams. Cat. no. 595-3795-01. 75 pages.

User handbook for radio station UK/PRC 320. Contains installation and operation instructions, vehicle mounting instructions, maintenance details, technical specifications, function check flowcharts and block diagrams. Army code no. 61123. Supersedes original manual from 1979. 84 pages.

User manual containing installation and operation instructions, troubleshooting guidelines and technical specifications. English, 28 pages.

English instruction manual, 26 pages. Contains installation details and technical specifications.

Instruction manual for the 730/6 and details about the differences between the 730/4, 730/6, 730/7 and 730/8. Contains installation and operation instructions, servicing details, part list and voltage values for fault finding. Also has some plan views and circuit diagrams. 26 pages.