Vectronics VEC-221K User Manual
Page 3
Table of Contents
Introduction .....................................................................................................1
Tools and Supplies ..........................................................................................1
Before You Start Building...............................................................................2
Parts List..........................................................................................................6
Parts Placement Diagram ................................................................................7
Step-By-Step Construction ..............................................................................8
PC Board Inspection...............................................................................15
Testing and Alignment ....................................................................................15
Self Test..................................................................................................16
Operating Instructions .....................................................................................18
Special Functions....................................................................................21
Message Memory ...................................................................................24
Morse Code Character Set......................................................................26
In Case of Difficulty ........................................................................................27
Theory of Operation and Specifications ..........................................................28
Circuit Description: ................................................................................28
Specifications: ........................................................................................28
Schematic ........................................................................................................29
Enclosure.........................................................................................................30