Radio Shack TRS-80 Model III Operation Manual

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Contents
1. Brief description of basic system 5
2. Installation , 8
3. Operation , .. , 10
Turning the Computer on
Using the RESET switch
Inserting a Diskette
Removing a Diskette
Loading the Operating System
Keyboard Operation
Video Display Adjustment
4. Power-Up Diagnostic Messages 17
5. Care and Maintenance , 19
Care of Diskettes
Tips on Labeling Diskettes
6. Add-Ons , 21
Additional RAM
Additional drives
Peripherals
Other boards
7. Specifications , .. , .. , , 25
Display Character Set
Power Supply
Floppy Disk Drive
Serial Interface Signals and Levels
Parallel Interface Signals and Levels
3

Radio Shack TRS-80 Model III Specifications

General

Brand	Radio Shack
Model	TRS-80 Model III
Category	Desktop
Language	English