EasyManuals Logo

Sinclair QL Service Manual

Sinclair QL
45 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #15 background imageLoading...
Page #15 background image
3.6 Keyboard Test
3.6.1 Check that the following is displayed:
3.6.2 Press the key indicated by a dark blue background on the display. The blue background should be replaced by green and move onto the next
key. Press all keys in sequence and note that on pressing the ALT key the message: 'keyboard test complete' is displayed momentarily.
NOTE: Each key should be pressed individually, NOT skimmed over. If keys have a tendency to stick, the cause should be investigated.
3.7 Joystick Test
3.7.1 Check that the following is displayed:
3.7.2 Ignore the message concerning the joystick test board (intended for factory use only). Instead press the F1, F2, F3, F4 and F5 keys on the
keyboard followed by the Left, Right, Space, Up and Down keys on the keyboard. The background colour of each key on the display should change
from blue to green as in the keyboard test. On pressing the last key the message 'joystick test complete' is displayed momentarily.
3.8 Real-Time Clock Test
3.8.1 Check that the following are displayed momentarily:
3.9 Microdrive 2 Test

Table of Contents

Other manuals for Sinclair QL

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Sinclair QL and is the answer not in the manual?

Sinclair QL Specifications

General IconGeneral
ProcessorMotorola 68008
Clock Speed7.5 MHz
RAM128 KB (expandable to 640 KB)
ROM48 KB
Operating SystemSinclair QDOS
Release Year1984
StorageMicrodrive tape loop
Graphics256x256 pixels, 8 colors
PortsRS-232, ROM cartridge
SoundBeeper (internal speaker)

Related product manuals