The Audio Visual Test loops and continues testing until either the HELP or RESET key is
pressed.
KEYBOARD TEST SCREEN
Purpose: To test the POKEY, the ANTIC and ROM chips.
Format: A full keyboard displays. Press each keyboard key. The corresponding key on the
screen should change to inverse video. It should change back to the original color when the
key is released. NOTE: The control and shift keys change only when pressed at the same time
as another key - the display for both keys will change to inverse video and then back. As each
key (except RESET) is pressed, a tone is generated.
Figure 3-4. KEYBOARD TEST display (on left O.S.ROM v.1 & 2, on right v.3)
In O.S. ROM v.1 & 2 implemented Self Test 1200XL, hence the test are displayed keyboard
function keys 1-4. In O.S. v.3 they do not exist.
NOTE: The BREAK key does not change appearance or generate a note when pressed.
ALL TESTS
All of the Self Tests are continuously executed one after another until either the HELP or
RESET key is pressed.
NOTE: When All Tests is executing, the MEMORY Test and the AUDIO-VISUAL Test exit
after a complete test cycle.
KEYBOARD Test during All Tests is software controlled. No operator input is required.
130XE Personal Computer
Field Service Manual 3-3
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