User Manual

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• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • Help & Troubleshooting
7
• Display Test
The Display Test is used to check the
LCD. The test fills every pixel of the LCD
display with a solid black character. Select
Display Test and press
(17(5 .
Press (17(5 again to start the test. Look for pixels that are not black. In other
words, look for missing spots in the solid black characters. When done, press the
%$&. key.
• Keyboard Test
The Keyboard Test is used to verify the keys are functioning properly.
Select Keyboard Test from the Tool Self-Test menu to display the Keyboard
Test screen.
When you press a
.(< , the key name or
scroll direction should appear on the
display.
For example, if you press the
(17(5 key,
then Key: ENTER displays on the third
line of the screen. If the name does not
display, then the key is not working.
The only exception is the
%$&. key. When the %$&. key is pressed, the Tool
Self-Test menu returns.
If the Tool Self-Test menu does not return, then the %$&. key is not working.
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