Sealey VS8801 Manual page 21

Select Display Test from Tool Self-test menu and press the
2)
ENTER/Exit button to start test.
3) Look for missing spots in the red, green, blue, black and white
LCD display.
When completed, press the ENTER/Exit button to exit.
4)
B. Keyboard Test
The Keyboard Test function verifies if the keys are functioning
properly.
Use the SCROLL button to select Keyboard Test from the
1)
Tool Self-test menu, and then press the ENTER/Exit button.
2) Press any key to start test. When you press a key, the key name
should be observed on the display. If the key name does not
show up, then the key is not functioning properly.
Double press ENTER/Exit to return to previous menu.
3)
Tool Self-test
Display Test
Keyboard Test
LED Test
Previous Menu
Figure 3.8
Keyboard Test
Press any key to
start test
key:
Double [OK] to return
Figure 3.9
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