A. Screen Test
The
Screen Test
function checks if the LCD display is working
normally
。
1) From
Tool Setup
screen
，
use the
UP/DOWN
scroll button to
select
Tool Self-Test
，
and press the
OK
button
。
2) Select
Screen Test
from
Tool Self-Test
menu and press the
OK
button to start test
，
Press
ESC
key to retrun
。
3) Look for missing spots in the colour bar
，
whilte
，
black LCD
display
。
4) When completed
，
press the
ESC
button to exit
。
B. Key Test
The
Key Test
function verifies if the keys are functioning properly
。
1
）
Use the
UP/DOWN
scroll button to select Key Test from
the
Tool Self-Test
menu
，
and then press the
OK
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
。
(Figure 3.10)
Figure 3.10
Device Self-Test
Screen Test
Key test
LED test
Senal: 201602001
Test Key
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