62
3. Test the LCD screen.
Select
[
LCD
]
to enter the screen test interface. The screen displays the
message “Press ‘Change’ to change; Press ‘Done’ to exit”. Press
[
Change
]
to start the test and observe if the screen has changed colour or displayed
an error message, as shown in diagram 2-47.
Diagram 2- 47 LCD Test Interface
NOTE:
●
Press [Change] to change the colour of the screen.
●
There are three colours: red, blue and green.
●
Press
[
Done
]
to exit the test.
4. Test the beeper.
Press
[
Beeper
]
to test the beeper. Under regular circumstance, press
[
Beeper
]
one time and the instrument will beep one time.
