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NT301PLUS OBDII & Battery Tester User’s Guide_ English Version_V1.00
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9.6 Tool Self-test
Tool Self-test set opens a dialog box that allows you to check if the LCD display and the operation
of keypad and LED are working correctly. Typical menu includes:
● Display Test
● Keypad Test
● LED Test
9.6.1 Display Test
Selecting Display Test option opens a screen that allows you to check the functionality of the
display.
To test the display:
1. Use the UP/DOWN key to highlight Display Test from Setup menu and press the ENTER key
to start test.
Figure 8-19 Sample Tool Self-test Screen
2. Check if there are any missing spots in the LCD screen.
Figure 8-20 Sample LCD Test Screen
3. To quit the test, press the BACK key.
9.6.2 Keypad Test
Selecting Key Test option opens a screen that allows you to check the functionality of the keypad.
To test the keypad:
1. Use the UP/DOWN key to highlight Keyboard Test from Setup menu and press the ENTER
key.
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