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NT301PLUS OBDII & Battery Tester User’s Guide_ English Version_V1.00
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Figure8-21 Sample Tool Self- test Screen
2. Press any key to start test. Key name or scroll direction should show on display when you press
a key. Double press BACK to return.
Figure 8-22 Sample Key Test Screen
9.6.3 LED Test
Selecting LED Test option opens a screen that allows you to check the functionality of the LED.
To test the LED:
1. Use the UP/DOWN key to highlight LCD Test from Setup menu and press the ENTER key to
start test.
Figure 8-23 Sample Tool Self-test Screen
2. The Green Yellow Red indicators will flashing randomly, the indicators shall turn off when exit
by pressing any key.
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