User Manual

NT301 OBDII/EOBD Code Reader User’s Guide_English Version_V1.00
41
Figure 7-17 Sample Diag Beep Selection Screen
7.6 Tool Self-test
Key beep 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
7.6.1 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 7-18 Sample Tool Self-test Screen
2. Check if there are any missing spots in the LCD screen.