NT204 OBDII/EOBD Code Reader User’s Guide_English Version_V1.00
5.6 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:
Selecting Display Test option opens a screen that allows you to check the functionality of the
1. Use the UP/DOWN key to highlight Display Test from Setup menu and press the ENTER key
Figure 5-20 Sample Tool Self-test Screen
2. Check if there are any missing spots in the LCD screen
Figure 5-21 Sample LCD Test Screen
3. To quit the test, press the BACK key.
Selecting Key Test option opens a screen that allows you to check the functionality of the keypad.
1. Use the UP/DOWN key to highlight Keyboard Test from Setup menu and press the ENTER