Led Diagnostics - Grandstream Networks WP820 User Manual

LCD Diagnostics
Proceed from Diagnostics APP�� Click on LCD Diagnostics, and you can use the left/right Keys to change the pictures and OK
to exit:
LCD Off
Proceed from Diagnostics APP�� Click on Select to turn LCD Off, so that you can verify if the backlight does turn off.

LED Diagnostics

P d f Di ti APP�� Cli k
Figure 97: Diagnostics APP
Figure 98: LCD Diagnostics
Figure 99: LCD Diagnostics
S l t t LED Di ti d if if th LED l h k