Proximity Sensor; Certificate Verification - Grandstream Networks WP820 User Manual

Proximity Sensor

Proceed from Diagnostics APP�� Click on Select to run Proximity sensor, run the test by covering the sensor with a finger and
wait for LED to go green.
Figure 105: Proximity sensor
Vibration Diagnostics
Proceed from Diagnostics APP�� Click on Select to run Vibration diagnostics, run the test by selecting Vibrate.
Figure 106: Vibration diagnostics

Certificate Verification

Proceed from Diagnostics APP�� Click on Select to run Certificate Verification to verify the device's certificate.
Figure 107: Certificate Verification