Wp820 Handset Keys Description - Grandstream Networks WP820 User Manual

WP820 Wi-Fi phone generates a warning tone when device s battery level becomes 15% and 5%.
WP820 auto boots up once placed on charger when device was powered off abnormally (Battery too low, battery removed
suddenly, etc..).
Important
Be careful when inserting the battery into your handset to avoid any risk of short-circuit, which lead to damage your battery
and/or the handset itself. Do not use damaged batteries which can increase the risk of serious harm.

WP820 Handset Keys Description

The WP820 enhances communication and combines usability and scalability in industries such as warehousing, catering, and
retail as well as in factory settings. The following screenshot describe the WP820 LCD screen and the main hardware
components.
The following table describes the WP820 keypad keys.
Key
1. Proximity sensor
2. Earphone
Volume up / Down
3,4
Keys
5. PTT Key
Figure 4: WP820 Description
Description
The proximity senor can detect the presence of a human ear. This sensing is done for two
purposes: Reduce display power consumption by turning off the LCD backlight and to avoid
inadvertent touches.
Delivers audio output.
Configure the handset and ringtone volume.
PTT (Push-to-Talk) button to initiate PTT call.
Note: PTT button can also be configured from Web GUI to have other functions such as:
SAFE/Panic Call & Mute/Unmute during calls.