1.
Proximity sensor
The proximity senor can detect and measure gravitational acceleration, tilt, vibration, altitude
changes, and static position.
2.
Earphone
Delivers audio output.
3,4 Volume up / Down Keys
Con gure the handset and ringtone volume.
5.
PTT Key
PTT (Push-to-Talk) button, to initiate PTT call.
6.
* / Mute key
Keep pressing on * in idle screen to mute/unmute the ringtone.
7.
Arrow key combination (Up, Down,
Left, Right)
Allows navigation of the cursor through the displayed menu options.
8.
Off-hook / Dial key
Enters dialing mode, or dials number entered.
9.
Alphanumeric Keypad
Provides the digits, letters, and special characters in context-sensitive applications. For + sign,
press and hold key 0.
10.
Hands-free / Speaker key
Activates or deactivates the mute feature when keep pressing on * in idle screen.
11. LED indicator
1dual-color LED indicator indicating power, call, battery, message waiting…
12. 3.5 mm headset jack
Phone connector for the headphones/headsets.
13. Color LCD Screen
1.8-inch (128×160) color LCD
14. Softkeys
Correspond to functions displayed on the LCD. These functions change depending on the current
context.
15. Menu/OK key
Access to contacts list.
16. On-hook or Power key
Selects the option chosen by the cursor or enters the main menu from the home screen.
17. # / Lock key
Terminates calls or turns the handset on / off.
18. Contacts
Locks keypad against unintentional entries when keep pressing #.
Press and hold # key for approximately 2 seconds to lock the keys.
Press
Unlock
softkey and then
#
to unlock the keys.
19. Microphone
Picks up audio earpiece and hands-free calls.
Table 7: WP822 keypad keys Description
WP825