Key

Description

1

Proximity sensor

The proximity sensor can detect and measure gravitational acceleration, tilt, vibration, altitude changes, and static position.

2

Earphone

Delivers audio output.

3,4

Volume up / Down Keys

Configure the handset and ringtone volume.

5

PTT Key

PTT (Push-to-Talk) button, to initiate a PTT call.

6

Hands-free / Speaker key

Switches between Handset and

Hands-free / Speaker modes.

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

1 / Voicemail Key

Accesses the list of voicemail messages.

10

* / Silent Mode key

Activates or deactivates the silent mode (no ringtone heard during an incoming call) when keep pressing on * in idle screen.

11

Charging port

The charging port is used to connect a charger for powering the device and recharging the battery.

12

3.5 mm headset jack

Phone connector for the headphones/headsets.

13

LED indicator

1 dual-color LED indicator indicating power, call, battery, message waiting…

14

Color LCD Screen

2.4-inch (240×320) TFT color LCD

15

Softkeys

Perform functions displayed on the LCD screen directly above them. The functions change depending on the current menu or application.

16

Mute

 Mute the microphone during the conversation.

17

Menu/OK key

Selects the option chosen by the cursor or enter the main menu from the home screen.

18

On-hook /Power key

Terminates calls or turns the handset on / off.

19

Alphanumeric Keypad

Provides the digits, letters, and special characters in context-sensitive applications. For the + sign, press and hold key 0.

20

# / Lock key

Locks keypad against unintentional entries when keep pressing #.

Press and hold the

# key for approximately 2 seconds to lock the keys. Press Unlock Softkey

and then # to unlock the keys.

21

Microphone

Picks up audio earpiece and hands-free calls.