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4.
LCD display
4 Arrow key
6.
combination
7.
Men/Ok key
8.
Off-hook / Dial key
On-hook / Power
9.
key
10
Alphanumeric
.
Keypad
11
# / Lock key
.
12
Mute key
.
13
Hands-free /
.
Speaker key
14
Microphone
.
Key
1.
Proximity sensor
Shows call information, handset status icons, prompt messages, etc.
Permits navigation of the cursor through the displayed menu options.
Selects the option chosen by the cursor. (Enters the main menu from the home screen.)
Enters dialing mode, or dials number entered.
Terminates calls, or turns the handset on / off.
Provides the digits, letters, and special characters in context-sensitive applications. For + sign,
press and hold key 0.
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.
Activates or deactivates the mute feature.
Switches between handset and hands-free / speaker modes.
Picks up audio earpiece and hands-free calls.
Table 12: Keypad Keys Description
Figure 9: DP730 Keys Description
Description
The proximity senor can detect and measure gravitational acceleration, tilt,
vibration, altitude changes, and static position.
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