Application Guide
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DP750/DP720 Administration Guide 
Version 1.0.3.37 
DP720 Handset Description 
The LCD screen and the Keypad are the main hardware components of the DP720.   
Figure 7: Handset Keys Description 
Table 7: Keypad Keys Description 
Key 
Description 
1. 
Power and Charging 
Indication Light 
Red: Charging. Green: Charge completed.   
Blinking: Missed call(s) or Voice Mail received. 
2. 
Earphone 
Delivers audio output. 
3,5 
Left and Right softkeys 
Correspond to functions  displayed on  the  LCD. These functions 
change depending on the current context. 
4. 
LCD Display 
Shows call information, handset status icons, prompt messages, etc. 
6. 
4 Arrow key 
combination 
Allows navigation of the cursor through the displayed menu options. 
7. 
OK/Selection key 
Selects the option chosen by the cursor. (Enters the main menu 
from the home screen.) 
8. 
Off-hook / Dial key 
Enters dialing mode, or dials number entered. 
9. 
On-hook / Power key 
Terminates calls or turns the handset on / off. 
10. 
Alphanumeric Keypad 
Provides the digits, letters, and special characters in context-
sensitive applications. For + sign, press and hold key 0. 
11. 
Hands-free / Speaker 
key 
Switches between Handset and Hands-free / Speaker modes. 










