Grandstream Networks DP752 Administration Manual page 30

6. Hands-free / Speaker
key
7. Arrow key combination
(Up, Down, Left, Right)
8. Off-hook / Dial key
9. Alphanumeric Keypad
10. * / Silent Mode key
11. LED indicator
12. 3.5 mm headset jack
13. Color LCD Screen
14. Softkeys
15. Mute
16. Menu/OK key
17. On-hook or Power key
18. # / Lock key
19. Microphone
Switches between Handset and Hands-free / Speaker modes.
Allows navigation of the cursor through the displayed menu options.
Enters dialing mode, or dials number entered.
Provides the digits, letters, and special characters in context-sensitive
applications. For + sign, press and hold key 0.
Activates or deactivates the silent mode (no ringtone heard during
incoming call) when keep pressing on * in idle screen.
1dual-color LED indicator indicating: power, call, battery, message
waiting...
Phone connector for the headphones/headsets.
2.4-inch (240x320) TFT color LCD
Correspond to functions displayed on the LCD. These functions
change depending on the current context.
Mute microphone during conversation.
Selects the option chosen by the cursor or enters the main menu from
the home screen.
Terminates calls or turns the handset on / off.
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.
Picks up audio earpiece and hands-free calls.
DP752/DP730/DP722 Administration Guide
Version 1.0.11.4
P a g e | 30