LG Nortel GDC-400 User Manual page 17

2.Phone Overview
Button
[CALL BACK]
[UP/DOWN]
- Standard dial button
0~9
Pressing shorter than 1 second : Leave a call back or a message
Talking Mode : Up / Down the level of Rx volume, Call by name, CLIP
Standby Mode :
In Menu: Navigate and select among function items in a menu or
submenu.
No inputted state :
UP : Local Redial
DOWN : Phonebook list
To lock Keypad (Pressing longer than 1 second)
'#' Display (Pressing shorter than 1 second)
While Dialing: To insert pause (Pressing longer than 1 second)
Talking Mode (Only when the Camp-On function is supported by
ipLDK series) : Camp-On
Standby Mode :
'*' is displayed (Pressing shorter than 1 second)
Enable/disable manner mode(Pressing longer than 1 second)
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Function