2550 Video Phone User Manual IMT
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Speaker Key (15): Press this key to use speakerphone to make or answer
phone call, Speaker key will be illuminated when speakerphone function is
activated, press this key again during the call to terminate the call, or you
can press speaker key to transfer the call to speakerphone when you’re
using handset or headset.
Up (16), Down (17), Left (18), and Right (19) key: You can use these 4 keys
to move cursor or light bar on LCD display to select the item you want.
OK (20) key: Press this key to make affirmative answer to a question, or
enter a submenu.
Volume Down (21) and Volume Up (22): You can adjust the volume of ring
tone directly by these 2 keys when the phone is not in use, and you can
adjust the volume of handset / headset / speakerphone when they are in
use.
Using 5-way Joystick
There is a special set of keys on this phone (keys <21> to <25>), which is called
as “5-way joystick” (Four directions and ‘OK’). You can use left, right, up, and
down key to move cursors on LCD display, and press OK key to decide.
For Example, in main menu:
03:00 01/01/2007
2550 1101
Main Menu
Address Book
Call Records
Settings
Exit
Select
