User's Manual
Mute
To stop transmitting the user’s voice.
DTMF
To deactivate or activate DTMF sound.
4 Function Menu
4.1 How to Use the Function Menu
4.1.1 Scroll to select Function
On standby, press the left soft key “Menu” to enter the
main function menu. During a call press the left soft key
“Option” to enter the call option menu, then use the
up/down keys to scroll to the desired item on the call menu
and press the left soft key to select the function.
In all the menus and submenus, use the Navigation key to
scroll to the desired function and press the left soft key to
enter the function item.
4.1.2 Speedily to select function Most main menus and
submenus have speed numbers. This speed number is
the function’s corresponding index number.
On standby, press the left soft key “Menu” to enter the
main menu, left/right keys to scroll to the desired item on
the menu.
Enter the main menu’s speed number to enter the
corresponding option. Enter the submenu’s speed number
to select the corresponding option.
4.1.3 Exit a Menu Usually, when in the function menu, you
can exit a menu item by pressing the right soft key. You