Huawei U3900 User Manual page 11

Press
In text input mode, delete the character to the left

of the cursor. Press and hold the key for 3 or more
seconds to clear all the characters to the left of the
cursor.
Return to the previous menu.

Confirm a selection.
Access the functions assigned to the navigation keys
in standby mode.
Enter numbers, letters, and symbols in text input

mode.
Call voicemail in standby mode (press and hold

Speed-dial phone numbers in standby mode (press
–

and hold the keys
seconds). To set speed dial numbers, select
Menu > Contacts > Options > Manage
Contacts > Speed Dialing.
for about 3 seconds).
10
To
– for about 3