State of the art telecommunication products
4
Introduction to the Phone User Interface
4.1
Keypad
①
②
③
④
⑤
⑥
⑦
⑧
⑨
⑩
①
Soft key
②
Navigation Key
③
Hold Key
④
Transfer key
⑤
Conference Key
⑥
Phonebook Key
⑦
Call log Key
⑧
DSS Key
⑨
DSS page Key
⑩
Numeric Keypad
⑪
⑪
Volume -/+ Key
⑪
Mute Key
⑪
Redial Key
⑪
⑪
⑪
⑪
Speaker Key
Figure 4 - Keypad
The above picture shows the keypad layout of the device. Each key provides its own specific
function. User should refer to the illustration in this section about the usage of each key and the
description in this document about each function.
Some keys support long-pressing function. User can press and hold the key for 1.5 seconds to
trigger the long-pressed function.
Soft keys
– These four buttons provide different functions corresponding to the soft-menu
displayed on the screen.