State of the art telecommunication products
Standard Telephone Keys
– The 12 standard telephone keys provide the same function as
standard telephones, but further to the standard function, some keys also provide special
function by long-pressing the key,
Key # - Long-pressed to lock the phone. (Default PIN is 123)
Key Pn - Long-pressed to open DSS LCD page configuration.
Navigation Keys
– User can press up/down navigator keys to change line focus in talking
screen or move cursor in a screen with list items; in some configuration or text editor screen,
user can press left/right navigator keys to switch option or move cursor to the left / right.
Redial
– By pressing ‘Redial’ button, user can redial the last dialed number.
Hands-free Speaker
– By pressing this button once, user can turn on the audio channel of
hands-free speaker
Microphone Mute
– User can mute the microphone with this button during talking mode.
Call logs
– By pressing ‘Call logs’ button, user open call logs as a shortcut.
Phonebook
– By pressing ‘Phonebook’ button, user open phonebook as a shortcut.
Page
–Switch – By pressing this button once, user can switch DSS LCD page one by one.
Volume -/+
– In standby, ringing, ring configuration screen, user can press 2 buttons to
lower/increase the ringtone volume; in talking and audio volume adjustment screen, user can
press this button to lower/increase the audio volume.
4.2
Using Handset / Hands-free Speaker / Headphone
Using Handset
To talk over handset, user should lift the handset off the device and dial the number, or dial the
number first, then lift the handset and the number will be dialed. User can switch audio channel to
handset by lifting the handset when audio channel is opened in speaker or headphone.
Using Hands-free Speaker
To talk over hands-free speaker, user should press the hands-free button then dial the number, or
dial the number first then press the hands-free button. User can switch audio channel to the speaker
from handset by pressing the hands-free button when audio channel is opened in handset.
Using Headphone
To use headphone, by default, user should headset button which is defined by DSS key to turn on
the headphone. Same as handset and hands-free speaker, user can dial the number before or after
headphone turned on.