16
○
13
Redial Key
Press the Redial key to redial the last number dialed
○
14
Hands-free
Key
The user can press this key to open the audio channel of the
speakerphone.
○
15
Side DSS
Key
Long press the side DSS key to enter the function key setting
interface and set the required functions
○
16
DSS
Shortcut Key
Long press the DSS shortcut key to enter the setting interface
and set the required functions
○
17
Page Switch
Key
Press the "page switch" key, the user can switch to the first,
second and third screen function key page.
Gooseneck
MIC Port
(Only X210i)
Connect gooseneck microphone
8.2 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.
Using Line Keys(Defined by DSS Key)
User can use line key to make or answer a call on specific line. If handset has been lifted, the audio
channel will be opened in handset. Otherwise, the audio channel will be opened in hands-free
speaker or headphone.