Customizing  Your  Phone 
39 
3.  Press          or          , or the Switch soft key to select the desired value from the Active Level 
field. 
 
4.  Press the Save soft key to accept the change or the Back soft key to cancel. 
Backlight is configurable via web user interface at the path Settings->Preference. 
Contrast 
You can configure the LCD screen contrast of EXP20 or SIP-T27G to a comfortable level. Ensure 
EXP20 has been connected to the phone before configuration. The intensity of contrast ranges 
from 1 to 10 and the highest intensity is 10. 
To configure the contrast via phone user interface: 
1.  Press Menu->Settings->Basic Settings->Display->Contrast. 
To configure the LCD screen contrast of EXP20, ensure it has been connected to the phone 
before configuration. 
2.  Press          or          , or the Switch soft key to increase or decrease the intensity of contrast. 
The default contrast level is “6”. 
 
3.  Press the Save soft key to accept the change or the Back soft key to cancel. 
Contrast is configurable via web user interface at the path Settings->Preference. 
Language 
The default language of the phone user interface is English. If the language of your web browser 
is not supported by the phone, the web user interface will use English by default. You can 
https://arttel.ru/
https://arttel.ru/shop/ip-telefony/yealink-sip-t27g