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User Guide

ManualsBrandsYealink ManualsOffice ElectronicsYealink SIP-T21P E2 Bundle of 8 Entry-level IP phone 2 Lines HD voice PoE LCD
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User Guide for the SIP-T21(P) E2 IP Phone
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The default value is 10, you can set to 1-30.
5. Click Confirm to accept the change.
Contrast
You can configure the LCD screen contrast of SIP-T21(P) E2 to a comfortable level. 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.
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.
Backlight
You can configure the backlight to adjust the brightness of the LCD screen. Backlight status on