Contrast; Contrast Configuration - Yealink SIP-T3 Administrator's Manual

X starts from 14, "name" is replaced with the language name
Default
Blank
Parameter wui_lang.delete
It deletes the specified or all custom web language packs and note language packs of the web user
Description
interface.
http://localhost/all or http://localhost/Y.name.js
Permitted
Values
Y starts from 014, "name" is replaced with the language name
Default
Blank

Contrast

Contrast determines the readability of the texts displayed on the LCD screen. Adjusting the contrast to a com-
fortable level can optimize the screen viewing experience.
You can adjust the contrast for T53W/T53/T43U/T40P/T40G/T31P/T31G/T31/T30P/T30/T27G/T23P/T23G/T21(P)
E2/T19(P) E2/CP920 phones, or for expansion module EXP20 (connected to T29G/T27G phones), EXP40 (con-
nected to T48S/T48G/T46S/T46G phones).
Topic

Contrast Configuration

Contrast Configuration
The following table lists the parameters you can use to adjust contrast for the phone.
Parameter phone_setting.contrast
It configures the contrast of the LCD screen.
For T53W/T53/T43U/T31P/T31G/T31/T30P/T30/T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2 phones,
it configures the LCD's contrast of the IP phone.
For T48S/T48G/T46S/T46G phones, it configures the LCD's contrast of the connected EXP40 only.
Description
For T29G phones, it configures the LCD's contrast of the connected EXP20 only.
For T27G phones, it configures the LCD's contrast of the IP phone and the connected EXP20.
Note: We recommend that you set the contrast of the LCD screen to 6 as a more comfortable level.
Permitted
Integer from 1 to 10
Values
Default 6
Supported All phones except T57W, T54W, T53C, T48U, T46U, T42G, T42S, T42U, T41P, T41S, T33P, T33G,
Devices CP925 and CP935W
Black-and-white Screen Phones:
Web UI
Settings > Preference > Contrast
Color Screen Phones:
Menu > Basic > Display > Contrast
Phone UI
Black-and-white Screen Phones:
Menu > Settings > Basic Settings > Display > Contrast
<y0000000000xx>.cfg
<y0000000000xx>.cfg
Phone Customization
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