Contrast; Contrast Configuration - Yealink SIP-T5 Series 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/T27G/T23P/T23G/T21(P) E2/T19(P) E2/CP920 phones,
or for expansion module EXP20 (connected to T29G/T27G phones), EXP40 (connected 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 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.
For T29G phones, it configures the LCD's contrast of the connected EXP20 only.
Description
For T27G phones, it configures the LCD's contrast of the IP phone and the connected EXP20.
For T40P/T40G/T23P/T23G/T21(P) E2/T19(P) E2/CP920 phones, it configures the LCD's contrast of
the IP phone.
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, T48U, T46U, T42G, T42S, T42U, T41P and T41S
Devices
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
197