Yealink SIP-T46G - Contrast

Customizing Your Phone
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5. Press the Save soft key to accept the change or the Back soft key to cancel.
You can also configure the backlight via web user interface at the path
Phone->Preference.
Note
Contrast
You can configure the contrast of the expansion model-CM69 to a comfortable level.
Premise is the expansion model has been connected to the phone.
Backlight Level means the backlight intensity.