Configuring Basic Features87Parameters PermittedValues Defaultphone is busy.0-Disabled (power indicator LED is off)1-Enabled (power indicator LED is solid red)Web User Interface:Features->LED->Talk/Dial Power Light OnPhone User Interface:NoneTo configure the power Indicator LED via web user interface:1. Click on Features->LED.2. Select the desired value from the pull-down list of Common Power Light On.3. Select the desired value from the pull-down list of Ringing Power Light Flash.4. Select the desired value from the pull-down list of Voice Mail Power Light Flash.5. Select the desired value from the pull-down list of Mute Power Light Flash.6. Select the desired value from the pull-down list of Hold/Held Power Light Flash.7. Select the desired value from the pull-down list of Talk/Dial Power Light On.8. Click Confirm to accept the change.ContrastContrast determines the readability of the texts displayed on the LCD screen. Adjusting thecontrast to a comfortable level can optimize the screen viewing experience. When configuredproperly, contrast allows users to read the LCD’s display with minimal eyestrain. You canconfigure the LCD’s contrast of T40P and EXP40 connected to T48G/T46G Skype for Businessphones. Make sure the expansion module has been connected to the Skype for Business phonebefore adjustment. Contrast is not applicable to T42G/T41P Skype for Business phones.
