On some models you have the option to turn the temperature display OFF or ON on the Camera Unit. NOTE: if the following is not on your Parent Unit you cannot deactivate the temperature display.
Press the Settings icon on the Parent Unit:
Press the Temperature icon to enter the temperature settings menu:
Press the Edit icon to enter the camera LCD display setting menu:
Press the camera LCD display toggle button to activate/deactivate the LCD display on the camera:
When the toggle button is blue the feature is activated
When the toggle button is grey the function is deactivated
Press the Save button to confirm your settings: if you do not press save you will need to repeat the full process