This panel is available when there is at least one device with a temperature sensor asociated, this includes extruders, heaters, sensors and temperature_fans.
There are 3 main modes of operation:
Define profiles to quickly change the target temperature of multiple selected devices. This is the default mode when not printing.
Change the target of the selected devices, the amount is selectable. This is the default mode while printing
Direct input with keypad
Allows to set the exact temperature using the keypad.