Gemo DT 104 A Series User Manual page 6

Three independent Gemo DT 104 A Series PID controlled heat control
devices have been used in Masterpress Jambs Pattern Machine.
Hold the SET button for 3 seconds to adjust the temperature.At the end of the time, the red PV value
in the top row starts to flash.Set the desired value by the up and down key.Then press the SET
button again to set the the desired value.
The green values Sv at the bottom show the current temperature value.
ADJUSTING THE HEAT