To gain access to the setpoint menu on the 7802A computer, press the 'S' button for 3 seconds and hear a beep. Use the 'P' button to select between the temperature and humidity setpoint. Use the Up/Down arrows to increase or decrease the value. Once done , press the 'S' button for 3 seconds to save and hear a beep.
Watch this video ->
Please wait... it will take a second!