Digital Temperature & Humidity Controller

1. Set start temperature (humidity): Press the "up" button once to display the starting temperature (humidity). Press and hold the "up" button for about 3 seconds. The desired temperature (humidity) can be adjusted with the up and down keys. 2. Set stop temperature (humidity): Press the "down" button once to display the stop temperature (humidity). Press the button for about 3 seconds and the stop temperature (humidity) number will flash. The desired temperature (humidity) can be adjusted with the up and down keys. 3. Temperature/humidity correction: Press the "up" and "down" buttons at the same time.