... the heating element. When the actual temperature reaches 1C or 1F above target, the output will stop. ... will stop. Then when the actual temperature reaches 1C or 1Fabove target, output will be active again. ... button once, the target temperature will increase by 1C or 1F (depends on which display mode is ... button once, the target temperature will decrease by 1C or 1F (depends on which display mode is ...