The Anova app is the best way to help you cook like a pro, but you can set the timer directly on your Anova Precision Cooker Nano.
Select the Timer icon located on the top right of the display.
Press the + or - buttons to select the desired time (timer is displayed in HH:MM (hours:minutes)). Press and hold + or - buttons to rapidly increase time.
Once desired time is selected press the Timer icon to set the desired time.
Timer will commence countdown once desired temperature is achieved.