Please login your device on browser and go to Setting>PTZ>Function>PowerUp.
Please choose the mode and the number of the specific function you want to run after powerup the device.
For instance, you want to see the gate, then we set one operation for your gate as preset 1, and then we go to the powerup to (1.click Enable; 2.choose Preset; 3. Choose the Preset Number； 4.Save) set it. Once the device is power on, the first scene will be the gate.