If you'd like to adjust the new order notification, please refer to the following steps and modify on iPad :
Click Settings > System Settings > check out System notification rules
Turn on/ turn off New order notification (Button in orange means enable)
If you wish there was a continuous sound effect while order came in, turn on Continuous order notification sound
*When New order notification had turn off (button in grey), new order received will direct appear on Order > Section New, kindly check frequently