3.3.10 Sleep Time (adjust in the device)
You can set Sleep Time(time for display to go sleep) 5sec, 10sec, 30sec, or off, and it will help you to manage battery.
3.3.11 Buzzer On/Off (adjust in the device)
You set Buzzer On/Off, and as the results, all buzzers include alert in diving mode and others can be turned off. It will help you to manage battery.
3.3.12 Compss Calibration (adjust in the device)
You can do the compass Clibration on COMPASS in the setting menu. For more information about this please refer to 4.8.1 Compass Calibration.