Dive Settings

You can customize the dive settings based on your needs. Not all settings are applicable for all dive modes.

From the watch face, press , select Activities, select a dive activity, press , and select the activity settings.

Advanced Settings: Customizes advanced settings for diving activities (Advanced Dive Settings).
Apnea Discipline: Sets the discipline type for apnea diving.
Auto Save Timeout: Sets the length of time before the watch ends and saves a dive after surfacing.
Conservatism: Sets the level of conservatism for decompression calculations for scuba diving. Higher conservatism provides a shorter bottom time and a longer ascent time.
Display Settings: Sets the screen brightness and timeout for diving activities.
Gas: Sets the gas blend used for scuba diving.
PO2: Sets the partial pressure of oxygen (PO2) thresholds, in bar, for warnings and critical alerts for scuba diving (Dive Alerts). The PO2 Warning value is the threshold for the highest oxygen concentration level that you are comfortable reaching. The PO2 Critical value is the threshold for the maximum oxygen concentration level that you should reach.
Pool Mode: Enables pool mode for scuba diving. When the watch is in pool dive mode, the decompression lockout feature functions normally, but dives are not saved to the dive log.
Safety Stop: Sets the safety stop duration for scuba diving.
Water Type: Set the water type for diving activities.

Advanced Dive Settings

You can customize the dive settings based on your needs. Not all settings are applicable for all dive modes.

From the watch face, press , select Activities, select a dive activity, press , select the activity settings, and select Advanced Settings.

Auto Dive: Automatically starts a dive activity based on your last dive type when you begin your descent. You can use the Snooze option to temporarily disable this feature.
Double Tap to Scroll: Scrolls through the dive data screens when you double tap the watch. If you notice accidental scrolling, you can use the Sensitivity option to adjust the responsiveness.
UP Key: Disables the button during dive activities to prevent inadvertent button presses.
Wrist Heart Rate: Enables the wrist-based heart rate monitor for dives.
Compass: Calibrates and sets the north reference for the compass (Calibrating the Compass Manually).
Satellites: Sets the satellite system to use for dive entry and exit locations (Satellite Settings).
Deco Lockout: Enables the decompression lockout feature. This feature prevents scuba dives for 24 hours if you violate a decompression ceiling for more than three minutes.

NOTE: You can still disable the decompression lockout feature after violating a decompression ceiling. You cannot disable the decompression lockout feature after violating the dive depth limit of the watch (Exceeding the Depth Limit).