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 Activity Options.

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.