You can customize the dive settings based on your needs. Not all settings are applicable for all dive modes. You can also edit the settings before you start a dive.

Hold MENU, and select Dive Setup.

Gases

Sets the gas blends used in the gas dive modes (Setting Up Your Breathing Gases). You can have up to twelve gases for each gas dive mode.

Dive Network & Air Integration

Pairs Descent™ transceivers and configures the data screens (Air Integration).

Conservatism

Sets the level of conservatism for decompression calculations. Higher conservatism provides a shorter bottom time and a longer ascent time. The Custom option sets a custom gradient factor.

NOTE: Make sure you understand gradient factors before entering a custom level of conservatism.

Auto Dive

Sets the type of dive activity that starts automatically when you begin your descent. You can use the Snooze option to temporarily disable this feature.

Water Type

Sets the water type.

PO2

Sets the partial pressure of oxygen (PO2) thresholds, in bar, for the maximum operating depth (MOD), decompression, warnings, and critical alerts (Setting PO2 Thresholds).

Scuba Alerts

Sets custom alerts for gas dives (Custom Dive Alerts).

Apnea Alerts

Sets custom alerts for apnea dives (Custom Dive Alerts).

Display Settings

Enables Big Numbers mode and customizes the data screens for each dive mode ( Dive Data Screens).

Safety Stop

Changes the safety stop duration.

Last Deco Stop

Sets the depth of the final decompression stop.

Apnea Discipline

Sets the discipline type for apnea diving.

NOTE: You can view the discipline type for the dive in the dive log (Viewing the Dive Log Glance).

End Dive Delay

Sets the length of time before the device ends and saves a dive after surfacing.

CCR Setpoints

Sets high and low PO2 setpoints for closed-circuit rebreather (CCR) dives (Setting CCR Setpoints).

Dive Shortcuts

Assigns button shortcuts for use during dives.

Setup Sharing

Sends or receives dive computer settings between compatible devices (Sharing Dive Settings Between Devices). For example, you can share settings between your primary and backup dive computers, or your dive computer and that of another user, such as an instructor.

Advanced Settings

Customizes advanced dive mode settings (Dive Mode Advanced Settings).