Garmin AA4272 Quick Start Manual - Page 11

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Single-Gas: This mode allows

you to dive with a single

gas blend. You can set up

to 11 additional gases as

backup gases.

Multi-Gas: This mode allows

you to configure multiple

gas blends and switch

gases during your dive.

You can set the oxygen

content from 5–100%.

This mode supports one

bottom gas, and up to 11

additional gases as

decompression or backup

gases.

NOTE: Backup gases are

not used in no-

decompression limit (NDL)

and time to surface (TTS)

Quick Start Manual

decompression

calculations until you

activate them during a

dive.

CCR: This mode for closed-

circuit rebreather (CCR)

diving allows you to

configure two partial

pressure of oxygen (PO2)

setpoints, closed-circuit

(CC) diluent gases, and

open-circuit (OC)

decompression and

backup gases.

Gauge: This mode allows you

to dive with basic bottom

timer features.

NOTE: After diving in

gauge mode, the device

can only be used in gauge