This document is a user guide for the Suunto Cobra3 underwater diving instrument. It provides an overview of getting started with the Cobra3, including setting time, date, units, and other features, as well as using the compass, RGBM/Deep Stop algorithm, nitrox, alarms, and error conditions.
This guide introduces the Suunto Cobra3 dive computer, describing its integrated digital compass, air integration, and gas‑switching features. It includes important safety warnings, cautions, and notes to help divers avoid injury or equipment damage.
The manual covers setup and operation, including time, date, unit, backlight, and tone settings, as well as dive modes (AIR, NITROX, GAUGE), depth and tank‑pressure alarms, safety/deep stops, and RGBM adjustments. It also details battery replacement, maintenance, warranty information, and technical data such as recommended depth limits and no‑fly times.