2. GETTING ACQUAINTED

2.1. FUNCTIONS

The D3 wristop computer is a multipurpose dive instrument and a sport watch fea- turing different watch and dive computer modes. You can select the dive computer model between Gauge diving mode (GAUGE) and Freediving mode (FREE). The GAUGE and FREE modes can also be disabled (set to OFF) and the instrument can be used as a sports watch on land or in water.

2.2. PUSH BUTTONS

The D3 is controlled with four push buttons as follows (see Fig. 2.1.).

M(MODE)

To change from a main mode to an other main mode press the mode button.

To exit from a submode to a main mode press the mode button.

To activate the electroluminescent backlight hold down the mode button for more than two seconds or one second in the diving mode.

To accept the settings in the Setting Mode press the mode button.

S(SELECT)

To select a submode press the select button.

To select the active segment in the Setting Mode press the select but- ton.

To select the display in the Logbook Mode press the select button.

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Suunto manual Getting Acquainted, Functions, Push Buttons, D3 is controlled with four push buttons as follows see Fig

D3 specifications

The Suunto D3 is a versatile dive computer designed for both novice and seasoned divers. With a focus on simplicity and reliability, the D3 offers key features that enhance the underwater experience while ensuring safety. It combines advanced technology with an intuitive interface, making it an essential tool for divers.

One of the standout features of the Suunto D3 is its ability to function in multiple modes, including freedive, scuba, and gauge modes. This versatility allows divers to adapt the device based on their chosen activity. In scuba mode, the D3 provides essential information such as current depth, dive time, and no-decompression limits, while the freedive mode is tailored for those looking to monitor their performance during breath-holding dives. The gauge mode is particularly useful for technical dives where external decompression tables might be utilized.

The Suunto D3 is equipped with a user-friendly interface that incorporates a large, clear display, ensuring visibility in various underwater conditions. The screen is designed to be easy to read, featuring bold digits and an organized layout that allows users to quickly access critical dive data. Additionally, the adjustable backlight ensures that divers can easily read the device in low-light conditions.

In terms of construction, the Suunto D3 is built for durability. It features a rugged casing and scratch-resistant mineral glass, allowing it to withstand the demanding conditions of underwater environments. The device is also lightweight, making it comfortable to wear for extended periods, whether diving or engaging in other activities.

Another notable characteristic of the Suunto D3 is its battery life. Designed for long dives, it has an impressive battery that can last through multiple dive sessions before requiring a replacement. This feature alleviates any concerns about the device shutting down in the middle of a dive, providing divers with peace of mind.

Incorporating Suunto’s advanced dive algorithms, the D3 ensures that divers receive accurate and reliable data throughout their underwater excursions. With its combination of robust features, ease of use, and rugged design, the Suunto D3 remains a popular choice among divers who seek a dependable dive computer to accompany them on their underwater adventures. Whether it’s exploring coral reefs or navigating deeper waters, the Suunto D3 is a trustworthy companion that merges performance with simplicity, allowing divers to focus on the beauty of the underwater world.