North Edge AQUA User Manual

1. Safety tips-please read them carefully before using
⚠Please ensure that you fully understand the diving equipment and
the use of this product,as well as the meaning of the display content
on the watch. If you have any questions about this product, be sure
to contact the NORTH EDGE dealer before diving and using it.
Remember, your safety is your responsibility, please pay attention to
all the details, and do not neglect any physical discomfort!
⚠Be sure to read and understand the entire manual. Any confusion
or negligence, failure to follow the manual exactly, or failure to follow
the normal operating procedures can lead to serious injury or even
death.
⚠The NORTH EDGE dive watch is designed for recreational diving
only. North Edge is a strong advocate that the device should not be
used for commercial or professional diving. Any person engaged in
commercial or professional diving, often exposed to more than the
design of this watch depth and environment, is likely to lead to
decompression illness (DCI) .
⚠This product can not replace the formal diving education and
training. This product is intended for use only by divers who are
trained by a certified professional diver and know how to operate
diving equipment.
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North Edge AQUA Specifications

General

Brand	North Edge
Model	AQUA
Category	Watch
Language	English

Summary

Safety Tips and Usage Guidelines

General Safety Advice

Please read safety tips carefully before using the device for safe operation.

Dive Risks and Decompression

Every dive carries decompression illness risk; understand and manage limits.

Post-Dive Flight Restrictions

Avoid flights or high altitudes after diving if the computer indicates no-fly.

Oxygen Input Accuracy

Confirm and accurately input cylinder oxygen concentration for dive planning.

Product Maintenance Guidelines

Follow guidelines for product storage, cleaning, and general maintenance.

User Guide and Operation

Understand how to use the device, including pre-use checks and settings.

In-Water Data Verification

Verify displayed data constantly while underwater for safety.

Device Functions and Modes

Display Overview & Key Functions

Understand the full display and identify key functions of the device.

Button Controls Summary

Details on the function of each button (S1, S2, S3, S4) for navigation.

Mode Navigation and Conversion

Guide to converting between different modes like Time, Altitude, and Compass.

Time Mode Operations

Instructions for operating the device in Time mode and its interface.

Altitude Mode Guide

How to use and set the Altitude mode for accurate measurement.

Air Pressure Mode Guide

Instructions for using the Air Pressure mode and its display interface.

Compass Mode Guide

How to operate and calibrate the Compass mode for navigation.

Pedometer Mode Guide

Details on using the Pedometer mode for tracking steps and exercise.

World Time Mode Guide

Instructions for setting and using the World Time mode.

Free Diving Mode Guide

How to operate and configure settings for Free Diving mode.

Pre-Dive Settings Configuration

Setting up the interface before diving, including Scuba and Nitrox options.

Scuba Diving Mode Guide

Detailed operation of the Scuba Diving mode, including underwater interface.

Decompression Limit Alerts

Understanding alerts when decompression limits are exceeded and required actions.

Settings and Customization

Settings Overview

Introduction to the device's settings interface and navigation.

Tone & Contrast Settings

Adjusting keytone volume and screen contrast for user preference.

Time and Date Configuration

Setting the time, date, time zone, and daylight saving options.

Altitude & Pressure Settings

Configuring altitude and sea level pressure settings for accurate readings.

Scuba Dive Settings

Customizing Scuba dive settings like conservative level and oxygen content.

Unit Settings

Choosing between metric and imperial units for measurements.

Tissue Nitrogen Removal Settings

Managing tissue nitrogen removal settings, understand implications.

Disclaimer and Post-Dive Information

Important Disclaimers

General disclaimers regarding device use and limitations.

User Responsibility Clause

Outlines the user's responsibility for their own safety and device usage.

Post-Dive Flight Guidelines

Recommendations for flying after diving to prevent decompression sickness.

No-Fly Time Indicator

Understanding the no-fly time displayed on the watch and its implications.