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Sherwood Scuba SAGE User Manual

Sherwood Scuba SAGE
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© Pelagic, 2017 Doc. No. 12-7864-r06 (8/21/17)
DIVE COMPUTER MANUAL

Table of Contents

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Sherwood Scuba SAGE Specifications

General IconGeneral
BrandSherwood Scuba
ModelSAGE
CategoryDiving Instrument
LanguageEnglish

Summary

Warnings and Safety Recommendations

Notices

Getting Started

Basics

Overview of the dive computer's three-button interface and operation modes.

Initial Activation

Steps to power on the dive computer and its initial diagnostic check.

Power

Information on user-replaceable batteries (lithium and rechargeable) and their life.

Battery Charger

Guidance on using the recommended charger for rechargeable lithium batteries.

Changing the Battery

Detailed procedure for safely replacing the dive computer's battery.

Quick Disconnect Hose

Instructions for connecting and disconnecting the quick disconnect hose.

Display Icons

Explanation of symbols and their meanings displayed on the computer screen.

Buttons

Description of the three control buttons (MODE, ADV, SELECT) and their basic functions.

Button Functions

Detailed explanation of button actions for menu navigation and setting adjustments.

Dive Features

Safe Minutes (Dive Time Remaining)

Displays the minimum available dive time based on N2, O2, or air consumption.

O2 (Oxygen Time Remaining)

Shows oxygen saturation and oxygen-based remaining dive time.

ATR (Air Time Remaining)

Indicates the time remaining for air supply based on depth and consumption.

Bar Graphs

Visual representation of ascent rate and nitrogen loading.

Algorithm

Explanation of the Haldane-based decompression model used by the computer.

Conservative Factor

Adjustable setting to increase safety margins by modifying NDL calculations.

DS (Deep Stop)

Feature that calculates and displays a mandatory deep stop during ascent.

SS (Safety Stop)

Feature that guides the diver to perform a safety stop at a designated depth.

Low Battery

Warning indicators and functional limitations when the battery is low.

Air/NX Surface Mode

On the Surface Before a Dive

Displays information on the AIR/NX Main screen before starting a dive.

Set Brightness

Procedure to adjust screen brightness for optimal visibility and battery conservation.

Alt 1 (Last Dive)

Displays essential data from the previous dive.

Alt 2

Displays current elevation and temperature.

Alt 3

Displays nitrox-specific data: O2 saturation, PO2, and F02.

Main Menu

Plan

Calculates dive depth and time limits based on various dive parameters.

Log

Stores and allows viewing of recorded AIR/NX and GAUGE mode dives.

History

Provides a summary of basic data recorded during all dives.

Setup Menu

Allows adjustment of date, time, Bluetooth, auto dim, gas, alarms, and utilities.

Mode

Allows switching between AIR/NX and GAUGE operation modes.

My Info

Displays up to six lines of personal information entered via interface.

DC (Dive Computer) Info

Shows model, serial, firmware, and calibration details of the dive computer.

Air/NX Dive Operation

Initiating a Dive

Details on how a dive commences upon descending into the water.

Air/NX Dive Main (No Decompression)

Displays critical dive parameters during a no-decompression dive.

Alt 1

Shows ATR Safe Minutes, depth, ascent rate, max depth, and ambient temperature.

Alt 2

Displays nitrox-specific information such as O2 Safe Minutes and PO2.

Deep Stop Preview

Shows the calculated deep stop depth and time before it is triggered.

Deep Stop Main

Displays the active deep stop depth and countdown timer during ascent.

Safety Stop Main

Displays the safety stop depth and countdown timer during ascent.

Surfacing

Describes the transition to Surface mode after ascending from a dive.

Gas Switching

Complications

Decompression

Mode activated when NDL or depth limits are exceeded, with audible alarm.

Decompression Entry

Indicates entry into decompression mode with flashing messages and alarms.

Decompression Stop Main

Displays stop depth and time within 10 ft of the required decompression stop.

Conditional Violation (CV)

Situation where off-gassing credit is not given for ascending above stop depth.

Delayed Violation 1 (DV 1)

Occurs when shallower than stop depth for over 5 minutes, adding penalty time.

Delayed Violation 2 (DV 2)

Applies when decompression obligation requires a stop depth between 18m and 21m.

Delayed Violation 3 (DV 3)

Triggered by descending deeper than the maximum functional depth.

Violation Gauge Mode (VGM) During a Dive

Turns the computer into a digital instrument due to decompression violations.

High PO2

Warning or alarm for high partial pressure of oxygen, with audible alerts.

High O2 Sat (Oxygen Saturation)

Warning or alarm for high oxygen saturation levels, affecting safe minutes.

Gauge Operation Mode

On the Surface Before a Dive

Displays gauge mode surface screen, similar to AIR/NX but without N2 data.

Gauge Surface Main Menu

Accesses log, settings, and other options via the Gauge Menu.

Initiating a Dive

Details on how a dive commences in Gauge Mode upon descending.

Gauge Dive Main

Displays basic dive information like ascent rate, depth, and dive time.

Gauge Dive Alt

Shows depth, max depth, ambient temperature, and current time.

Delayed Violation 3 (DV3)

Indicates a violation due to descending past the maximum functional depth.

Compass Mode

Compass Display Icons

Illustrates and explains the icons used in the compass display.

Overview

Introduction to the 3D digital compass and its activation.

Compass Menu

Allows adjustment of compass accuracy and settings.

Calibrate

Procedure to calibrate the compass for accuracy, compensating for interference.

Set Declination

Sets the magnetic declination value for accurate compass readings.

Set Heading

Allows setting a reference or reciprocal heading for navigation.

Alarms

Describes how alarms affect compass mode operation and termination.

Reference

Uploading/Downloading

Instructions for transferring dive data using Bluetooth or USB.

Care and Cleaning

Guidelines for maintaining and cleaning the dive computer.

Inspections and Service

Recommendations for annual inspections and obtaining service.

Altitude Sensing and Adjustment

How the computer senses and adjusts for different altitudes.

Specifications

Operational Performance

Details on depth accuracy, dive counter, altitude, power, temperature, and pressure limits.

Notes

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