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Apeks DS4 - User Manual

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GB
REGULATORS OWNER’S MANUAL
DOC/0258/UK ISSUE 12
GB
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Apeks DS4 Specifications

General IconGeneral
HP Ports1
LP Ports4
Environmental SealingYes
Nitrox CompatibilityYes
Mount TypeDIN
Maximum Working Pressure232 bar
Inlet ConnectionDIN
MaterialMarine brass

Summary

Safety and Important Notices

Warnings, Cautions and Notes

Explanation of symbols used for warnings, cautions, and notes to highlight critical safety information.

General Precautions & Warnings

Enriched Air Nitrox Use (EAN)

Regulator Features and Adjustments

Environmental Protection and Cold Water Use

First Stage Environmental Protection

"DRY" environmental sealing system in first stages for contaminated or cold water, preventing ice formation.

Second Stage Cold Water Protection

Thermo-dynamic heat exchanger in second stages to warm the valve mechanism and reduce freeze-up risk.

Auxiliary Emergency Breathing Systems

Preparation and Setup

Attaching the First Stage to a Cylinder Valve (Yoke Connection)

Detailed procedure for attaching the first stage regulator to a yoke-style cylinder valve.

Attaching the First Stage to a Cylinder Valve (DIN)

Detailed procedure for attaching the first stage regulator to a DIN-style cylinder valve.

Diving with Your Regulator

Pre-Dive Inspection Checklist

Comprehensive checklist for inspecting hoses, regulators, and connections before a dive.

During the Dive

Guidance on using the regulator's features, like IVS/RVS and inhalation control, while submerged.

Diving In Cold Water

Precautions and procedures for diving in cold water to prevent freeze-up and ensure safe operation.

After the Dive and Maintenance

Care & Maintenance

Procedures for cleaning, rinsing, and maintaining the regulator after each use to ensure longevity and performance.

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