Ocean Reef GSM, Owner'S Manual

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Rel 8.1. October 2009
OCEAN REEF
GSM
TM
- GSM DC
TM
- GSM DAT
TM
- M101A
OWNER’S MANUAL
INDEX
Chapter 1 Introduction
Chapter 2 Description of the GSMs and M-101A Units
Chapter 3 Attaching the GSMs to a Full face Mask or
Integrated System
Chapter 4 Installing the battery
Chapter 5 Checking before use
Chapter 6 Basic Instructions
Chapter 7 Instructions for underwater communication
Chapter 8 Precautions
Chapter 9 Guarantee
Chapter 10 Technical Characteristics
IMPORTANT INFORMATION
Congratulations on purchasing an Ocean REEF underwater com unit.
This manual contains the instructions for the entire unit’s functions as well
as warnings in relation to using the OCEAN REEF GSMs / M101A
underwater communication system. These must be read carefully before
using the equipment.
WARNING
!
Continue to breathe while surfacing from a dive even if you are
listening to the communications unit. Lung expansion injuries may result if
you ascend while holding your breath.
DO NOT STOP BREATHING
WHILE SURFACING FROM A DIVE.
If you are going to speak while diving you should take in a larger than
normal breath.
ALWAYS MONITOR YOUR PRESSURE GAUGE.
Before attempting to use this device in open water you must practice using
the unit in confined water (such as a pool).
Chapter 1
INTRODUCTION
The Ocean REEF communication system is lightweight and compact. The
frequency it uses is compatible with other communication systems on the
market.
In the present manual GSMs are the available models of GSM:
GSM
Global Submarine Messenger
GSM DC
TM
Double Channel
GSM DAT
TM
Digital Activation Transmission
The
GSMs
are a wireless underwater communication receiver/transmitter
using ultrasound. The GSMs switch on automatically (as does the M-101A
model) when immersed in water. You can speak to your partner by
pressing the transmission button. The system is attached to the Neptune
masks by NACS (see forward).
1