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Summary of Contents for Ocean Reef GSM Mercury
- Page 3 For nearly 70 years, OCEAN REEF has been involved in the underwater diving industry. We have contributed much to this industry, from fins and snorkels to the most modern systems of underwater communication. Through the spirit of intrepid pioneers, brilliant inventors, passionate divers, and dynamic entrepreneurs, OCEAN REEF has been able to turn dreams into reality in the underwater world.
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Page 4: Table Of Contents
TABLE OF CONTENTS Introduction General precautions and warnings Product Specs PTT/MIC Functioning Scheme Antenna Battery compartment Mounting the GSM Mercury on the Extender Frame Microphone Replacing the Blue-Mic Replacing the Battery Checking before use Basic Instructions for underwater communication Warnings & Troubleshooting... -
Page 5: Introduction
NEVER wash any part of the communication unit with anything else than fresh water and the compartments opened and/or unscrewed. DO NOT apply any type of aerosol spray on the GSM Mercury communication unit. Doing so may cause permanent damage to certain components. -
Page 6: Product Specs
Product Specs Mercury, the new ultrasonic communication unit, is made to fit only on the SPACE EXTENDER FRAME. The main features are: • two speakers with volume adjustment • new PTT/MIC assembly for a more ergonomic use • two channels •... -
Page 7: Ptt/Mic
The new GSM DC2 consists of three main parts: 1. PTT/MIC Mercury communication unit manual rel.1.2... - Page 8 The switchboard consists of two buttons The PTT button has 3 functions: • During a “normal” use it is activating the transmission mode when pressed and the receiving mode when released (PTT) • When into the programming mode it is used to make the desired selection by pressing once quickly.
- Page 9 The lever style button has 2 functions: • Volume adjustment; by flipping it quickly it is increasing the receiving volume. There are 3 volume level steps, the unit is always turning on level 2, by flipping it once the volume will rise to level 3, by flipping it again it will lower to level 1…...
- Page 10 In the following the functioning scheme of PTT/MIC is summarised. As soon as the unit is submerged it is turning automatically ON and the diver hears a «unit ON» message. Now the unit is working in «PTT mode (D.A.T. OFF)”, Volume 2. The unit is always in listening phase until the diver pushes the PTT button, keeping it pressed the diver is able to communicate to other underwater or surface units activated on the same channel.
- Page 11 2. Main electronic housing with L speaker strap holder, wet activation screws and foldable support for SPACE EXTENDER FRAME On the internal side there is the left ear speaker, on the external side the antenna and the two wet contacts for the automatic turning on/off of the unit, on the sides there is the strap holder to keep the left strap in a streamline position after the adjustment of the mask and the new foldable support for the extender frame to bend the communication unit towards the inside of the mask to store it in an easier and more compact way.
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Page 12: Battery Compartment
3. Battery compartment with rechargeable Li-Ion 3.7v Battery, battery charger management electronics, strap holder and foldable support for SPACE EXTENDER FRAME The compartment may be opened to recharge or replace the battery. WARNING: In the compartment there are 2 seals, specifically a red o-ring on one side and a black gasket on the other, check that the two seals are in position, clean and lubricated before closing the compartment and dive. -
Page 13: Mounting The Gsm Mercury On The Extender
Mounting the GSM Mercury on the Extender Frame The Bridges R & L and screws are included with the unit. Start removing from the Extender Frame both side connections, as shown in the picture below. Begin mounting the L, antenna earphone of the Mercury. Securing it to the Extender Frame exactly like a neutral or an earphone support. - Page 14 Proceed connecting the PTT/MIC on the COMMUNICATION side port of the mask by screwing it on. The crown around the PTT will turn until flush. Last, connect the battery compartment to the right side of the Extender Frame by having the cable connecting the two ears passing underneath the straps into the face seal groove.
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Page 15: Microphone
BLUE-MIC Microphone The GSM Mercury uses a dynamic microphone, ”Blue-Mic” encapsulated and protected by a hydrophobic membrane. The Blue-MIC is assembled to be less invasive and delicate than any other underwater microphone. It is still possible to detach and replace by using two screws. -
Page 16: Replacing The Blue-Mic
Replacing the Blue-Mic Remove the PTT/MIC assembly from the mask, unscrew few threads of the two little side screws and pull off the Blue-Mic. Replace with the new one being careful not to overtighten the little screws to avoid damages to the contacts and to mount the microphone in the same direction. Replacing the Battery. -
Page 17: Checking Before Use
Pushing the PTT button you will hear a “beep” indicating that you can transmit, speak keeping the PTT button pressed and check that the other unit is receiving. Do the opposite operation to check the receiving of your GSM Mercury. •... -
Page 18: Basic Instructions For Underwater Communication
Basic Instructions for Underwater Communication The GSM Mercury is activated for reception as soon as it is immersed in water, and it turns off a few seconds after it dries out. When it is switched on, this is confirmed by a message “CHANNEL ONE”. -
Page 19: Warnings & Troubleshooting
Do not use solvents (such as diluents) to clean the unit. They can cause irreparable damage. Only use neutral detergents. • Use fresh water to remove the seawater from your GSM Mercury after each use. The product must be stored completely dry. •... - Page 20 This is normal, due to speaking in a mask. It is like trying to speak after or while running. Take your time. Rest and breathe. Always remember that you are in water and follow safe and healthy behaviors. © OCEAN REEF 2020 Release 1.1 Mercury communication unit manual rel.1.2...
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Page 21: Technical Specifications
Technical specification • Type: Wireless ultrasonic • Activation: Automatic • Transmission: PTT/D.A.T. • Receiving: Automatic/D.A.T. • Speaker volume adjustment: 3 levels. • Charging time from fully discharged 1h • Autonomy: 25h • System Type: H-SSB • Frequency: ch1 32.768 KHz, ch2 41.000 KHz •... -
Page 22: Warranty
Warranty OCEAN REEF communication units are guaranteed to be free of material or manufacturing defects for a period of 24 months from the time the unit is purchased. For the duration of the guarantee, the Company’s responsibility is limited to the replacement of any parts that are defective, and that have not been used incorrectly or handled negligently. - Page 23 Mercury communication unit manual rel.1.2...
- Page 24 Operating the unit OCEAN REEF Inc MESTEL Safety s.r.l 2510 Island View Way Via Arvigo 2, 16010 Genova (Italia) Vista, CA 92081 Phone +39 010 7082011 Phone +1 760 744 9430 E-mail: infoitaly@oceanreefgroup.com Fax +1 760 744 9525 E-mail: operator@oceanreefgroup.com d iv ing .o c e a n re e fg ro up .c o m...
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