Ocean Reef GSM Mercury Instruction Manual
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Ocean Reef GSM Mercury Instruction Manual

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INSTRUCTION MANUAL

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Summary of Contents for Ocean Reef GSM Mercury

  • Page 1 underwater, naturally. INSTRUCTION MANUAL...

  • Page 3: 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 New D-Mic Replacing the Battery Checking before use Basic Instructions for underwater communication Warnings & Troubleshooting...

  • Page 4: Introduction

    Introduction GSM Mercury communication unit is the latest in OCEANREEF range of products. The frequencies it uses are compatible with other communication systems on the market. The high quality of the product does not allow the user to ignore the problems connected with the correct use of the product and the rules for safe diving.

  • Page 5: Product Specs

    Product Specs Mercury, the new ultrasonic communication unit is made to work only in combination with 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 6: Ptt/Mic

    The new GSM DC2 consists of three main parts: 1. PTT/MIC...
  • Page 7 The switchboard consists of two buttons The yellow 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 8 blue lever style button has 2 functions: • Volume adjustment; by pressing it quickly it is increasing the receiving volume. There are 3 volume level steps, the unit is always turning on level 2, by pressing it once the volume will rise to level 3, by pressing it again it will lower to level 1…...

  • Page 9: Functioning Scheme

    Functioning scheme: NORMAL USE 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 yellow button, keeping it pressed the diver is able to communicate to other underwater or surface units activated on the same channel.

  • Page 10: Antenna

    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...

  • Page 11: 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: check that the two seals are in position, clean and lubricated before closing the compartment and dive.

  • Page 12: Mounting The Gsm Mercury On The Extender Frame

    Mounting the GSM Mercury on the Extender Frame The Bridges R & L and screws are comprised 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 13 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.

  • Page 14: Microphone

    Microphone The GSM Mercury uses a dynamic microphone, ”D-Mic II” encapsulated and protected by a hydrophobic membrane. It is very similar to the D-Mic but in a different housing allowing a much easier handling and use of it. The microphone allows dependable clear reproduction of the human voice. It removes unnecessary noise such as the noise of bubbles being exhaled from the mask.

  • Page 15: Replacing The New D-Mic

    Replacing the New D-Mic Remove the PTT/MIC assembly from the mask, unscrew few threads of the two little side screws and pull off the new D-MIC. Replace with the new one being careful not to overtight the little screws to avoid damages to the contacts. Replacing the Battery.

  • Page 16: Checking Before Use

    PTT button pressed and check that the other unit is receiving. Do the opposite operation to check the receiving of your GSM Mercury. Push and hold for two seconds the blue level style button, you will enter the •...

  • Page 17: 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’s switched on, this is confirmed by a message “Unit ON”.
  • Page 18 When using the device in shallow water, you may experience difficulty • communicating because: 1. The surface is full of air bubbles formed by the waves. 2. The sand under water is causing ultrasonic noise due to the waves. For more information: https://diving.oceanreefgroup.com/support/...

  • 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 2019...

  • 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. duration guarantee, Company’s responsibility is limited to replacement of any parts that are defective in our opinion, and that have not been used incorrectly or handled negligently.
  • Page 24 OCEAN REEF Inc MESTEL SAFETY Srl 2510 Island View Way Via Arvigo, 2 Vista, CA, 92081 16010 Sant’Olcese Genova (Italia) Phone +1 760 744 9430 Tel. +39 010 7082011 Fax +1 760 744 9525 Fax +39 010 7082099 Toll free 1 800 922 1764 diving.oceanreefgroup.com...

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