Amron AMCON II 2825R Series User Manual

Amron AMCON II 2825R Series User Manual

Two diver rack mount communicators

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This manual and the information contained herein are provided for use as an operation and maintenance
guide. No license or rights to manufacture, reproduce, or sell either the manual or articles described
herein are given. Amron International, Inc. reserves the right to change specifications without notice.
User Manual
For
Amron International, Inc.
Model 2825R-XX Series
Two Diver Rack Mount Communicators
S/N ____________________
1380 Aspen Way, Vista California 92081-8349
United States of America
Phone: (760) 208-6500
Fax (760) 599-3857
Email:
sales@amronintl.com
Web:
www.amronintl.com
Copyright© 2018 Amron International, Inc.

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Summary of Contents for Amron AMCON II 2825R Series

  • Page 1 This manual and the information contained herein are provided for use as an operation and maintenance guide. No license or rights to manufacture, reproduce, or sell either the manual or articles described herein are given. Amron International, Inc. reserves the right to change specifications without notice. Copyright© 2018 Amron International, Inc.
  • Page 3: Table Of Contents

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL TABLE OF CONTENTS INTRODUCTION AND SPECIFICATIONS ..................1 Introductions ..........................1 Electrical Specifications ........................ 1 Mechanical Specifications ......................1 Amcom II Model 2825R-XX Two Diver Rack Mount Communicator ..........2 OPTIONS AND ACCESSORIES ......................3 Options ............................
  • Page 4: Introduction And Specifications

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL INTRODUCTION AND SPECIFICATIONS Introductions The 2825R-XX Series AMCOM II Rack Mount Diver Communicators are a full featured, two- diver, hardwire communicator that uses state-of-the-art electronics to provide clear and reliable communications. The 2825R-XX is designed for integration into a standard 19 inch equipment rack and all necessary connections can be made via the front panel jack or rear mounted MS connector.
  • Page 5: Amcom Ii Model 2825R-Xx Two Diver Rack Mount Communicator

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Amcom II Model 2825R-XX Two Diver Rack Mount Communicator The front panel contains all the controls and connections required to operate the communicator. It is intended that the divers will be connected to the communicator using the rear chassis MS connector, but the front panel 5-way binding post can be used as required.
  • Page 6: Options And Accessories

    OPTIONS AND ACCESSORIES Options The following options are available to customize the AMCOM communicator. Options have to be ordered at the time of purchase or the communicator has to be returned to AMRON for the option to be installed. 2.1.1 Model 2825R-02 With DSP3 Helium Speech Unscrambler The AMRON’s DSP3 Helium Speech Unscrambler uses state of the art Digital...
  • Page 7 2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Model 2821-28 – Amron Remote Push to Talk Module 2.2.5 Designed for 2-Wire applications, the Model 2821-28 provides the tender with mobility around the dive site while maintaining communications with the diver. It comes equipped with a small clip-on belt module that contains a push-to-talk switch, connector for the headset, and 25 feet (7.6 meters) of lightweight flexible...
  • Page 8: Controls And Connections

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL CONTROLS AND CONNECTIONS Before using the 2825R-XX diver communicator, the tender should be familiar with all the operating controls and connections. While reading this manual, you will find capitalized words such as PANEL SPEAKER.
  • Page 9: Tender Connections

    If the tender requires more mobility at the dive site, the Amron Model 2821-28 Remote Push-to-Talk Module can be used to extend the headset cable. It includes a push-to-talk button on a clip- on belt module and comes standard with 25 feet (7.6 meters) of cable (custom...
  • Page 10: Diver Controls

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Tender Microphone Jack – This is a dual banana jack (color-coded red) that 3.2.2 functions as the microphone input from the tender's headset. It is only used if the tender is in Full Duplex (4-Wire) mode. On the 2825R-XX, the TENDER MICROPHONE VOLUME control adjusts the sensitivity of the input.
  • Page 11: Other Connections

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 3.4.2 Diver Earphone - This is a dual 5-way binding post jack (color-coded black) that functions as the output for the diver's earphone. It is only used when the diver is in Full Duplex (4-Wire) mode.
  • Page 12: Option Controls: Dsp3 Helium Speech Unscrambler

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Option Controls: DSP3 Helium Speech Unscrambler The controls for the DSP3 Helium Speech Unscrambler (HSU) are located in the section immediately right of the DIVER 2 controls on the front panel. On/Off Switch –...
  • Page 13: Drawing, 2-Wire Connections

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Drawing, 2-Wire Connections 282XR-UM REV 5.0...
  • Page 14: Drawing, Full Duplex (4-Wire) Connections

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Drawing, Full Duplex (4-Wire) Connections 282XR-UM REV 5.0...
  • Page 15: Drawing, Push To Talk Microphone Connections

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Drawing, Push To Talk Microphone Connections 282XR-UM REV 5.0...
  • Page 16: Drawing, Operator Connections, Headset

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 3.10 Drawing, Operator Connections, Headset 282XR-UM REV 5.0...
  • Page 17: Installation And Operation

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL INSTALLATION AND OPERATION Operation The 2825R-XX Series AMCOM II rack mount diver communicator is designed to mount in a standard electronic equipment rack, 19 inches wide. The unit has connections located on both the front and rear of the enclosure, to facilitate system wiring.
  • Page 18 In 2-wire mode the tender must press the Push-to-talk Switch to be heard. If you are using the Amron Remote Push-to-Talk, Model 2821-28, the tender may press the Push-to-talk Switch on the belt module.
  • Page 19: Volume Controls (2-Wire)

    2825R-XX by using the Amron Model 2822-28 Remote Walk-and-Talk Module. In this way, the PANEL SPEAKER can allow other members of the diving crew to monitor the dive operation or to communicate to the diver by pressing the PUSH-TO-TALK BUTTON and talking into the speaker.
  • Page 20: Volume Controls (4-Wire)

    Connect tender headset earphones to Headset (input), and headset microphone to Tender Microphone (input). Turn speaker off to avoid acoustic feedback. Operation with speaker is possible by extending tender's headset away from the speaker. Use Amron Model 2822-28 headset extension cable (25 foot).
  • Page 21: Other Tender Controls

    The communicator has an automatic speaker disconnect relay which disconnects the front panel speaker when using the hand held microphone. This greatly reduces the background noise during transmissions to the divers. This feature is also functional when using an AMRON headset, and headset extender (Model 2821-28). 4.7.5 Speaker On/Off Switch For normal operation the speaker switch is left on.
  • Page 22: 4.8 Options

    Amron’s advanced NOISE REDUCTION FILTER (NRF) incorporates a complex DSP algorithm which filters out background noise while allowing the diver’s speech to be clear and intelligible. Amron’s NRF automatically captures the frequency spectrum of applied background noise within the audio frequency bandwidth and reduces it without affecting the diver’s speech.
  • Page 23: Maintenance And Troubleshooting

    If that does not resolve the problem, then go to the troubleshooting section to determine the cause. 4. Identify the microphone and headset leads. When using an Amron headset, the microphone is the red banana plug and the headset is the black banana plug.
  • Page 24: General Maintenance

    If that does not resolve the problem, then go to the troubleshooting section to determine the cause. 4. Identify the microphone and headset leads. When using an Amron headset, the microphone is the red banana plug and the headset is the black banana plug.
  • Page 25: Recommended Maintenance Schedule

    5.3.4 Yearly Check For maximum service life, it is recommended that the diver communicator be sent back to Amron for a yearly check. 5.3.5 Long Term Storage If the diver communicator is to be stored for a period greater than 30 days, it is recommended that it be stored in a cool dry location.
  • Page 26: Troubleshooting

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Troubleshooting Most problems are usually simple issues that can often be found by careful inspection of the diver communicator, diving umbilical, and diver helmet wiring. The following section will describe the troubleshooting procedure for several common issues. If these sections do not cover your particular issue, it is recommended that the diving umbilical be disconnected from the diver communicator and the check-out procedures in section 5.1 be conducted.
  • Page 27 If the fuse is open, replace with the same type: 3.15 Amp, 250V, Fast Acting. Close the lid; re-install the screws and re- test the communicator. If the communicator still appears dead, contact Amron for further assistance.
  • Page 28 PANEL SPEAKER of the 2825R-XX. If the tender wants to operate with the headset and leave the PANEL SPEAKER on, Amron recommends the tender move away from the 2825R- XX by using the Amron Model 2822-28 Remote Walk-and-Talk Module. This module provides an "extension"...
  • Page 29: Drawings

    The corresponding parts lists for each drawing are detailed in the parts lists section, or are included as part of the drawing. All drawings are at their current revision level as of the date of printing. Amron reserves the rights to revise the documentation without notification.
  • Page 30: Parts Identifier, Front Panel, Model 2825R-01

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 6.1 Parts Identifier, Front Panel, Model 2825R-01 282XR-UM REV 5.0...
  • Page 31: Parts Identifier, Front Panel, Model 2825R-02

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL 6.2 Parts Identifier, Front Panel, Model 2825R-02 282XR-UM REV 5.0...
  • Page 32: Parts List

    The parts lists in this manual are for the current model of diver communicator as of the printing date. To Order Replacement Parts Contact: Amron International, Inc. 1380 Aspen Way, Vista, California, 92081 U.S.A. Telephone: (760) 208-6500 Fax: (760) 599-3857 Email: sales@amronintl.com...
  • Page 33: Amcom Ii Rack Mount, Model 2825R-01

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Amcom II Rack Mount, Model 2825R-01 PART # DESCRIPTION 570-1008-21 AMPLIFIER PC CARD ASSEMBLY FOR 2825R-01 2825R/24-400 AMCOM II RACKMOUNT FRONT PANEL ASSEMBLY 190-0101-00 POWER SUPPLY AC/DC 90-264 VAC 2405-28 MICROPHONE PUSH-TO-TALK 2890-05 RECHAREABLE SEALED LEAD-ACID BATTERY 12VDC MS-3106A-28-16P...
  • Page 34: Sub Assembly 2825R/26-400M-Dsp3, Front Panel Components

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Sub Assembly 2825R/26-400M-DSP3, Front Panel Components PART # DESCRIPTION 24XX-MIC PANEL MICROPHONE ASSEMBLY HANDLE SA818 SPEAKER 8 OHM 15 WATT SW-201 SWITCH TOGGLE DPDT SW-208 SWITCH TOGGLE DPDT-MOM. 91A1AB24B15 POTENTIOMETER 10K LINEAR KLN-500B-1/4 KNOB BLACK AL .5DIA .25INSHAFT 1498-103...
  • Page 35: Optional Spares

    2825R-XX SERIES TWO DIVER RACK MOUNT COMMUNICATOR USER MANUAL Optional Spares PART # DESCRIPTION 570-1008-21 AMPLIFIER PC CARD ASSEMBLY FOR 2825R-01 570-1008-21-HSU AMPLIFIER PC CARD ASSEMBLY FOR 2825R-02 570-1006-02 DSP3 HELIUM UNSCRAMBLER PC CARD ASSEMBLY 190-0101-00 POWER SUPPLY AC/DC 90-264 VAC 2405-28 MICROPHONE PUSH-TO-TALK 2890-05...
  • Page 36: Limited Warranty And Service Policy

    Amron’s literature covering this product. Oxygen Treatment Hoods and accessories are excluded and limited to 90 days. Amron’s obligation under this warranty is limited to the repair of or replacement, at Amron’s option, of defective material. This warranty shall not cover defects which are the result of misuse, negligence, accident, repair or alterations.

This manual is also suitable for:

Amcon ii 2825r-01Amcon ii 2825r-02

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