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Amron AMCOM III series User Manual

Three diver communicator
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User Manual
For
Amron International, Inc.
Model 2830A/24 and 2830A/24-MS
Three Diver Communicator
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
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© 2015 Amron International, Inc.

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  • 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© 2015 Amron International, Inc.

  • Page 3: Table Of Contents

    2830A THREE DIVER COMMUNICATOR USER MANUAL TABLE OF CONTENTS INTRODUCTION AND SPECIFICATIONS ..................1 INTRODUCTION ........................... 1 ELECTRICAL SPECIFICATIONS ....................1 MECHANICAL SPECIFICATIONS ....................2 AMCOM III MODEL 2830A DIVER COMMUNICATOR ..............3 WARRANTY AND SERVICE POLICY ....................4 LIMITED WARRANTY ........................4 SERVICE POLICY ........................
  • Page 4 2830A THREE DIVER COMMUNICATOR USER MANUAL DRAWINGS ............................33 PARTS IDENTIFIER, FRONT PANEL MODEL 2830A/24 ............34 PARTS IDENTIFIER, FRONT PANEL MODEL 2830A/24-MS ........... 35 PARTS IDENTIFIER, MODEL 2826DSP3 & 28A OPTIONS ............36 PARTS LIST GENERAL ........................37 AMCOM III MODEL 2830A/24 ....................38 AMCOM III MODEL 2830A/24/26DSP3 ..................

  • Page 5: Introduction And Specifications

    The AMCOM III has independent microphone and earphone volume controls for each diver and the tender. All AMCOM III series have push-to-talk, and separate isolated inputs for each diver. The AMCOM III Model 2830A/24 is a portable three diver communication system, delivering 20 Watts of "voice power", operating from either a 110/220 V...

  • Page 6: Mechanical Specifications

    2830A THREE DIVER COMMUNICATOR USER MANUAL MECHANICAL SPECIFICATIONS Panel ..................Powder Coated Stainless Steel Enclosure ..................High Impact Resistant Plastic DIMENSIONS Length ......................14.5 in. (36.8cm) Width ......................9.0 in. (22.9cm) Height ......................10.0 in. (25.4cm) WEIGHT WITH BATTERIES 2830A/24 ...................... 18.73 Lbs. (8.50kg) 2830A/24-MS ....................

  • Page 7: Amcom Iii Model 2830A Diver Communicator

    2830A THREE DIVER COMMUNICATOR USER MANUAL AMCOM III MODEL 2830A DIVER COMMUNICATOR The Model 203-A AMCOM II is a full-featured, hard wired diver communicator. It features individual earphone volume controls for the tender (uplink) and each diver (downlink) earphones along with individual microphone level controls for maximum flexibility.

  • Page 8: Warranty And Service Policy

    Amron literature covering this product. 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.

  • Page 9: Options And Accessories

    11 Wireless Tender Headset. The wireless headset allows the tender freedom to move around. It requires the divers to be wired in 4-Wire mode. ACCESSORIES Amron produces a series of accessories designed to operate with the entire line of AMCOM communicators. MODEL 2401-28 – AMRON HEAVY-DUTY HEADSET 3.2.1...
  • Page 10 It comes equipped with a small clip-on belt module that contains the connectors for the headset, and 25 feet (7.6 meters) of lightweight flexible cable. Custom cable lengths are available. MODEL 2821-28 – AMRON REMOTE PUSH-TO-TALK MODULE 3.2.5 Designed for 2-Wire applications, the Model 2821-28 provides the tender with mobility around the dive site while maintaining communications with the diver.

  • Page 11: Tender And Diver Controls And Connections

    2830A THREE DIVER COMMUNICATOR USER MANUAL TENDER AND DIVER CONTROLS AND CONNECTIONS Before using the AMCOM III series diver communications system, you should familiarize yourself with its operating controls and connections. Improper use of controls and connections will deprive the user of the full benefits of this communication system.
  • Page 12 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 13: Diver Connections

    A & B. Conversation’s (up-link & down-link) are switched automatically when push to talk switch is actuated. When a pre-amp microphone is used in the 2-wire mode setup, it is required to have special speakers supplied only by Amron. Contact Amron for more information.

  • Page 14: Other Connections

    It is highly recommended to use an Amron External Charger, Model 2823-603 as external power supply. The Amron External Charger was specifically designed for use with all Amron communicators and has a high degree of insulation between the primary and secondary circuits for diver protection and safety.

  • Page 15: Option Controls: Helium Speech Unscrambler/26Dsp3

    2830A THREE DIVER COMMUNICATOR USER MANUAL OPTION CONTROLS: HELIUM SPEECH UNSCRAMBLER/26DSP3 The controls for the DSP3 Helium Speech Unscrambler (HSU) are located in the options panel on the right side of the front panel as shown below. ON/OFF SWITCH – Allows the selection of air (OFF) or helium (ON) operation. In 4.6.1 the OFF position, the divers’...

  • Page 16: Option Controls: Wireless Tender, /28A Option

    2830A THREE DIVER COMMUNICATOR USER MANUAL DEPTH CONTROL – Selects the amount of frequency correction performed by the 4.6.3 HSU to produce intelligible speech. This control uses a multi-turn potentiometer and is equipped with a turn counting knob and lock. Once the desired setting is reached, the lock can be used to prevent accidental changes to this control.

  • Page 17: Drawing, 2-Wire Connections

    2830A THREE DIVER COMMUNICATOR USER MANUAL DRAWING, 2-WIRE CONNECTIONS 2830A-UM REV 5.0...

  • Page 18: Drawing, Full Duplex (4-Wire) Connections

    2830A THREE DIVER COMMUNICATOR USER MANUAL DRAWING, FULL DUPLEX (4-WIRE) CONNECTIONS 2830A-UM REV 5.0...

  • Page 19: Drawing, Push-To-Talk Microphone Connections

    2830A THREE DIVER COMMUNICATOR USER MANUAL 4.10 DRAWING, PUSH-TO-TALK MICROPHONE CONNECTIONS 2830A-UM REV 5.0...

  • Page 20: Installation And Operation

    47-440Hz. Always use a power cord approved for the country of use. It may be purchased locally or ordered from AMRON. It is recommended the unit be placed on charge, and left on charge, until the unit is to be used again.

  • Page 21: Modes Of Operation

    2830A THREE DIVER COMMUNICATOR USER MANUAL time to safely complete dive operations. A battery that has not been used for a long period of time will exhibit a higher voltage than the actual charge state. This is known as surface charge and will quickly dissipate once the unit is turned on.

  • Page 22: Volume Controls - 2 Wire

    In 2-wire mode the tender must press the Push-to-Talk Switch to be heard. If you are using the Amron Remote Walk-and-Talk, Model 2821-28, the tender may press the Push-To-Talk Switch on the belt module. 5.4.2 FULL DUPLEX (4-wire) OPERATION Connect two wires from the diver’s microphone to the Microphone (input) Diver 1...

  • Page 23: Other Diver Controls (4-Wire Mode)

    Or you can disconnect his microphone circuit, which will disable his microphone. WIRELESS TENDER OPTION /28A This option is installed in the right hand area of the Diver Communicator front panel. Amron’s Full Duplex (Full Duplex™) Wireless Tender is designed to allow the top-side tender to communicate to divers with hands-free operation.

  • Page 24: Helium Speech Unscrambler Option /26Dsp3

    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 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 25 2830A THREE DIVER COMMUNICATOR USER MANUAL feature. This allows the tender to finely adjust the level necessary and lock the control to prevent accidental adjustments. At power-up, all the controls should be in the minimum (far left) position. Have the diver speak and adjust the DEPTH CONTROL as necessary to achieve the best speech quality.

  • Page 26: Maintenance And Troubleshooting

    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 27: General Maintenance

    2830A THREE DIVER COMMUNICATOR USER MANUAL 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. 5. Plug the microphone lead into the TENDER HEADSET (black) jack and the headset lead into the DIVER MICROPHONE (red) jack.
  • Page 28  Inspect the front panel gasket for any damage and replace if necessary.  On the communicator - recharge the battery using the Amron 2823-603 Battery Charger.  Perform the 2-Wire and Full Duplex (4-Wire) system checks as described in section 5.2.

  • Page 29: Troubleshooting

    2830A THREE DIVER 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 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 30 Drain the speaker if necessary. If these steps do not solve the problem then disconnect the diver umbilical and perform the communicator check out procedure per section 5.1. If the communicator fails the check-out procedure, contact Amron per section 2.2 for further assistance. If the communicator checks out, then the problem is likely in the diver umbilical communication cable.
  • Page 31 If this does not solve the problem and the umbilical cannot be immediately replaced, then operate in 2-Wire mode until a replacement umbilical can be used. Amron strongly recommends the use of the Amron CC1 communication cable. It has been specially designed for clear communications and long service life.
  • Page 32 Inspect the wiring for breaks and make sure all the connectors are firmly seated on the PCA. . If that does not resolve the problem then contact Amron per section 2.2 for further assistance. 2830A-UM REV 5.0...

  • Page 33: Full Duplex (4-Wire) - What, Why And How

    2830A THREE DIVER COMMUNICATOR USER MANUAL FULL DUPLEX (4-WIRE) - WHAT, WHY AND HOW Amron has designed the AMCOM Full Duplex (4-WIRE) mode from the ground up, taking advantage of state-of-the-art electronics technology to provide a superior hard wire communication experience.

  • Page 34: What Is Full Duplex (4-Wire)

    On the surface, a tender using a headset may get some acoustic feedback via the PANEL SPEAKER. The solution is to put some distance between the tender and the PANEL SPEAKER by using the Amron Model 2822-28 Walk-and-Talk Module accessory. Alternatively, the PANEL SPEAKER can be turned off using the SPEAKER SWITCH located on the front panel.

  • Page 35: Why Full Duplex (4-Wire)

    Amron Diver Communicator uses an independent microphone amplifier for each diver circuit as well as for the tender. This allows Amron Diver Communicators to use the power of common-mode rejection to cancel any coupled noise for each microphone as well as providing less loading of the microphone than in 2-Wire mode.
  • Page 36 To revert back to 2-Wire mode, simply remove black banana plug from DIVER EARPHONE (black) jack and plug it on top of DIVER MICROPHONE (red) plug. Things to keep in mind when using Amron's AMCOM diver communicators: With the AMCOM diver communicators you can mix 2-Wire and Full Duplex (4-Wire) modes of operation.

  • Page 37: Drawings

    2830A THREE DIVER COMMUNICATOR USER MANUAL DRAWINGS The following drawings illustrate the electrical and mechanical details of the AMCOM III Diver Communications. The corresponding parts lists for each drawing are detailed in the parts lists section, or are included as part of the drawing. 2830A-UM REV 5.0...

  • Page 38: Parts Identifier, Front Panel Model 2830A/24

    2830A THREE DIVER COMMUNICATOR USER MANUAL PARTS IDENTIFIER, FRONT PANEL MODEL 2830A/24 2830A-UM REV 5.0...

  • Page 39: Parts Identifier, Front Panel Model 2830A/24-Ms

    2830A THREE DIVER COMMUNICATOR USER MANUAL PARTS IDENTIFIER, FRONT PANEL MODEL 2830A/24-MS 2830A-UM REV 5.0...

  • Page 40: Parts Identifier, Model 2826Dsp3 & 28A Options

    2830A THREE DIVER COMMUNICATOR USER MANUAL PARTS IDENTIFIER, MODEL 2826DSP3 & 28A OPTIONS 2830A-UM REV 5.0...

  • Page 41: Parts List General

    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 42: Amcom Iii Model 2830A/24

    2830A THREE DIVER COMMUNICATOR USER MANUAL AMCOM III MODEL 2830A/24 Reference Part Number Description 2832-203-01 PC CARD ASSEMBLY AMCOM III 2820-301 AMCOM II CASE ASSEMBLY 2830A-400 FRONT PANEL/COMPONENTS ONLY 2824-500B BATTERY BOX-INTERNAL CHARGER 2405-28 MICROPHONE PUSH TO TALK 2890-05 BATTERY RECHARGE 12V GEL 7.2A 8-32X3/4KTSB SCREW KNURLED THUMB BRASS 8FWF...

  • Page 43: Amcom Iii Model 2830A/24/26Dsp3

    2830A THREE DIVER COMMUNICATOR USER MANUAL AMCOM III MODEL 2830A/24/26DSP3 Reference Part Number Description 2832-203-01 PC CARD ASSEMBLY AMCOM III 2820-301 AMCOM II CASE ASSEMBLY 2830A-400 FRONT PANEL ASSY WIRED 2824-500B BATTERY BOX-INTERNAL CHARGER 2405-28 MICROPHONE PUSH TO TALK 2890-05 BATTERY RECHARGE12V GEL 7.2A 8-32X3/4KTSB SCREW KNURLED THUMB BRASS 3/4...

  • Page 44: Amcom Iii Model 2830A/24/28A

    2830A THREE DIVER COMMUNICATOR USER MANUAL Reference Part Number Description 190-0500-15 KNOB TURN COUNTING DIAL 8511-30-00 CLIP CORD WHITE STYLE C2A 2826-DSP32-200 PC CARD ASSEMBLY UNSCRAMBLER 2836 SHORTY BUSHING.750 HOLE 2830A-UM USER MANUAL FOR ALL 2830A AMCOM III MODEL 2830A/24/28A Reference Part Number Description...

  • Page 45: Amcom Iii Model 2830A/24-Ms

    2830A THREE DIVER COMMUNICATOR USER MANUAL Reference Part Number Description 2324-J2 J2 CABLE ASSEMBLY 8-32X1/4SSPHP SCREW 8-32 1/4IN SS PH PHILL 8NUTSS NUT 8-32 S/S TAT-1/8 HEAT SHRINK TUBING 1/8IN BLACK 43025-0800 RECEPTACLE 8PIN MICRO-FIT 43030-0007 CONTACT 3.0mm FEMALE SOCKET 39-01-2040 RECEPTACLE 4 PIN MINI-FIT 39-00-0039...

  • Page 46: Amcom Iii Model 2830A/24/28A-Ms

    2830A THREE DIVER COMMUNICATOR USER MANUAL Reference Part Number Description 8NUTSSL NUT LOCKING 8-32 S/S TAT-1/8 HEAT SHRINK TUBING 1/8IN BLACK 8/18-22 TERMINAL RING NO 8 STUD/18GA. 2324-J2 J2 CABLE ASSY, RECHARGEABLE 39-01-2040 RECEPTACLE 4 PIN MINI-FIT 39-00-0039 TERMINAL FEMALE CRIMP MINI-FIT GEE62F-C0 GROMMET EDGING BLACK 8511-30-00...

  • Page 47: Amcom Iii Model 2830A/24/26Dsp3-Ms

    2830A THREE DIVER COMMUNICATOR USER MANUAL Reference Part Number Description LEDHOLDER-BLK.25 MOUNTING CLIP FOR 5MM LED 5168 SEAL HALF BOOT TOGGLE GREY 6-32X3/8HSBHC SCREW 6-32 X 3/8IN S/S 6NUTSSL NUT LOCKING 6-32 S/S 2829-11 REMOTE WIRELESS KIT W/CASE 570-1002-00 PC CARD ASSEMBLY WIRELESS 8-32X1SSPHP SCREW 8-32 1IN SS PH PHILL 8-32X1/4SSPHP...

  • Page 48: 2820-301 Case Assembly

    2830A THREE DIVER COMMUNICATOR USER MANUAL Reference Part Number Description 3207 GROMMET .114-.250 DIA. HOLE LEDGREEN LED GREEN BRITE LEDHOLDER-BLK.25 MOUNTING CLIP FOR 5MM LED 6-32X3/8HSBHC SCREW 6-32 X 3/8IN S/S 6NUTSSL NUT LOCKING 6-32 S/S 8NUTSSL NUT LOCKING8-32 S/S 8/18-22 TERMINAL RING NO 8 STUD/18GA.

  • Page 49: 2824-500B Battery Box Internal Charger

    2830A THREE DIVER COMMUNICATOR USER MANUAL Reference Part Number Description 105-0602-001 JACK TIP RED 105-0603-001 JACK TIP BLACK ME161-2003 JACK PHONO W/NYL WSHRS NKL/BLK 14002B 5-WAY BINDING POST (BLACK) 14002R 5-WAY BINDING POST (RED) SA818 SPEAKER8 OHM 15 WATT P16NP-10K POTENTIOMETER 10K OHM W/KNOB 1/4-20X1.25HSBHC SCREW 1/4-20 X 1.25IN LONG S/S...

  • Page 50: Optional Spares

    2830A THREE DIVER COMMUNICATOR USER MANUAL Reference Part Number Description Quantity 1498-102 JACK BANANA RED 1498-107 JACK BANANA YELLOW 1498-103 JACK BANANA BLACK 14002B 5-WAY BINDING POST (BLACK) 14002R 5-WAY BINDING POST (RED) 0034.6019 FUSE 3.15A/250V MICRO QUICK 0034.6617 FUSE 1.6A/250V SLOW LEDHOLDER-BLK.25 MOUNTING CLIP FOR 5MM LED LT2462-24-D51...

This manual is also suitable for:

Amcom iii 2830a/24Amcom iii 2830a/24-ms

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