OTS Aquacom MK2-DCI User Manual

User’s Guide

“Technology in Depth”

Two- or One-Diver Intercom

AQUACOM MK2-DCI

®

Undersea Systems International, Inc.

dba

Ocean Technology Systems

- NOTICE -

This manual and the information contained herein are provided for the use as a
maintenance and operation guide. No license or rights to manufacture, preproduce,
and/or sell either the manual or articles described herein are given. Undersea Sys­tems International, Inc., dba Ocean Technology Systems, reserves the right to
change specifications without notice. We recommend that all users read and fully
understand this manual before using MK2-DCI.

All statements, technical information, and recommendations herein are based on
tests we believe to be reliable, but the accuracy or completeness thereof is not
guaranteed. The following is made in lieu of all warranties, expressed or implied,
including the implied warranties of merchantability and fitness for purpose: Seller’s
and Manufacturer’s only obligation shall be to replace such quantity of the prod­uct proved to be defective. Before using, user shall determine the suitability of the
product for intended use, and user assumes all risk and liability whatsoever in
connection therewith. Neither Seller nor Manufacturer shall be liable either in tort
or in contract for any loss or damage—direct, incidental, or consequential—aris­ing from the use of or the inability to use the product. No statement or recommen­dation not contained herein shall have any force or effect unless in an agreement

signed by officers of the Seller and Manufacturer.

- IMPORTANT SAFETY NOTICE -

(Please read before using product.)

It is absolutely essential that all divers are properly trained and equipped
and fully understand the owner’s manual before attempting to use the
Aquacom® MK2-DCI.

While Aquacom® MK2-DCI provides divers with good underwater commu­nications, it does not change or eliminate the potential hazards of diving!

Do not attempt to charge batteries before reading the battery charging in­structions in Section 4. Without following proper procedures, damage to the
MK2-DCI, an explosion, and/or injury may occur.

PN 506049-000 Rev. F

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© Copyright 2001 by Ocean Technology Systems. All rights reserved.

Specifications are subject to change without prior notice.

Refer to the Library page of our Web site, www.otscomm.com,
for a list of any changes made to this manual since its publication.

TABLE OF CONTENTS

Section 1:Introduction ............................................................. 1

Section 2:Specifications .......................................................... 2

Section 3:Operating Instructions ............................................. 3

3.1 System Components ........................................ 3

3.2 Two-Wire Mode ............................................... 4

3.3 Four-Wire Mode .............................................. 5

Section 4:Batteries .................................................................. 7

Section 5:Helpful Hints ......................................................... 10

Limited Warranty ................................................................... 13

Illustrations

Figure 1. MK2-DCI Two-Diver Air Intercom ......................... 4

Figure 2. Two-Wire Mode ....................................................... 6

Figure 3. Four-Wire Mode ....................................................... 6

Figure 4. Battery Setup ............................................................ 8

Figure 5. Battery PC Board...................................................... 8

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SECTION 1: INTRODUCTION

Congratulations! You have just purchased the finest, state-of-the-art hard-wire in­tercom in the world. Your new MK2-DCI Two- or One-Diver Air Intercom repre­sents state-of-the-art technology and innovation—the choice of discriminating divers
throughout the world. Please take the time to read this owner’s manual. With proper
care and use, your Ocean Technology Systems product will provide you with the
ultimate in high-quality communications and reliability.

The MK2-DCI is a compact, self-contained Two- or One-Diver Air Intercom pro­viding clear communications between the operator and diver(s). The MK2-DCI
offers two- or four-wire communications.

This manual will cover specifications, operating instructions, two-wire or four­wire communications, batteries, helpful hints, and warranty information.

These guidelines and illustrations are presented to assist you. If you need addi­tional information, do not hesitate to confer with your local OTS dealer or repre­sentative. If you require service, contact Ocean Technology Systems:

Address: 3133 West Harvard Street, Santa Ana, California 92704 USA
Toll-Free: [phone]
Telephone: [phone]
Fax: [phone]
E-mail: [e-mail]
Web: http://www.otscomm.com

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SECTION 2: SPECIFICATIONS

Battery Life: 20 hours continuous use

Battery Type: Two 6-volt lantern batteries, recommended batter-

ies (Eveready Heavy-Duty Alkaline #528 or Duracell
Heavy-Duty Alkaline ID #9150) or an external 12­volt source; optional 6-volt rechargeable batteries.

Power Output: 20 watts

Frequency Response: 600 to 12,000 Hz

Cabinet Material: ABS plastic

Front Panel: 1/8” aluminum, chemically treated and coated with

a tough, durable, urethane finish to withstand the
marine environment.

Size: Height: 6-5/8” (16.8 cm)

Width: 16-3/8” (41.6 cm)
Depth: 8-3/8” (21.3 cm)

Weight: 14.0 lbs.

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