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SECTION 3: OPERATING INSTRUCTIONS

3.1

SYSTEM COMPONENTS

See Figure 1 for a panel description.

1)

Record Out:

Permits tender to record diving operations (Line level).

2)

Volume:

Tender-to-diver(s) volume control.

3)

Power ON:

Turns the power ON or OFF.

4)

Battery Level:

Color LEDs illuminate to alert tender to conditions of
batteries.

5)

Ext. Power:

A 12-volt, DC power source can be used.

6)

Push-to-talk:

Push button used in two-wire mode by tender to talk to
divers.

7)

Tender Headset:

Tender-worn earphones connect via banana plug connec-
tors.

8)

Mic. (RED):

Used for hand-held or boom mic. via banana plug con-
nector.

9)

Volume:

Diver #1 diver-to-tender volume control.

10)

Earphone:

Diver #1 earphone connection (banana or bare-wire style).

11)

Microphone:

Diver #1 microphone connection (banana or bare-wire
style).

12)

Volume:

Diver #1 tender-to-diver volume control.

13)

Microphone:

Diver #2 microphone connection (banana or bare-wire
style).

14)

Earphone:

Diver #2 microphone connection (banana or bare-wire
style).

15)

Handle:

Front panel handle (right & left side).

16)

Volume:

Diver #2 tender-to-diver volume control.

17)

Volume:

Diver #2 diver-to-tender volume control.

18)

Speaker:

Front-panel speaker.

19)

Thumb Screw:

One of four front panel screws (captive).

20)

Speaker:

Remote speaker output (speaker level).

21)

Volume:

Volume control for front panel speaker.

22)

Speaker:

Switch to turn the front panel speaker ON or OFF.

23)

Cross Talk:

Switch used to cross-talk Diver 1 to Diver 2 or vice versa.
Tender must hold the switch in the direction of the cross

3

Summary of Contents for Aquacom MK2-DCI

Page 1: ...User s Guide Technology in Depth Two or One Diver Intercom AQUACOM MK2 DCI...

Page 2: ...es 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 ari...

Page 3: ...s 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...

Page 4: ...contained Two or One Diver Air Intercom pro viding clear communications between the operator and diver s The MK2 DCI offers two or four wire communications This manual will cover specifications operat...

Page 5: ...kaline ID 9150 or an external 12 volt 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 chem...

Page 6: ...0 Earphone Diver 1 earphone connection banana or bare wire style 11 Microphone Diver 1 microphone connection banana or bare wire style 12 Volume Diver 1 tender to diver volume control 13 Microphone Di...

Page 7: ...e surface unit Fig 2 If a four wire cable is used two wires are normally twisted together for one side of the microphone binding post and the remaining two wires twisted together for the other microph...

Page 8: ...ender and up to five divers or any combination of recompression chambers or diving bells The four wire mode will give you optimum performance and intelli gibility by the MK2 DCI Using this method ever...

Page 9: ...6 Figure 2 Two Wire Mode Figure 3 Four Wire Mode...

Page 10: ...antern batteries springs facing toward battery PC board Fig 4 4 Verify that the batteries are secure on the bottom of the housing and the backs are being held by the back plate You will notice the bat...

Page 11: ...e rechargeable batteries We recommend that rechargeable batteries be used when external power is supplied The ex ternal source should provide a voltage greater than 12 but less than 15 volts It will r...

Page 12: ...the warning beeps will come every 15 seconds At this point the MK2 DCI will audibly start warning you of lower power with a beeping sound every 30 seconds When the voltage falls to about 7 volts the r...

Page 13: ...volume Most of the time when there is too much volume the diver will hear distortion and ask for more volume 4 Before diving operations always check the battery power level and replace or recharge th...

Page 14: ...n power switch board is turned on Defective CPU chip Replace CPU or replace board No diver voice Loose connection at Check connector ribbon lead connector clean or reconnect Board connectors Clean pin...

Page 15: ...mp Trace fault around record op amp and replace faulty part Replace board Weak output to divers Power amplifier Replace power and tender defective amplifier chip Defective component Trace part and rep...

Page 16: ...he complete unit and or part must be returned to our factory transportation charges prepaid We reserve the right to decline responsibility where repairs have been made or attempted by other than an Oc...

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