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Ocean Technology Systems MK-7 BUDDY-LINE, User Manual, Page: 5 / 20

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Ocean Technology Systems MK-7 BUDDY-LINE User Manual Download Page 5

SECTION 2

2.1  MK-7 BUDDY-LINE

®

 SPECIFICATIONS:

Input Voltage:

12 VDC.

Input Current:

600 mA peak.

Idle Current:

30 mA.

Frequency Response:

600 Hz to 10 kHz.

Microphone Type:

Dynamic

Power Output:

2 watts RMS.

Battery Type:

Eight AA Alkaline batteries (Alkaline only).

Battery Life:

12 hours using eight AA Alkaline batteries.

Battery Options:

RB-11 NiMH rechargeable battery pack. RC-16
battery charger (charging time: 14 hours).

Housing:

Injection-molded, high-impact plastic.

Size:

Height: 6.750” from bottom to top of connector
Width: 4.250” from latch to latch
Depth: 2.750” from front knob to rear buckle

Weight:

1.0 pounds, without batteries.

ComRope Length:

Up to 1200 feet.

ComRope:

Nylon, static Kernmantle rope specially de-
signed with two 18 awg and two 24 awg wires
manufactured in the center.  Breaking point ap-
proximately 5800 lbs. for the rope and 500 lbs.
for the communication wires.

2

Summary of Contents for MK-7 BUDDY-LINE

Page 1: ...Two Diver Intercom Technology in Depth User Guide MK 7 BUDDY LINE ...

Page 2: ...Before using the user shall determine the suitability of the product for intended use and the user assumes all risk and liability whatsoever in con nection therewith Neither Seller nor Manufacturer shall be liable either in tort or in contract for any loss or damage direct incidental or conse quential arising from the use of or the inability to use the product No statement or recommendation not co...

Page 3: ...nded Line Pull Signals 5 Figure 3 1 MK 7 Exploded view 7 Figure 3 2 Com Rope EMA 2 assemblies 7 Section 4 Operation 8 4 1 Setup for the Tender 8 4 2 Setup for the Diver s 8 Figure 4 1 Com Rope setup 9 Section 5 Batteries 12 Section 6 Troubleshooting 13 Section 7 Maintenance 15 Section 8 Helpful Hints 16 Important Safety Notes i 4 11 15 16 Warranty Information 17 ii ...

Page 4: ...ct self contained two diver air in tercom providing clear communications between the operator and diver s The MK 7 BUDDY LINE offers four wire round robin or open micro phone type communications This manual will cover Specifications Operating Instructions Four Wire Communications Batteries Helpful Hints and Warranty Information These guidelines and illustrations are presented to assist you If you ...

Page 5: ...1 NiMH rechargeable battery pack RC 16 battery charger charging time 14 hours Housing Injection molded high impact plastic Size Height 6 750 from bottom to top of connector Width 4 250 from latch to latch Depth 2 750 from front knob to rear buckle Weight 1 0 pounds without batteries ComRope Length Up to 1200 feet ComRope Nylon static Kernmantle rope specially de signed with two 18 awg and two 24 a...

Page 6: ...ce call Since you never cut off the diver while talking as is the case with a two wire system the four wire system provides the safer approach of the two configurations Due to the increased efficiency achieved with a four wire system duplex and its sim plicity of use the MK 7 is designed for four wire operation only The standard MK 7 configuration functions as follows After the system is powered u...

Page 7: ...NTROL OF THE COM ROPE THE PULL IS ON THE HARNESS NOT ON THE FULL FACE OR DIVE MASK THIS WILL ELIMINATE ACCIDENTAL REMOVAL OF THE DIVER S MASK ADDITIONALLY THE DIVERS SHOULD BE DRESSED OUT TO ALLOW A QUICK DISCONNECT FROM THE COM ROPE IF THE OCCASION ARISES WHERE A DIVER MUST FREE HIMSELF FROM THE COM ROPE IN THE EVENT DIVERS AND THE SURFACE TENDER LOSE VOICE COMMUNICATIONS BOTH SHOULD HAVE IN PLAC...

Page 8: ...v i D m o r F e n i L g n i l c r i C h t i W s l a n g i S g n i h c r a e S l l u P 1 e n o g n i d n e c s e d n e h W t h g i r l l a m a I e h t n o m a I r o p o t S s n a e m l l u p m o t t o b s l l u P 7 e m a S s l l u P 2 k c a l s e m e v i G r o r e w o L l l u P 1 e m a S s l l u P 3 k c a l s y m p u e k a T s l l u P 2 t h g i e w e h t m o r f y a w a e v o M s l l u P 4 p u e m ...

Page 9: ...sing large o ring 13 Battery snap 14 Eight cell battery holder SP 8 15 Stainless steel latch 16 Lower housing battery compartment 17 Male Com Rope Amp connector 18 Com Rope 19 Hi Use connector goes to Com Rope 20 Hi Use connector goes to diving mask 21 EMA 2 ear mic assembly for AGA See Figure 4 1 Page 8 22 Dual earphones of EMA 2 23 Hot Mic microphone element 24 Hi Use connector connects to EMA 2...

Page 10: ...EXPLODED VIEW OF MK 7 BUDDY LINE SYSTEM Figure 3 2 Com Rope EMA 2 assemblies Figure 3 1 MK 7 Buddy Line 7 ...

Page 11: ...ps 4 1 2 Connect the Amp connector located on the headset to the upper electronic module s Amp connector see Figure 1 3 6 4 1 3 Locate the Amp connector on the Com Rope and mate it to the Amp connector located on the top of the electronic module see Figure 1 8 and Figure 2 17 4 1 4 Secure the MK 7 to your belt or wherever is most comfortable by using the belt holder located on the back of the uppe...

Page 12: ...taped or tied about 4 feet from the Hi Use connector This D ring will be clipped onto the diver s harness or buoyancy compensator via a carabiner or some good quality quick disconnector This connec tion will help prevent the Com Rope from pulling on the diver s full face mask see Figure 4 1 9 Figure 4 1 the AGA full face mask The following are the set up procedures if you have an AGA full face mas...

Page 13: ...ons see notes on page 10 4 2 6 The tender should ensure the Com Rope on his end is also strain relieved in some manner This will prevent the diver or topside tender from pulling on the connections made on the MK 7 BUDDY LINE electronic module 4 2 7 After all connections are made you can test the system Have the diver s don the full face mask The tender will don the headset with boom microphone The...

Page 14: ...ORTANT SAFETY NOTE THE DIVER SHOULD BE DRESSED IN SUCH A MANNER THAT HE CAN DISCONNECT FROM THE COM ROPE AND DISCON NECT FROM THE EARPHONE MICROPHONE ASSEMBLY IF IT BECOMES NECESSARY TO MAKE AN EMERGENCY ASCENT AND THE DIVER HAS TO BREAK VOICE COMMUNICATIONS AND LINE PULLS CANNOT BE ESTABLISHED THE DIVER SHOULD SURFACE AND ESTABLISH COMMUNICATIONS AS SOON AS POSSIBLE SAFETY NOTE IT IS NOT RECOMMEN...

Page 15: ...ly connect the wire harness connector Figure 1 13 to the SP 8 battery holder Verify that both spring type connectors mate firmly and that you have not accidently bent the connectors 5 Verify that the o ring Figure 1 12 is in place lightly lubricated with a good grade silicone grease and that is it free of debris 6 Insert the SP 8 battery holder into the lower housing Carefully mate the upper and l...

Page 16: ...able pack PC Connectors are not properly connected or are damaged R Clean and check all connectors Replace damaged ones PC Headset with boom microphone is not plugged in R Connect headset unit should power up PC Diver s cannot hear topside but topside can hear divers R Check topside microphone and make sure the tender volume is turned on and the microphone is about 1 4 from the tender s lips PC Di...

Page 17: ...d Possible Cause and Remedy PC You are speaking too loudly into the microphone R Speak with more moderate volume slowly and distinctly PC Your volume controls are set at too high a level R Slowly adjust your volumes as to not overdrive the system 14 ...

Page 18: ...eshwater Warm water and a mild soap solution can be used Wipe it off with freshwater before drying 5 Disconnect all connectors when storing 6 Lightly lubricate the Hi Use connector with a good grade sili cone grease 7 If the MK 7 is not going to be used for a long period of time the batteries should be removed PLEASE NOTE ALTHOUGH THE MK 7 BUDDY LINE IS A RUGGEDLY CONSTRUCTED PIECE OF YOUR DIVING ...

Page 19: ...they do not become entangled G When a diver must enter the water by jumping into the water the following is the recommended procedure The diver should step up to the end of the pier or edge from which he is about to jump The Com Rope will be connected to the diver and the diver will be holding onto the hand loop he has made on the Com Rope The tender should lower enough slack so as to just touch t...

Page 20: ... one year from time of purchase The 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 Ocean Technology Sys tems factory trained service center or properly trained person nel In no event shall Ocean Technology Systems be liable for consequential damages Oc...

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