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Table of Contents
Summary of Contents for OTS MK-7 BUDDY-LINE
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Page 1: User Guide
MK-7 BUDDY-LINE Two-Diver Intercom User Guide “Technology in Depth”... - Page 2 Undersea Systems International, Inc., dba Ocean Technology Systems hereinafter referred to as OTS, reserves the right to change specifications without notice. It is recommended that all users read and fully understand this manual before using the MK-7 Buddy-Line.
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Page 3: Table Of Contents
Please take the time to read this user guide. With proper care and use, your OTS product will provide you with the ultimate in high-quality communications and reliability. -
Page 4: Specifications
SECTION 2 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 Battery Life: 12 hours (normal use) using eight AA alkaline batteries Housing: Injection-molded, high-impact plastic Size:... -
Page 5: Functions & Features
FUNCTIONS & FEATURES FUNCTIONS The MK-7 Buddy-Line hard-wire system utilizes the “four-wire” approach. It is a closed loop comparable to a telephone system. A typical hard-wire system consists of a surface intercom, a headset with a boom microphone, a ComRope (set up for... -
Page 6: Features
Note: The ComRope can be set up for many types of diving masks and/or earphone-microphone assemblies. If you are not sure what to order, consult an OTS dealer or OTS directly for the configuration you require. 1. Headset with boom microphone 9. - Page 7 Ear-Microphone Assembly ComRope Assembly 17. Male Amp connector (ComRope) 18. ComRope Assembly 19. Hi-USE connector (goes to ComRope) ® 20. Hi-USE connector (goes to diving mask) ® 21. EMA-2 ear-microphone assembly for AGA FIGURE 2: ComRope & EMA-2 assemblies...
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Page 8: Operation
MK-7 and/or loss of communications. SETUP FOR THE DIVER(S) 4.2.1 Although the MK-7 Buddy-Line can be used with various full-face or mouth masks, the mask most commonly chosen is the Interspiro Divator MKII (“AGA”) full-face mask (FFM). The following are the setup procedures, if you have an AGA FFM. - Page 9 4.2.6. The tender should ensure the ComRope 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 electronics module. Carabiner Hand Hold 10 feet from...
- Page 10 The boom microphone should be positioned 1/4 inch from the tender’s lips (keep the microphone as dry as possible). The MK-7 Buddy-Line will power up the moment the headset and boom microphone are connected. There is no on/off switch. As long as the headset is plugged in, the MK-7 will be on and drawing power.
- Page 11 Table 1: Recommended Line-Pull Signals Source: U.S. Navy Diving Manual From Tender to Diver Searching Signals (Without Circling Line) “Are you all right?” When “Go on (or off) searching 1 Pull diver is descending, one pull 7 Pulls signals.” means “Stop.” “Going down.”...
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Page 12: Batteries
SECTION 5 BATTERIES An SCB-1 eight-cell AA battery pack (Fig. 1, #14, on p. 4) is provided with the MK-7 Buddy-Line and is located in the lower housing (Fig. 1, #16). The SCB-1 battery pack consists of an assembled SP-8 battery holder, foam spacer, and contact PCB. Install eight AA alkaline batteries into the SCB-1 battery pack as follows: 1. -
Page 13: Troubleshooting
SECTION 6 TROUBLESHOOTING Should you encounter a problem with the MK-7 Buddy Line, follow the remedies suggested in Table 2. Table 2: Problem, Probable Cause, and Remedy Problem Possible Cause Remedy Corrosion Failure to wash and Remove salt water residue or corrosion buildup on the lubricate connectors from the unit by wiping it with a cloth... -
Page 14: Maintenance
SECTION 7 MAINTENANCE The MK-7 Buddy-Line is virtually maintenance free and should give you great service during the life of the unit. The following are recommended service tasks: 1. Try to keep the headset with boom microphone as dry as possible. -
Page 15: Helpful Hints
SECTION 8 HELPFUL HINTS All training should be conducted in a controlled environment such as a swimming pool. All personnel who intend to use this system should read and fully understand this manual and equipment before they use it. Divers should be dressed in such a manner that they can disconnect quickly from the ComRope and/or earphone-microphone assembly. -
Page 16: Warranty Information
Technology Systems factory-trained service center or properly trained personnel. In no event shall Ocean Technology Systems be liable for consequential damages. You can now register your product online at the OTS Web site. Just visit http:// www.otscomm.com/register1.html. Undersea Systems International, Inc., Ocean Technology Systems 3133 W.