STX-101SBR - Ocean Technology Systems
Contents
1. 6 3 6 Transducer Installation 6 3 6 1 Electrical Connection of the 6 3 6 2 Transducer nie 7 Section d 8 AT 8 4 1 1 Power and Volume nenen ene nenen 8 4 1 2 Squelch Controls aga sapak aa anaa an Na Na 8 4 1 3 Channel anane na anaa eaaa 8 4 2 Reception a aa a sa osi aa aa 8 4 3 ines 9 44 Recording 9 4 5 Helpful Hints and 1 9 Section S Maintenance DG NGENE E En ag KKN 10 Section 6 Troubleshooting 11 Limited Warranty 13 SECTION 1 INTRODUCTION 1 1 GENERAL Congratulations You have purchased one of the finest state of the art underwater communication systems available The Aquacom STX 101SBR is a compact ultrasonic single sideband transceiver designed to provide through water com munications for a surface vessel or submarine with another vessel divers or a shore station The STX series employs digital signal processing techniques which ensure the highest performance possible The STX 101SBR is an ultrasonic through water communication system It must be operated using water as the transmission medium You will be a2. AQUACOM in SIX 101SER RACK MOUNT HIGH POWER SURFACE STATION Aer TECHNOLOGY IN DEPTH NOTICE This manual and the information contained herein are provided for use as a main tenance and operation guide No license or rights to manufacture produce 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 It is recommended that all users read and fully un derstand this manual before using the STX 101SBR statements technical information and recommendations herein are on tests we believe to be reliable but the accuracy or completeness thereof is not guar anteed and 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 the user shall determine the suitability of the product for intended use and the 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 recommenda tion not
3. you will use Follow these wiring instructions a proper connection is critical for the unit to function 1 Connect the white leads together Connect the black leads and the shield together at the splice between the transducer cable and the cable with the MS connector 3 For the MS connections pins A and B are shorted together and connected to the black leads and shield of the transducer cable The other white cable lead is connected to pins E and F Pins E and F also are shorted together The following is a summary of the wiring connections Transducer signal on MS Connector on pins E amp F Transducer signal return shield on MS Connector on pin B 3 6 2 TRANSDUCER PLACEMENT Mounting holes are provided on the 6 transducer Figure 2 for securing it to one or more brackets that you can fabricate to your required specifications the bracket materials and all hardware should be type 304 or 316 stainless steel to prevent salt water corrosion The holes contain the bolts for securing the transducer cage to your bracket if longer bolts are needed to accommodate the bracket thickness substitute bolts stainless streel type 304 or 316 long enough to secure the bracket to the transducer base plate but not so long as to bottom out on the base plate Note If the transducer is supplied with urethane covering the holes carefully remove the urethane with an adequate tool Suggestions for placement of the transducer are provided in Figu
4. POWER INDICATOR This green LED indicator lights up when the unit s power is on POWER CONNECTOR A 2 conductor military style MS receptacle for 24 volts DC power input at a minimum of 10 amps REMOTE SPEAKER CONNECTOR A 4 conductor military style MS receptacle for an external remote speaker RECORD OUT CONNECTOR A 3 conductor military style MS receptacle for connecting a recording device It supplies line level signal output TRANSDUCER CONNECTOR A 6 conductor military style MS receptacle for the transducer model no TA 8STX101SBR or TA 25STX101SBR 3 HIDNGSNYHL 1NO HIMVIdS SLOWSY LASAVIFH JIN B Rear panel A Front panel Figure 1 3 INSTALLATION Installation of the STX 101SBR is a fairly simple process The installation steps for the transducer may vary according to the setup of your communications system so adapt the transducer installation instructions provided here as necessary 3 1 MECHANICAL INSTALLATION Install the communications unit into a rack of standard width 19 inches for elec tronic equipment Use four 1 0 32 1 2 inch panhead machine screws not supplied to secure the unit s mounting bracket Fig 1 1 to the rack 3 2 POWER INPUT CONNECTION The power required for the STX 101SBR is 24 volts direct current at
5. contained herein shall have any force or effect unless it is 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 operators are properly trained and equipped and fully understand this user s manual before attempting to use the Aqua com STX 101SBR While the STX 101SBR provides good underwater communications it does not change or eliminate the potential hazards of diving 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 Copyright 2010 by Undersea Systems International Inc dba Ocean Technology Systems All rights reserved Specifications subject to change without prior notice 1 506113 000 TABLE OF CONTENTS Section 1 Introduction 1 ll 1 12 ni ME KA NE NAN 1 1 3 Specifications 2 Section 2 Functions raka senen Pa 3 Section 3 Installation 5 3 1 Mechanical nona e nen n ene anana 5 3 2 Power Input Connection asasine nan dege aaa ang Pen Kae kan aaa 5 3 3 Microphone or Headset Connection 5 34 Remote Speaker 5 3 5 Record Out
6. 1 10 11 12 13 14 15 MOUNTING BRACKET One of two brackets for mounting the unit into a rack The brackets include holes for securing the unit with hardware ON OFF AND VOLUME SWITCH This switch is used to turn on and off the unit s power and to adjust the listening volume from the front panel speaker a remote speaker or a headset SQUELCH CONTROL The squelch control helps to suppress background noise created by sea creatures e g snapping shrimp and croakers and human activity e g boat engines SPEAKER SWITCH This toggle switch is used to turn the front panel speaker on and off SPEAKER The heavy duty front panel speaker CHANNEL SWITCH The channel selection toggle switch is used to select the channel used for transmission and reception Two channels are available A and the frequencies depend the product version you have purchased see operating channels in Section 1 3 Specifications MICROPHONE HOLDER A clip used to secure the hand held microphone when not in use MICROPHONE HEADSET CONNECTOR A 6 conductor military style MS receptacle for a hand held microphone model number HHM STX 101 SBR included with the communications unit or headset with boom micro phone model number THB STX 101SBR optional and sold separately HANDLE One of two front panel handles for easily moving the unit TRANSMIT INDICATOR This red LED indicator lights up when the unit is transmitting
7. 10 amperes applied through the power jack Fig 1 12 The unit will draw approximately 8 amperes peak during transmission The mating male connector for the external power connection is a supplied 2 pin military style connector standard industry part number MS3106F14S 9P Replacement connectors can be ordered from OTS as part number 211021 000 The power input connections are as follows 24 volt positive input on MS Connector on pin 24 volt negative input on MS Connector on pin 3 3 MICROPHONE OR HEADSET CONNECTION With the STX 101SBR is provided the HHM STX 101SBR hand held noise cancelling microphone for sound transmission Also available sold separately 1s the THB STX 101SBR headset a high quality dual ear headset for hearing received communications with reduced interference from surrounding sounds The headset also has a boom microphone for transmission of voice communications Simply connect the hand held microphone HHM STX 101SBR provided or the THB STX 101SBR headset sold separately to the unit s mic headset jack Fig 1 8 and it is ready for operation 3 4 REMOTE SPEAKER CONNECTION If you will be using a remote speaker you will need to use a 4 pin male military style connector standard industry part number MS3106A14S 2P is supplied with the STX 101SBR for your convenience Replacement connectors can be ordered A low power version is available on request with a 14 7 volt 10 amp po
8. ack mount Portable Power source 24 external 12 internal battery or external 1 3 SPECIFICATIONS Transmitter output power nominal Audio output to speaker Modulation Operating channels Power Transducer Receiver sensitivity Automatic Gain Control AGC Transmitter speech freq bandwidth Activation on off Volume Squelch Microphone Microphone headset jack Record output jack Housing Housing dimensions 8 11 KHz version 70 watts PEP 25 33 KHz version 70 watts PEP 6 watts Single sideband with no carrier Low frequency version Ch A 8 0875 KHz USB NATO Ch B 11 KHz LSB High frequency version Ch A 25 KHz USB Ch B 32 768 KHz USB 24 volts DC at a minimum of 10 amps Piezoelectric type oil filled 120 dBv for 10 dB S N Greater than 120 dBv 300 3500 Hz Volume switch on front panel User adjustable from the front panel User adjustable from the front panel Hand held dynamic 100 to 1000 ohm impedance 6 pin MS connector on front panel 3 pin military style MS connector line level 19 inch rack mount enclosure Height 3 49 inches Width 18 3 inches between centers of mounting holes 16 7 inches case width Depth 8 00 inches mounting brackets 1 Custom frequencies can also be ordered Contact OTS or your local dealer 2 USB is upper sideband LSB is lower sideband SECTION 2 FUNCTIONS See Figure 1 throughout
9. ble to communicate with all diver transceivers surface stations and other communications units on the same frequency and within range When you speak into the microphone your voice is sent out in an omnidirectional pattern via the transducer to the other transceivers The transducer is the antenna that both sends and receives signals For user friendly performance the STX 101SBR offers many useful features such as dual channels front panel squelch control a heavy duty panel speaker record out capability connection for a remote speaker simple rack installation and much more In all the STX 101SBR rack mount surface station is second to none 1 2 FEATURES The Aquacom STX 101SBR is equipped with two channels either 8 0875 KHz upper sideband USB Channel A and 11 KHz lower sideband LSB Ch B or 25 KHz USB Ch and 32 768 KHz USB Ch B depending on whether it is the low frequency or high frequency version It is a high power surface sta tion designed for through water wireless communication with other receivers or transceivers operating at the same frequency External 24 volt DC power is applied through a 2 pin military style MS connector The system includes a high quality hand held microphone and an external transducer for transmission and reception The significant differences between the STX 101SBR and its sister product the STX 101SB are the following STX 101SBR STX 101SB Number of channels 2 1 Design R
10. e year from the time of purchase Our obligation under this warranty is limited to the replacement of any part or parts that prove to our satisfaction to have been defective and that have not been misused or carelessly handled Labor is warranted for 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 Systems factory trained service center or properly trained personnel In no event shall Ocean Technology Systems be liable for consequential damages Ocean Technology Systems 3133 West Harvard Street Santa Ana CA 92704 USA Telephone 714 754 7848 Toll free 800 550 1984 e Fax 714 966 1639 ots otscomm com www otscomm com You can now register your product online at the OTS Web site Just visit http www otscomm com registerl html Copyright 2010 by Undersea Systems International Inc dba Ocean Technology Systems All rights reserved Specifications are subject to change without prior notice 13
11. ive strength of the communication signal and the background noises To listen to weak com munication signals set the squelch at a low level counterclockwise 4 3 TRANSMISSION When using the hand held noise cancelling microphone supplied the rubber stop rests on your upper lip If you are using the headset model THB STX 101SBR sold separately adjust the boom microphone so that it is close to your mouth within 1 4 inches is best To transmit voice communications press the push to talk PTT button on the microphone or headset and speak slowly clearly and directly into the micro phone While the STX 101SBR 1 transmitting received communications cannot be heard When you release the PTT button the unit will automatically change to the receive mode 4 4 RECORDING COMMUNICATIONS If you would like to record the communications connect the recording device per the instructions provided in Section 3 5 Record Out Connection Ensure the recorder is recording when the STX 101SBR is operated All sounds outputted to the speaker will be recorded at line level 4 5 HELPFUL HINTS AND TIPS These guidelines are provided to help you understand how best to use the STX 101SBR 1 Itis important to protect the transducer It consists of a fragile material that can break if sharply hit or impacted 2 When talking to divers keep in mind they have many things happening while underwater It is best to get the dive
12. nal output to the record out external speaker and headset lines A counter clockwise turn decreases the volume level and past the click stop turns off the unit s power 412 SQUELCH CONTROL To deactivate the squelch to hear all sounds within range rotate the squelch control Fig 1 3 completely counterclockwise This setting maximizes the reception range Clockwise rotation of the squelch control progressively eliminates background noise but also decreases the reception range 4 1 3 CHANNEL SELECTION Use this toggle switch Fig 1 6 to select between channels A and B for transmission and reception Fore information on the transmission frequencies of these two channels see Section 1 3 Specifica tions Note Custom frequencies can also be ordered Contact OTS or your local dealer 4 2 RECEPTION Turn on the unit s power and check to make sure the power indicator Fig 1 11 illuminates The unit will automatically be in receive mode Turn on the speaker Fig 1 4 and if necessary any external speaker you are using Adjust the volume to a comfortable listening level This level should be much lower if one is listening via the headset sold separately Select the channel that will be used by everyone communicating The STX 101SBR produces a stronger signal at Channel A than at Channel B so we recommend the use of Channel A whenever possible Adjust the squelch to the level that is appropriate based on the relat
13. r s attention before giving him a message e g Alpha Diver Alpha Diver this is Topside come in Alpha Diver The diver should then respond to inform you that he is listening e g Topside this is Alpha Diver go ahead 3 Speak slowly and in one brief continuous sentence Speaking in short sentences gives divers a chance to take a breath and still receive a clear message 4 Ifcommunicating with scuba divers it is good idea to have the divers repeat your messages back to ensure they understood what you said Also repeat what you heard the divers say to ensure everyone is communicating accurately 5 If this is the first time you or anyone on your team is using underwater com munications the team should get together to talk about the system Practice alternative communications to allow for the event the communications system fails to function Plan to use the second channel as a backup SECTION 5 MAINTENANCE Although the Aguacom STX 101SBR has rugged design it should be treated with care as with any quality electronic equipment To clean the unit wipe it free of dirt debris and water with a clean soft cloth Warm water with a small amount of nonabrasive soap is the recommended cleaning solution Do not saturate the cloth or sponge doing so may allow water to flow inside the case and cause damage To clean the hand held microphone use a mild soap solution and wipe it dry The transducer should be kep
14. re 3 If you are going to suspend the transducer into the water do not hang the weight of the transducer on the cable doing so would strain the cable Instead fabricate and attach brackets to the transducer tie a rope to the cable and configure the rope with a service loop to hold the transducer s weight see Figure 3A for our suggestion If instead you will secure the transducer onto a sub marine or other vessel fabricate a bracket similar to the one shown in Figure 3B but with a configura tion appropriate to your use using the bolt pattern illustrated in Figure 2 as a guide Table 1 Mounting Hole Configuration Fig 2 Transducer Model Holes Circle Diameter TA 8STX101SBR 6 2 875 TA 25STXIOISBR 3 1 50 Screw 1 4 20 type 304 or 316 stainless steel equally spaced on bolt circle per Table 1 B Mounted Figure 2 Example of transducer mounting Figure 3 Suggested trans hole pattern ducer configurations 4 OPERATION The STX 101SBR is designed to be easy to operate After you have properly in stalled the unit and transducer and made the connections described in this section you are ready to begin communications 4 1 ADJUSTMENTS 411 POWER AND VOLUME CONTROL The volume control knob Fig 1 2 also activates the unit s power by a clockwise tum past the click stop A further clockwise turn increases the volume level of the front panel speaker and the sig
15. t clean and free of oils The rubber boot should be freshwater rinsed after each use to remove salts and minerals TROUBLESHOOTING SECTION 6 The chart below provides common solutions to various problems you may encounter if the STX 101SBR stops functioning correctly If the problem cannot be solved using any of the possible solutions provided here or if you need more information about testing for any of the probable causes contact our service department toll free at 800 550 1984 ext 131 from 7 30AM to 4 00PM Pacific Standard Time or e mail ots otscomm com Problem No power No received signal No transmitted signal Cannot transmit or receive Distorted unintelligible speech Probable Cause Loose power connector Fuse is open Transducer cable damaged Defective transducer Misadjusted squelch control Damaged microphone Incorrect channel selected Transducer connector or cable damaged Incorrect channel selected 11 Solution Check power connec tion on rear panel Replace fuse Check transducer cable for damage re pair or replace Replace transducer Readjust squelch con trol Replace microphone Change channel Replace Change channel NOTES Undersea Systems International Inc dba Ocean Technology Systems LIMITED WARRANTY Ocean Technology Systems Aquacom STX 101SBR is fully warranted against defects in materials and workmanship for a period of on
16. wer supply Contact OTS or your local dealer 5 from Ocean Technology Systems as OTS part number 211020 000 The correct wiring configuration for the remote speaker connector 15 as follows Remote speaker signal on MS Connector on pin C Remote speaker return on MS Connector on pin B To use the remote speaker just plug the speaker connector into the remote speaker jack Fig 1 13 3 5 RECORD OUT CONNECTION If you wish to record the communications through a direct line connect the record cable via the supplied 3 pin male military style connector to the record out jack Fig 1 14 on the STX 101SBR unit The connector s standard industry part number is MS3106A14S 1P and replacements are available from OTS as part number 211015 000 The wiring connections for the plug are as follows Record out signal on MS Connector on pin A Record out signal return on MS Connector on pin B Plug the output plug of the record cable into the recorder s line in jack 3 6 TRANSDUCER INSTALLATION With the unit is provided a transducer assembly the TA 8STX101SBR for the 8 11 KHz version or the TA 25STX101SBR for the 25 33 KHz version with a 6 pin MS type plug for connection to the STX 101SBR Fig 1 15 3 6 1 ELECTRICAL CONNECTION OFTHE TRANSDUCER Ifthe trans ducer will be connected to a bulkhead penetrator or connector the MS connector must be removed from the transducer cable and the cable spliced to the connector
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