Sea Tel DTV04, Installation And Operation Manual

Page 1: ...23 80 671166 Email seatel cobham com Web www cobham com seatel Sea Tel Inc doing business as Cobham SATCOM April 23 2009 Document No 130099 Revision A INSTALLATION AND OPERATION MANUAL FOR SEA TEL MODEL DTV04 HD 5LNB TVRO ANTENNA WARNING Antenna Pedestal must be properly restrained stowed to prevent damage to wire rope isolators isolator springs and or antenna pedestal mechanism during underway co...

Page 2: ...omplies with the requirements of European Norms and European Standards EN 60945 1997 and prETS 300 339 1998 03 Sea Tel European Union Declaration of Conformity for this equipment is contained in this manual Copyright Notice All Rights Reserved The information contained in this document is proprietary to Sea Tel Inc This document may not be reproduced or distributed in any form without the consent ...

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Page 4: ...iv Revision History REV ECO Date Description By A N A April 23 2009 Initial Release ECM ...

Page 5: ...ization 3 3 3 2 ANTENNA BASICS 3 3 3 2 1 Azimuth 3 3 3 2 2 Elevation 3 3 3 2 3 Antenna Reflector Feed Assembly 3 4 3 2 4 Stabilization 3 4 3 2 5 Search Pattern 3 4 3 2 6 Tracking Receiver Satellite Identification Receiver 3 4 3 2 7 Tracking 3 5 3 2 8 Unwrap 3 5 3 3 COMPONENTS OF THE SYSTEM CONFIGURATION 3 6 3 3 1 Antenna ADE Assembly 3 7 3 3 2 Antenna Control Unit 3 7 3 3 3 Power Supply 3 8 3 3 4 ...

Page 6: ...ANCE 7 1 7 1 WARRANTY INFORMATION 7 1 7 2 RECOMMENDED PREVENTIVE MAINTENANCE 7 1 7 3 7 To Disable Enable DishScan 7 5 7 3 8 Satellite Reference Mode 7 5 7 3 9 To Read Decode an ACU Error Code 0008 Pedestal Error 7 6 7 1 MAINTENANCE 7 16 8 SPECIFICATIONS 7 18 8 1 INSTALLED WEIGHT 8 1 8 2 ANTENNA REFLECTOR FEED ASSEMBLY 8 1 8 3 RADOME ASSEMBLY 8 1 8 4 STABILIZED PEDESTAL ASSEMBLY 8 2 8 5 PEDESTAL CO...

Page 7: ...so as to be inherently reliable easy to maintain and simple to operate Except for start ups or when changing to operate with different transponders the equipment essentially permits unattended operation The DTV04 HD system consists of two major groups of equipment an above decks group and a below decks group Each group is comprised of the items shown and listed below All equipment comprising the A...

Page 8: ...r and one output for each installed satellite receivers 7 Customer furnished Satellite Video Receiver s Television s 8 Customer furnished Required Coaxial Serial Audio Video and AC Power Cables 1 2 General scope of this manual This manual describes the Sea Tel Model DTV04 HD Antenna also called the Above Decks Equipment its operation and installation The Below Decks Equipment is described in the m...

Page 9: ...ht to bring the top of the level cage to a level position in the left right direction This step also takes approximately 10 seconds Step 4 After the level cage is positioned in the left right direction verify the antenna moves CW up in azimuth to the upper stop where the Relative position of the antenna will be 700 0 degrees From this point on the encoder will increment and or decrement the Relati...

Page 10: ...raphic location and DIRECTV satellite 101 W To facilitate this need your antenna is equipped with a Reflector Skew motor and potentiometer feedback Other than initial calibration this function does not require any user intervention or adjustments Refer to the maintenance section of this manual for procedures to align and optimize this tilt angle while in Auto Pol mode 2 7 Low Noise Block Converter...

Page 11: ...he signal level is known to be adequate The most common of these normal temporary losses are blockage and rain fade They will normally interrupt services only as long as the cause of the loss persists Ku Band Frequency 3 1 2 The two satellites that your system will be tracking 99 W and 103 W operate in the18 3 to 20 2GHz range At these frequencies the signal from the satellite travels only in a st...

Page 12: ...atellites even while actively tracking 101ºW The graphic to the right depicts a vessel with its BOW oriented such that the two diesel Stacks at the vessels aft are situated so that they do not cause any physical blockage thus allowing full line of site to all 5 DIRECTV satellites Figure 3 System tracking with line of site to all 5 satellites The graphic to the right depicts a vessel with its BOW o...

Page 13: ... three joints move to keep the dish pointed at the satellite The following information is provided to explain some of the basic functions of the antenna 3 2 1 The clockwise or counter clockwise rotation of the antenna is called Azimuth rotation The antenna can rotate a total of 680 degrees between two mechanical stops Azimuth drive provided by the azimuth motor is required during stabilization sea...

Page 14: ...reprogrammed time delay will automatically initiate a search to re acquire the desired signal Search Pattern The search is conducted with alternate azimuth and elevation movements The size and direction of the movements are increased and reversed every other time resulting in an expanding square pattern When the antenna finds the desired satellite signal the ACU will automatically stop searching a...

Page 15: ...n is within 3 degrees of either mechanical stop the antenna will be driven 360 degrees away from that stop This Unwraps unwinds the cables that are routed through the pedestal assembly so that they do not become too severely twisted It also repositions the antenna to a point which is closer to the middle of its mechanical stops UNWRAP should occur when the Relative position of the antenna is at 02...

Page 16: ...nfiguration for further detail Figure 3 8 DTV04 HD Simplified Block Diagram The DTV04 04 Antenna system is comprised of two major sections The Above Decks Equipment ADE is comprised solely of the DTV04 HD antenna radome assembly which is mounted outside on the boats upper deck or mast location The Below Decks Equipment BDE includes the Antenna Control Unit may include the optional Touch Screen Con...

Page 17: ...NB The Fifth coax installed is intended as a spare 3 3 2 The Antenna Control Unit allows the operator to control and monitor the antenna pedestal with dedicated function buttons LED s and a 2 line display The ACU and its Terminal Mounting Strip are normally mounted in a standard 19 equipment rack The ACU should be mounted in the front of the equipment rack where it is easily accessible The Termina...

Page 18: ...ceiver Your television monitor must be able to display the video standard outputted from the satellite receiver Consult your Television Monitor manual for specifics Television Monitor 3 3 6 The DTV04 HD Antenna system requires a Multiswitch which is compatible with the DIRECTV Slimline 5 LNB Feed assembly This Matrix Switch routes the satellite signal from one of the IF cables to one of your recei...

Page 19: ... of the hardware Loctite Description 222 Low strength for small fasteners 243 Medium strength oil tolerant 262 Permanent strength for up to diameter fasteners 271 Permanent strength for up to 1 diameter fasteners 290 Wicking High strength for fasteners which are already assembled 4 2 Site Survey The site survey is performed to decide where the best location for the equipment to be installed is The...

Page 20: ... specifications and drawings for the fully assembled weight of your model Antenna Radome and assure that equipment used to lift hoist this system is rated accordingly CAUTION The antenna radome assembly is very light for its size and is subject to large swaying motions if hoisted under windy conditions Always ensure that tag lines attached to the radome base frame are attended while the antenna as...

Page 21: ...When pulling the cables in place avoid sharp bends kinking and the use of excessive force After placement seal the deck penetration gland and tie the cables securely in place 4 6 1 The coax cables must be inserted through the cable strain relief s at the base of the radome Apply RTV to the strain relief joints and tighten the compression fittings to make them watertight The cables are color coded ...

Page 22: ...Installation DTV04 HD TVRO Antenna 4 4 This Page Intentionally Left Blank ...

Page 23: ...hows the factory default parameters for the DAC 2202 interfaced to a DTV04 HD Antenna When the installation setup of your system is finished you should record the optimized settings for your system in the My Parameters column Refer to the Setup Flow Charts and individual parameter setting information in the Setup section of your DAC 2202 manual for how to enter change the parameters The Factory De...

Page 24: ...yngsat com and SatcoDX Volt _________________________________________________ This value is determined by received downlink frequency polarization type Options are LHCP Left Hand Circular Polarization 18Vdc output receiver voltage if enabled RHCP Right Hand Circular Polarization 13Vdc output receiver voltage if enabled FEC _________________________________________________ This value is the receive...

Page 25: ...__________ 15 Press the ENTER arrow key to move down in receiver selection to FEC ______________ 16 Use the LEFT arrow key to select parameter and use the UP DOWN arrow keys to change Forward Error Correction value to the FEC recorded above ________________________ 17 Press the ENTER arrow key to submit to RAM __________________________________ 18 Press the ENTER arrow key to move down in receiver...

Page 26: ...rim value of 0038 If the On Sat Az value is greater than the calculated Az value 34 Subtract Calculated AZ value recorded in Step 25 from Calculated Az value recorded in step 30 multiply by a negative10 and record the required AZ TRIM parameter______ _________________ Example Calculated AZ 180 0 On Sat AZ 186 2 186 2 180 0 10 0062 for an Az Trim value of 0038 35 Calculate the required EL TRIM para...

Page 27: ..._____________ 2 Using the satellite receiver record the signal strength for satellite 101ºW ___________________ 3 Access the POL OFFSET parameter in the DAC2202 and either increment or decrement the current displayed value as required to achieve maximum receive signal strength for an odd transponder on satellite 119ºW _____________________________________________________ 4 Using the satellite rece...

Page 28: ... 47 89 San Diego 32 44ºN 117 1ºW 151 7 48 4 89 Major Cities Gulf Coast West to East Brownsville 25 54ºN 97 26ºW 188 6 59 9 117 Corpus Christi 27 46ºN 97 3ºW 188 57 7 116 Houston 29 59ºN 95 22ºW 191 6 54 9 119 New Orleans 29 59ºN 90 15ºW 201 2 53 5 126 Biloxi 30 25ºN 88 55ºW 203 7 52 2 128 Mobile 30 41ºN 88 15ºW 204 3 51 9 128 Tampa 27 58ºN 82 32ºW 216 1 51 7 138 Fort Myers 26 35ºN 81 52ºW 218 6 52...

Page 29: ...hester 43 7Nº 77 4ºW 212 3 34 3 130 Buffalo 42 56ºN 78 44ºW 211 6 35 8 130 Cleveland 41 24ºN 81 51ºW 240 6 21 1 129 Detroit 42 25ºN 83 1ºW 205 7 37 9 127 Chicago 41 47ºN 87 45ºW 200 40 1 123 Green Bay 44 29ºN 88 8ºW 197 2 37 5 121 Duluth 46 5ºN 92 11ºW 192 2 35 8 117 My Favorite Ports City Latitude Longitude Azimuth Elevation Reflector Skew ...

Page 30: ...Setup DTV04 HD TVRO Antenna 5 8 THIS PAGE INTENTIONNALY LEFT BLANK ...

Page 31: ...hip s position information If the GPS is not updating the ACU properly refer to the Troubleshooting Section of this manual 1 Press the NEXT key repeatedly to display the Ship menu Press ENTER to access edit mode and view the current Latitude value 2 Press the LEFT arrow key to bring the cursor up under the ones digit press UP and then hit ENTER The display should immediately show a latitude value ...

Page 32: ... takes to get back to peak 1 Press the NEXT arrow key until Antenna window is displayed 2 Press the ENTER arrow key to isolate AZ and AGC El and Rel not displayed 3 Press the TRACK key to toggle tracking to enable tracking 4 Time the amount of seconds it takes AGC value takes time to get back to peak as recorded in Step 1 If using DacRemP each time division equals 8 seconds Nominal time to get bac...

Page 33: ...a Tel dealer for the Sea Tel Limited Warranty to be valid and in force Should technical assistance be required to repair your system the first contact should be to the agent dealer you purchased the equipment from Please refer to the complete warranty information included with your system 7 2 Recommended Preventive Maintenance Ensure that all of the normal operating settings LAT LON HDG SAT and al...

Page 34: ...stal through full range of left right cross level rotation The antenna should rotate freely and easily with light finger pressure 5 Rotate the level cage through the full 90 degrees of rotation from CCW stop to CW stop 6 Inspect all drive belts for wear black dust on under the area of the belt 7 2 8 Check the balance of the antenna re balance as needed refer to the Balancing the Antenna procedure ...

Page 35: ... level cage to a level position in the for aft direction This step takes approximately 10 seconds and will result in the dish being at 45 degrees in elevation The level cage may still be tilted left or right at this time Step 3 After the level cage is positioned in the for aft direction verify the antenna moves left or right to bring the top of the level cage to a level position in the left right ...

Page 36: ...ors are the primary inputs to the PCU for stabilization Open Loop Rate Sensor Test To monitor the rate sensors select the REMOTE COMMAND window on the ACU Using the LEFT RIGHT and UP DOWN arrow keys set the Remote Command value to w0000 the w must be lower case and press ENTER Press ENTER key once more to display the REMOTE MONITOR window The lower display will show w and three 4 digit decimal num...

Page 37: ... errors will become large enough to cause the antenna to be mis pointed off satellite as the system compensates for what it assumes to be actual vessel movement Satellite Reference Mode will uncouple the gyro reference from the azimuth rate sensor control loop This decoupling of the Gyro source only happens 2 5 minutes after an azimuth command has been sent to the antenna by means of an AZ target ...

Page 38: ...tter REF AZ LV CL Description of Pedestal Error 0 0 0 0 None A 0 0 0 1 CL B 0 0 1 0 LV C 0 0 1 1 CL LV D 0 1 0 0 AZ E 0 1 0 1 AZ CL F 0 1 1 0 AZ LV G 0 1 1 1 AZ LV CL H 1 0 0 0 Ref I 1 0 0 1 Ref CL J 1 0 1 0 Ref LV K 1 0 1 1 Ref LV CL L 1 1 0 0 Ref AZ M 1 1 0 1 Ref AZ CL N 1 1 1 0 Ref AZ LV O 1 1 1 1 Ref AZ LV CL P 0 0 0 0 Stab Limit Q 0 0 0 1 Stab Limit CL R 0 0 1 0 Stab Limit LV S 0 0 1 1 Stab L...

Page 39: ... GPS LAT LON Position Select the REMOTE COMMAND window on the ACU and Press the LEFT arrow key to bring up the cursor and move it to the left until the current symbol in front of the 0000 is underscored Increment or decrement the symbol using the UP DOWN arrow keys until the character followed by four zeros is displayed Press the ENTER key to send the command to the PCU Press ENTER or the DOWN arr...

Page 40: ... system maintain the satellite link after turning off TRACKING Tracking Functional Test s is the process of issuing fine adjustments to the pointing angle of the antenna to optimize the received signal level and is controlled by the ACU Does the system pass a four quadrant tracking test DacRemP Graph Selection to use System Function s Four Quadrant Tracking ADMC Position Tracking Azimuth Encoder V...

Page 41: ...esired position the PCU will flag a Stab Limit error Antenna Loop Error Monitoring To view the position error select the graph chart This chart displays sensed axis errors via three traces CL Cross Level LV Elevation and AZ Azimuth at a fixed 0 05º vertical division The normal trace average will plots it s display 3 divisions from the red reference line Any trace line average plotted above this is...

Page 42: ...rs select the graph chart This chart displays the output of the Tilt Sensor via two traces CL Cross Level LV Elevation at a fixed 1º vertical division and the home flag logic level via a single trace AZ Azimuth The normal trace display for the Tilt Sensor after performing remote tilt calibration will be 4 divisions from the red reference line Any trace line average plotted above this is of concern...

Page 43: ...he antenna is tilted forward EL down and increase plots above red line when tilted back EL up The Azimuth display for the Home Switch will normally display a logic level high plots directly on Red reference line after clicking on the button when the home flag is NOT engaged and changing to a logic level low when engaged See below for a screen capture of an antenna that was driven so that the Home ...

Page 44: ...otion in any axis The Cross Level display should decrease plots below red line as the antenna is tilted to the left and increase plots above red line as the antenna tilted to the right The Level display should decrease plots below red line as the antenna is tilted forward and increase plots above red line as the antenna is tilted back The Azimuth display should decrease plots below red line as the...

Page 45: ...nditions and with DishScan Drive turned off See example below The Cross Level display will decrease plots below red line as the antenna requires drive to the left and increase plots above red line as the antenna requires to the right Example The antenna pictured in the screen capture below is imbalanced so that it is Right Heavy The CL trace is plotting above the red reference line indicating that...

Page 46: ...motor driver may be established To manually drive the motors select the Comm Diagnostics window under to the Tools submenu or Press CTRL C Open Loop Motor Test Using the small field in the upper left hand corner of the window type in the remote command and verify the motor appropriately drives in the direction commanded To drive the Cross Level motor key in 1064 1128 or 1192 and press ENTER to dri...

Page 47: ...ate the Azimuth Elevation Cross level and Polarity pointing angles of the desired satellite The DacRemP Comm Diagnostics Window provides a means to query the GPS antenna to verify proper operation The procedure below describes this process Remote GPS LAT LON Position Select the Comm Diagnostics window under to the Tools submenu or Press CTRL C Left mouse click on the icon Left Mouse click on the P...

Page 48: ...axes wait for 30 seconds then press the ENTER key Press ENTER to step the menu to REMOTE PARAMETERS Press the LEFT arrow key and then press the ENTER key to save the settings in the PCU This saves the new tilt bias settings in the PCU Reset or re initialize the antenna to verify that the Level cage is properly level with the new settings 7 1 2 The antenna and equipment frame is balanced at the fac...

Page 49: ...must be re configured to operate with the pedestal it is installed on The default configuration for the PCU is model xx04 In this configuration the Level Cage will drive normally but the PCU will not drive any of the three torque motors to prevent damage to the unknown pedestal 7 2 1 Select the REMOTE COMMAND window on the ACU To configure the PCU 1 Using the LEFT RIGHT and UP DOWN arrow keys set ...

Page 50: ...Troubleshooting and Maintenance DTV04 HD TVRO Antenna 7 18 THIS PAGE INTENTIONNALY LEFT BLANK ...

Page 51: ...iameter 32 5 inches Antenna Gain 12 GHz xx dB typical Minimum EIRP xxdB Type Hydro formed Aluminum reflector Feed Slimline AU9 Ku Ka band 5 LNB 4 stacked outputs Polarization Circular Reflector Skew Tilt Remotely skewed adjustment using 24 volt DC motor with potentiometer feedback 8 3 Radome Assembly Diameter 51 75 inches 131 3 cm Height 59 inches 149 9 cm MAX Type Material Rigid fiberglass dome W...

Page 52: ...t 8 12 sec periods Pitch 10 degrees at 6 12 sec periods Yaw 8 degrees at 15 to 20 sec periods Turning rate Up to 12 deg sec and 15 deg sec sec Headway Up to 50 knots Mounting height Up to 150 feet Heave 0 5G Surge 0 2G Sway 0 2G Maximum ship motion Roll 25 degrees w 6 sec periods Pitch 15 degrees w 6 sec periods Yaw 8 degrees w 6 sec periods Tangential Acceleration 0 5 g Surge Sway Heave 0 2 g Tur...

Page 53: ...ax Cables 8 7 1 5 Coax cables are required for your antenna system It is also recommended that a 6th cable be installed as a spare Due to the dB losses across the length of the RF coaxes at L Band Sea Tel recommends the following 75 ohm coax cable types and their equivalent conductor size for our standard pedestal installations Antenna L Band TVRO IF Coax Cables Customer Furnished Run Length Coax ...

Page 54: ...Specifications DTV04 HD TVRO Antenna 8 4 This Page Intentionally Left Blank ...

Page 55: ...ings are organized into two groups 9 1 Model DTV04 HD Specific Drawings Drawing Title 121987_D System Block Diagram 9 3 129471 1_A General Assembly DIRECT TV 5LNB 9 6 129472 1_A Antenna Assembly DIRECT TV 5LNB 9 8 122970 1_F1 Radome Assembly 48 w lip 9 10 122663_B4 Radome Installation Arrangement 9 13 9 2 Model DTV04 HD General Drawings Drawing Title 121986_B1 Schematic Antenna RF System xx04 9 14...

Page 56: ...Drawings DTV04 HD TVRO Antenna 9 2 This Page Intentionally Left Blank ...

Page 57: ...H DAC 2202 DVB RCVR COAX IF 15 1 EA 129500 A1 TOUCH SCREEN ASS Y TSC 10A 16 1 EA 121485 1 F HARNESS ASS Y REFLECTOR 17 1 EA 122223 5 E3 HARNESS ASS Y PEDESTAL REFERENCE 18 1 EA 122224 2 A1 HARNESS ASS Y INTERFACE DBS04 19 1 EA 122225 2 F1 HARNESS ASS Y PEDESTAL 3BLDC DBS04 20 1 EA 122370 C2 HARNESS ASS Y BASE SPINDLE DBS04 21 4 EA 122372 CABLE ASS Y RG 179 COLOR CODED RE SEE DASH 22 5 EA 113480 CA...

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Page 59: ...E WEIGHT KIT DTV04 HD 4 1 EA 121655 5 D LABELS INSTALLATION DTV04 HD 50 4 EA 114593 162 SCREW SOCKET HD 10 32 x 3 8 S S 51 4 EA 114586 541 SCREW HEX HD 1 4 20 x 1 1 2 S S 52 4 EA 119952 029 A1 WASHER STAR INTERNAL TOOTH 1 4 IN 53 4 EA 114580 029 WASHER FLAT 1 4 S S 54 4 EA 114583 029 NUT HEX 1 4 20 S S 1 SHT 1 OF GENERAL ASS Y DTV04 HD PROD FAMILY SERIES 04 EFF DATE 4 23 2009 DRAWING NUMBER 129471...

Page 60: ... NOTES IN NUMERICAL ORDER KRB A DTV04 HD INTERPRET TOLERANCING PER ASME Y14 5M 1994 D C B A A B C D 1 2 3 4 5 6 7 8 8 7 6 5 4 3 2 BY UNLESS OTHERWISE SPECIFIED PROJECTION FINISH 1 3rd ANGLE DIMENSIONS ARE IN INCHES DRAWN BY APPROVED BY TITLE FIRST USED SIZE SCALE SHEET NUMBER DRAWING NUMBER REV B NR 12 24 08 1 8 129471 A DTV04 HD N A N A 1 OF 1 APPROVED DATE MATERIAL DESCRIPTION DATE ECO DRAWN DAT...

Page 61: ...TIFFENER PLATE DTV04 HD 4 1 EA 129413 A POLANG ASS Y DTV04 HD 50 4 EA 114586 534 SCREW HEX HD 1 4 20 x 3 8 S S 51 7 EA 114586 537 SCREW HEX HD 1 4 20 x 3 4 S S 52 2 EA 114593 209 SCREW SOCKET HD 1 4 20 x 1 S S 57 12 EA 114580 029 WASHER FLAT 1 4 S S 59 3 EA 114583 029 NUT HEX 1 4 20 S S 1 SHT 1 OF ANTENNA ASS Y 5 LNB DTV04 HD PROD FAMILY COMMON EFF DATE 4 23 2009 DRAWING NUMBER 129472 1 REV A ...

Page 62: ...AIL A 57 4X 50 ANTENNA ASS Y 5 LNB REVISION HISTORY REV ECO DATE DESCRIPTION BY DTV04 HD INTERPRET TOLERANCING PER ASME Y14 5M 1994 D C B A A B C D 1 2 3 4 5 6 7 8 APPROVED DATE PROJECTION FINISH MATERIAL 8 7 6 5 4 3 2 1 3rd ANGLE DIMENSIONS ARE IN INCHES DRAWN BY APPROVED BY TITLE FIRST USED SIZE SCALE SHEET NUMBER DRAWING NUMBER REV B NR 11 26 08 A UNLESS OTHERWISE SPECIFIED 129472 DRAWN DATE 1 ...

Page 63: ... 11 1 EA 109783 2 WRENCH L 14 1 EA 123549 F KIT RADOME HARDWARE MOUNTING 50 2 EA 114588 148 SCREW PAN HD PHIL 6 32 x 1 2 S S 51 12 EA 114580 007 WASHER FLAT 6 S S 52 6 EA 114583 007 NUT HEX 6 32 S S 53 1 EA 114588 196 SCREW PAN HD PHIL 8 32 x 5 8 S S 54 2 EA 114580 009 WASHER FLAT 8 S S 55 1 EA 114583 009 NUT HEX 8 32 S S 56 12 EA 114586 540 SCREW HEX HD 1 4 20 x 1 1 4 S S 57 24 EA 123665 416 WASH...

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