SGC Smartuner SG-230 Installation And Operation Manual
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SGC Smartuner SG-230 Installation And Operation Manual

Microprocessor controlled automatic antenna coupler
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Microprocessor Controlled Automatic Antenna Coupler
Installation and Operations Manual
Getting the most from every watt of HF-SSB Power

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Summary of Contents for SGC Smartuner SG-230

  • Page 1 SG-230 S m a r t u n e r ® Microprocessor Controlled Automatic Antenna Coupler Installation and Operations Manual Getting the most from every watt of HF-SSB Power...
  • Page 2 SGC emerge as a cutting edge player in the expanding world of HF-SSB. Actually, SGC was the first company to perfect and mass produce solid-state HF SSB radios, almost 30 years ago. Today, our focus is an ever higher level of HF SSB refinement and performance. All focused on creating HF SSB voice and...
  • Page 3 Smartuner for the first time. This unit will provide outstanding service if you follow the detailed recommendations within this manual. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425 746-6384 Tel: 425 746-6310 ©...

  • Page 4: Quick Start Guide

    To tune, speak normally, whistle or use CW. Tuning should be done at full power. Clicking is heard. When tuned, clicking stops and Black/White wire goes low. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425-746-6310 Nov2000 SGC, Inc.

  • Page 5: Table Of Contents

    4.3 Longwire Antenna ..................12 4.4 Backstay Antennas ..................12 4.5 Typical Installations ................... 12 4.5.1 Jeep installation ................12 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425-746-6310 Nov2000 SGC, Inc.
  • Page 6 5.3.3 Base Station Grounds..............31 5.4 Corrosion ..................... 32 5.5 Antenna Coupler Mounting ..............32 5.6 Antenna Connection .................. 32 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425-746-6310 Nov2000 SGC, Inc.
  • Page 7 11.1 Ground Faults ................... 48 11.2 Antenna Faults..................49 11.3 Transmitter Faults ..................50 11.4 A Final Pointer on Troubleshooting ............50 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425-746-6310 Nov2000 SGC, Inc.
  • Page 8 SMARTUNER MANUAL 12.0 Further Reading…………………………………………………………………51 SUBJECT INDEX......................52 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425-746-6310 Nov2000 SGC, Inc. E-Mail: sgc@sgcworld.com Web Site: www.sgcworld.com...

  • Page 9: General Information

    Even the most experienced professional HF users will occasionally run into difficulty. Regardless of the level of your experience, SGC stands ready to offer you installation suggestions and help you resolve any aspect of Smartuner operation that is not entirely satisfactory.
  • Page 10 Please make note of the following information for your records: Date unit was purchased: Dealer from whom purchased: Date installed: Type of antenna used: SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 © Nov2000 SGC, Inc...

  • Page 11: Overall Description

    When the same conditions are encountered again, re-tuning is accomplished within 20 milliseconds by recalling the information from the non-volatile memory. Special software has been designed by SGC to allow accurate and fine-tuning of the coupler. For software description, refer to the MicroTune section of the manual.

  • Page 12: Coupler Network Configuration

    (especially young children), pets, and small animals. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 13: Mechanical Design

    Although the SMARTUNER is built very solidly, it is good installation practice to provide additional protection from the elements. SGC makes the following recommendations: SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 14: Marine Mounting

    If you are mounting on a tower in a hot or cold climate, a plastic wastebasket (such as those made by Rubbermaid™) makes an excellent weather cover and costs only a few dollars. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 15: Remote Installations

    If you need to install the antenna coupler more than 50 feet from the transmitter site, up to two extension cables may be used for a total of 75 or 100 feet. However, SGC does not recommend installing the Smartuner more than 100 feet from the transmitter because two losses must be considered.

  • Page 16: Upgrade Sequence

    • The second loss which must be considered is the losses in the DC power and reset control line. At any distance other than the 9-foot cable that is supplied by SGC, we recommend that the DC voltage at the antenna coupler be measured because if the coupler voltage drops below 10 volts, the coupler may not operate properly.

  • Page 17: Accessories

    SGC Part Number 55-24. SG-303 High performance 9-foot whip antenna. This dual element antenna is designed for severe SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 18: Parts And Technical Support

    3.3 Technical Support Before contacting SGC for technical support, please take a few minutes to think through your installation and ask if there is anything obvious that you have overlooked in the installation. Check to make sure your ground system is both adequate and tight and that proper voltage is supplied to the coupler.

  • Page 19: Antenna Types

    Be patient. Finding the reason for less than ideal system operation may take one telephone call or it may take several calls. Regardless of how complex the problem is, your SGC representative will be able to walk you through the process of solving your problem in a logical step-by-step manner. The Smartuner and accessories will always give top performance when carefully installed.

  • Page 20: Antenna Selection

    This is the preferred antenna for marine installation when there is no room for a longwire antenna. It will also provide reasonable efficiency for base station use and is the shortest recommended base antenna. (SGC Part Number 55-24 for the SG-204 35 foot whip antenna.) 4.3 Longwire Antenna—...

  • Page 21: Longwire Antenna

    SMARTUNER MANUAL particular site. SGC’s long wire antenna, 60 feet in length, provides efficient operation on low frequencies and high frequencies alike. (SGC Part Number 55-10.) 4.4 Backstay Antennas — 8 Meters (28 feet) and Longer Although we would love to sell everyone a high performance marine whip antenna, the backstay of a sailboat is almost impossible to improve upon in most installations.

  • Page 22: Vehicle Installation

    Suitable stay cable Ground to steel bulkhead or overhead Motor Vessel Installation SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 © Nov2000 SGC, Inc E-Mail: sgc@sgcworld.com Web Site: www.sgcworld.com...

  • Page 23: Base Installation

    SMARTUNER MANUAL Figure 4.5.4 Base installation COUPLER Figure 4.5.5 Base ladder installation SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 © Nov2000 SGC, Inc E-Mail: sgc@sgcworld.com Web Site: www.sgcworld.com...

  • Page 24: Base Installation

    Conduit for Ground Wire Radials control cable and coax Figure 4.5.7 Base dipole installation SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 © Nov2000 SGC, Inc E-Mail: sgc@sgcworld.com Web Site: www.sgcworld.com...

  • Page 25: Base Dipole

    Loop wires are attached at one end on the high voltage active side of the coupler and on the other end at the ground side of the coupler. Figure 4.5.9 Base Delta Loop SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 26: Delta Loop

    This type of antenna provides exceptionally good performance on the low frequency bands for short to intermediate range communications. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 27: Vessel Groundless Loop

    The grounded side of the coupler should be connected to the bottom of the mast. Although not our best recommendation, this antenna will provide a workable solution in some installations. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 28: Vessel Insulated Backstay

    (as illustrated in Figure 4.6.1). This configuration allows operation from 1.8 to 60 MHz, and the SG-231 will tune and load SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 29: Recreational Vehicle (Rv) Antennas

    An end-fed antenna could be effectively used if a metal cabin structure is available. Loop antennas have the advantage of not requiring a ground system but are highly SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009...

  • Page 30: Aircraft Antennas

    This long wire approach has proven effective on Bell Jet Rangers and Long Rangers in particular. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 31: Low Profile, Hidden

    • The amateur radio community (a larger group) finds itself more restricted by covenants, building codes, and tenant requirements. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...
  • Page 32 Ground wire will always insure proper and better grounding. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 © Nov2000 SGC, Inc...

  • Page 33: Emergency Antennas

    For good emergency communications, you will only need 30-70 feet of antenna and a strongly built (Mylar or nylon) kite. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 34: Tactical Installations

    10-20 knot winds are almost always available when underway at sea. 4.10.2 Tactical Installations Over the course of nearly 25 years of HF communications, SGC equipment has been used everywhere from camel back in the desert to Antarctic expeditions. Along the way we have collected a number of tips to get maximum system performance from your radio system when you are operating in a tactical or disaster situation.

  • Page 35: Five Golden Rules Of Hf Installation

    If all 5 above points are followed during the design and installation of your HF system, the operator can expect top performance. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 36: General Notes On Antennas

    For vehicular installation, do not use any inexpensive CB antennas and/or mounts. These antennas will not perform well from 1.8 to 10 MHz even though SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009...

  • Page 37: Steps To Antenna Installation

    Vertical antennas have an omni-directional radiation pattern, providing equal performance in all directions. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 38: Ground Systems-General

    SGC always recommends that two grounding bolts with star washers be used to ensure no ground resistance is encountered. Make SGC Inc.

  • Page 39: Marine Grounds

    Although it is not mandatory that ground foil be glued into place, we consider it a good idea to keep the space below decks neat and orderly under all conditions. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009...

  • Page 40: Base Station Grounds

    On a rooftop, this situation SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009...

  • Page 41: Corrosion

    More frequently, a counterpoise system of radial wires must be used. SGC recommends the use of at least 8 to 12 radials bonded together in the center. If the antenna is at ground level, the radials should be buried a few inches below the surface.

  • Page 42: Installation With Sg-2000

    SMARTUNER MANUAL The following diagrams will assist you with installing the SMARTUNER with SGC equipment. 6.1 Installation with SG-2000 The SG-2000 is shipped with all necessary connectors for installation of a SMARTUNER™ and for installation of peripherals by means of the audio input/output jack on the rear panel.

  • Page 43: Smartlock Installation

    A schematic drawing is provided as an aid to understanding the operation of the SmartLock. Smartlock Schematic Diagram 6.4 Weatherdeck Mounting SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 44: Electrical Checkout

    Black (of coupler cable) = ground - Pin 1 Red (of coupler cable) = +12 VDC - Pin 2 White w/Black = tuned indication - Pin 3 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 45: Do-It-Yourself Light-Bulb Dummy Load

    “all tuned” indication. The SMARTUNER installation and tune-up are considered complete if the above tests have been successfully performed. The SMARTUNER will probably not be supplied from SGC with memory data appropriate to your installation, and the memory feature may not seem impressive at first.
  • Page 46 (NEVER test with the transmitter set on an emergency frequency, such as 2182 KHz). SGC recommends that you build the light-bulb dummy load with the following parts (although I have made one with an old light fixture and a makeshift version with just...

  • Page 47: Coupler Configuration

    7.1 Schematic Diagrams Schematic Q30102000, sheets 1 thru 6, are schematic diagrams of antenna coupler. Connections to Smartuner SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 48: Tuning Process

    If the line impedance goes to high, the signal from the voltage sensor will be relatively higher than the current sensor, which will result in a net positive output voltage from the summing SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009...

  • Page 49: Vswr Detector

    From the frequency data, the computer then searchers its EEPROM for previously stored data. If SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009...

  • Page 50: Initialization

    Software is unique software that allows precise tuning ™ of the digitally controlled network to tune a wide variety of antennas. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 51: Program Description

    All tuning elements are then removed and the 'tune' indicators are turned off. At this time the computer reverts to a "sleep" mode awaiting RF power. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 52: Tuning Paths

    “OK Tune” section of the code. Here, the tune indicators are engaged. A test is then made to check if JP2 is set to tune from memory. If SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009...

  • Page 53: Tuning Paths

    The settings that gave the lowest VSWR have been kept in memory and are now recalled to verify it is a low VSWR SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 54: Antenna Too Long

    In this position the software will retain data required in transmit to match the coupler while removing all tuning elements when no forward power is detected. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 55: Smartlock Operation

    Tune Lock position. When in the Tune Lock position, the red LED blinks to notify the user that the coupler is locked on the current setting. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...

  • Page 56: Smartlock Notes

    Antenna (See Figure 10.1.2.) The advantage here is that more of the actual signal energy reaches the receiver allowing for a greater SNR to be achieved. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009...

  • Page 57: Troubleshooting The Smartuner

    LED, you may invoke the SmartLock Tune Lock function, thus forcing the coupler to retain correct settings. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009...

  • Page 58: Antenna Faults

    If you have a long lead wire from the coupler to a feed- through (on a wall or bulkhead), you significantly increase your chance of problems. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009...
  • Page 59 1992. A SMARTUNER user had a coupler installed in a mobile ham radio installation. The coupler could not find a lock on several bands. After going through his installation carefully, the user called SGC for technical support. This user was nearing wit’s end.

  • Page 60: Transmitter Faults

    Better yet, use a regulated power supply of an adequate rating. 11.4 A Final Pointer on Troubleshooting SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 ©...
  • Page 61 These publications include: HF User's Guide Go Mobile at 500 Watts Stealth Antennas Smartuner Antenna Coupler Manuals SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 © Nov2000 SGC, Inc...
  • Page 62 Vessel insulated backstay, 19 LED indicator installation 24 VDC, 34 VSWR detector, 37 Longwire antenna, 12 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425 746-6310 © Nov2000 SGC, Inc...
  • Page 63 SG-230 Manual Notes SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com © 2000 SGC Inc © 1998 SGC Inc...
  • Page 64 SG-230 Manual Notes SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA 98005 USA P.O. Box 3526, 98009 Fax: 425-746-6384 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com © 2000 SGC Inc...
  • Page 71 QMS-7 will provide exceptional auto-tuning with any HF and VHF transceiver. ® SGC, Inc., P.O. Box 3526 , Bellevue, WA 98009 USA Tel: 425-746-6310 or 1-800-259-7331 Fax: 425-746-6384 E-mail— sgc@sgcworld.com Web site— http://www.sgcworld.com No Compromise Communications SGC reserves the right to modify specifications without notice.
  • Page 72 Length: 7 ft., including adjustable ratchet SGC reserves the right to modify specifications without notice. mount and spring ® SGC, Inc., P.O. Box 3526 , Bellevue, WA 98009 USA Tel: 425-746-6310 or 1-800-259-7331...
  • Page 73 Includes VHF bands SG-307 7 ft. antenna (QMS-7 not shown) 1-800-259-7331 ® The SGC Building, 13737 S.E. 26th Street, P.O. Box 3526, Bellevue, WA 98009 USA Phone: 425-746-6310 FAX: 425-746-6384 E-mail: sgc@sgcworld.com Website:http://www.sgcworld.com No Compromise Communications © October 2000 SGC, Inc.
  • Page 74 500 watts PEP voice or CW Length: 9 ft., including See QMS-7 brochure for more options.) adjustable ratchet mount ® The SGC Building, 13737 S.E. 26th Street, P.O. Box 3526, Equivalent: 23-foot antenna Bellevue, WA 98009 USA Design: helically wound...
  • Page 75 Be sure to see SGC's revolutionary mobile QMS system for mounting antenna and coupler outside the vehicle. ® The SGC Building 13737 S.E. 26th Street, Bellevue, WA 98005 USA Box 3526, Bellevue, WA 98009 USA 425-746-6310 or 1-800-259-7331 Fax: 425-746-6384 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 76 8 pounds (3.5 kilos) Case bridges or trees. Construction: Plastic ABS weatherproof case The SGC Building, 13737 S.E. 26th Street, P.O. Box 3526, ® Bellevue, WA 98009 USA Phone: 425-746-6310 800-259-7331 FAX: 425-746-6384 425-746-7173 E-mail: sgc@sgcworld.com Web site:http://www.sgcworld.com No Compromise Communications...
  • Page 77 *Antenna must be used with an antenna coupler such as the SG-231 ® SGC, Inc., P.O. Box 3526 , Bellevue, WA 98009 USA Tel: 425-746-6310 or 1-800-259-7331 Fax: 425-746-6384 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com No Compromise Communications...
  • Page 78 4.32 H centimeters Weight: 3.8 pounds (1.6 kilos) Case Construction: Plastic ABS weatherproof case Catalog Number: 54-17 1-800-259-7331 ® SGC, Inc., P.O. Box 3526 , Bellevue, WA 98009 USA Tel: 425-746-6310 Fax: 425-746-6384 No Compromise Communications E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 79 Communications cable), RMT tune ® and Smartlock wire The SGC Building 13737 S.E. 26th Street, Bellevue, WA 98005 USA Catalog Number: 54-14 Box 3526, Bellevue, WA 98009 USA 425-746-6310 or 1-800-259-7331 *Under certain limitations. FAX: 425-746-6384 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 80 SGC equipment and related services. In the event of a defect as defined above, SGC shall, at its option, either repair or replace the product free of charge to the purchaser, provided that: 1.
  • Page 81 DC power, forward power, phase, two VSWR levels, low impedance and tuned conditions. ® The SGC Building 13737 S.E. 26th Street, Bellevue, WA 98005 USA Box 3526, Bellevue, WA 98009 USA 425-746-6310 or 1-800-259-7331 No Compromise Communications FAX: 425-746-6384 E-mail: sgc@sgcworld.com Web site: www.sgcworld.com...

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