SGC SG-2020 Installation And Operation Manual
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SGC SG-2020 Installation And Operation Manual

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S G -2020
Trans ceiver
Ins tallation and Operations Manual
"No Compromise Communications"

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  • Page 1 S G -2020 Trans ceiver Ins tallation and Operations Manual “No Compromise Communications”...
  • Page 2 SGC welcomes your call to discuss your SSB requirements. SGC 2020 Staff SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 3 July 1999 SGC RESERVES THE RIGHT TO MODIFY SPECIFICATIONS WITHOUT NOTICE. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc. P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...

  • Page 4: Table Of Contents

    G L O S S A RY APPENDIX A SG-2020 Transceiver Front SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...

  • Page 5: Features

    Operational temperature range of -30 to +70º C WARM-UP TIME The SG-2020 is equipped with a thermistor resistor circuit designed to stabilize the frequency. A warm-up time of 15 to 30 minutes is needed to achieve full stability. The unit is fully operational during this time, but a drift of plus or minus 200 Hz may be noticed.

  • Page 6: Introduction

    HF users - amateurs, professionals and others. The SG-2020 is the first in a series of new generation SGC products based on the single I.F. frequency. SGC introduced the first HF SSB which was mass produced for the marine industry.
  • Page 7 40 saturated watts in mid band and therefore, a rating of 20 watts PEP is very conservative. The SG-2020 is equal to the performance of only a very few trans- ceivers available in today's market and which cost several thousand dollars.

  • Page 8: Specifications

    10º C. If the ambient temperature changes from 20º to 30º C, there could be a drift of 42.6 Hz. SGC reserves the right to modify specifications without notice. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...

  • Page 9: Inspection Upon Receipt

    Note: Voice operation will not function if the unit is in “CW” mode. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc. P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 10 5 seconds. This will insert the CW tone to allow the coupler to tune. The SG-2020 will transmit a tone as long as the microphone push but- ton is depressed. Once you release the push button on the micro- phone, the radio reverts to SSB with no tone and normal transmis- sion can resume.
  • Page 11 This setup approach will allow any operator to get superb perfor- mance under all conditions or pile ups. In CW the SG-2020 supports full break in and performs extremely well. Also, in the electronic paddle mode, the break-in is support-...

  • Page 12: Installation

    The SG-2020 expects a 50 ohm resistive impedance at the operating frequency. The output load conditions are monitored by the SG-2020 to pro- vide protection for the final amplifier’s output transistors by auto- matically reducing power output when an impedance mismatch is detected.
  • Page 13 BASE STATION The SG-2020 requires a power source of 9 to 18 volts DC, capable of up to 5 or more amperes peak when operating at full transmitter output power. A power supply with an output current rating of 1 or more amperes will be sufficient if the SG-2020 is used in receive mode only.
  • Page 14 Additional front flip feet can be ordered sep- arately, catalog number 05-43. 6.1.2 DESK OR BASE MOUNTING (option 05-42) To mount the SG-2020 in a secure installation, use the optional mounting plate in the transverse or longitudinal position a s described below: A.
  • Page 15 TIVE connection to the radio. • Insert the DC power cable connector into the mating connector on the rear panel of the SG-2020, connect antenna coax to the ANTENNA connector, and external speaker connection via the 3.5 mm stereo phone jack if desired.

  • Page 16: Sg-2020 Applicat I O N

    For a more secure and versatile installa- tion, an optional pedestal mount system is also available from your dealer. Note: SGC assumes no liability for damage or injury which could occur in the event of an accident or collision. 7.0 SG-2020 APPLICATIONS 7.1.

  • Page 17: Front Panel;

    CW operator will enjoy superb CW communications world wide. From a home base station or to the North Pole or the, Amazon jungle, the SG-2020 functions as a remarkable CW portable unit. HAM AND COMMERCIAL DATA COMMUNICATION...
  • Page 18 10 milli seconds and is well suited for this type of data operation. MARINE The SG-2020 is an ideal marine radio. Since it is not FCC type approved for this operation, it should be used as an auxiliary hobby radio. The low power requirements enable the unit to operate when other equipment on board may not, (i.e.
  • Page 19 HF radio may not provide the same performance, and its power consumption may be restricted in some applications. The SG-2020 is the most suited product for this type of application. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA ©...
  • Page 20 "PBT" Pass Band Tuning (variable IF passband) Impulse noise blanker SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...

  • Page 21: Front Pa N E

    WPM, and 5 word increments from 45 through 60 WPM. The speed is retained in the SG-2020’s non-volatile memory. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 22 1.8 MHz and 29.7 MHz. The transmitter will not operate if the frequency is set outside the amateur bands. Inside SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 23 In the "XCVE" position the SG-2020 receives and transmits on the same frequency. Press the RIT(Receiver Incremental Tuning) button and the trans- mit frequency remains fixed while the receive frequency can be varied.
  • Page 24 MEM button while turning the power on. Channel numbers are not assigned, and therefore are not displayed. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...

  • Page 25: S E C O N D A Ry Switch Functions 2

    Initiate transmit while in CW mode. c. depress any of the following keys: SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 26 Threshold: ‘S’ is displayed (Press MEM to enter). AUDIO BLANKING TIME: 0 - 1.28 seconds in 10 ms intervals SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...

  • Page 27: Power On Options 2

    Power up the radio while depressing the ‘LIGHT’ button. Hold it until either ‘dl ON’ or ‘dl OFF’ is displayed. Select whether you SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 28 NOTE: For proper and faster recovery please insure the input volt- age is higher than 12 volts DC. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...

  • Page 29: Bargraph Display 2

    The bargraph will also work in the Iambic key mode. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...

  • Page 30: Front Panel Connecto R

    A sidetone of 650 Hz is also activated. If the SG-2020 is tuned to a frequency outside the amateur bands, it will not transmit when the key is closed. The shell is ground and the tip is key.

  • Page 31: Rear Panel Connecto R

    FIGURE 3. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 32 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...

  • Page 33: Circuit Description 2

    Most existing HF transceivers are designed with 2, 3 or 4 IF stages. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 34 . This also provides superior receiver perfor- m a n c e . The SG-2020 receiver is equal or better than most trans- ceivers available in the commercial or ham markets.

  • Page 35: Am Broadcast Reception 3

    See picture below. Flex Cable Removed N o t e : The SG-2020 is set to transmit at 650 Hz upper sideband tone. Setting the dial frequency for the same receive and transmit frequency “pressing button RCVE” will transmit a tone frequency of 650 Hz above the carrier frequency (upper sideband).
  • Page 36 Speaker removed The broadcast filter is designed to reject any broadcast station that may be in the vicinity of the receiving station using the SG-2020 that could cause interference. In some cases, the rejection may not be sufficient and may be heard in the SG-2020 receiver. Stations using 100 kilowatts within 10 miles may cause excessive interfer- ence.

  • Page 37: Quick Tour Of User Connecto R

    A 3.5 mm mono phone jack is provided for the CW key. The key sees +5 volts at a few milli amperes. The SG-2020 is set up for full break- in operation and transmits when the key is closed. A sidetone of 650 Hz is also activated.
  • Page 38 16.2 DATA MODE CONNECTION Below is an example of a data mode inter connection. 16.3 REAR PANEL CONNECTORS There are three connectors on the rear panel of the SG-2020 trans- ceiver. 16.3.1 ANTENNA Unlike most solid state transmitters, the SG-2020 is not readily damaged by a mismatch or high SWR.
  • Page 39 9 volts. Some wall mounted power supplies do not provide sufficient filter- ing or regulation and should not be used with the SG-2020. If the supply is not adequately regulated or if the battery is run down, the unit may work in receive mode but shut down in transmit when the heavier load pulls the supply voltage below 9 volts.

  • Page 40: Alignment / Test Procedures 3

    Connect the DVM to the PLL error voltage test point (TP3) on the Exciter PCB and Gnd. Tune the SG-2020 to 29.7 MHz and verify the voltage is less than 16 V. If the voltage is greater than 16 V when tuned to 29.7 MHz adjust spacing between windings of L18.
  • Page 41 Hz at a level of approximately 20 milli volts. Activate the PTT and verify 20 Watts output on the power meter. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 42 This test is not covered under warranty. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...

  • Page 43: Exciter Vo Ltage Measurements 3

    10.0 Q11P1 U2P11 Q11P2 U2P12 U1P18 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 44 U10P2 Q36P2 10.0 U16P3 U10P3 Q36P3 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 45 Q37P2 U7P3 Q37P3 U7P4 U7P5 U4P1 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 46 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 47 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 48 PROCUREMENT: SCALE: SHEET 1 OF 1 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...

  • Page 49: Pcb Layout And Schemat I C

    19.0 PCB LAYOUT AND SCHEMATICS COMPONENT LAYOUT EXCITER SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 50 COMPONENT LAYOUT LPA SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 51 COMPONENT LAYOUT PROCESSOR REAR SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 52 COMPONENT LAYOUT PROCESSOR FRONT SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 53 COMPONENT LAYOUT DISPLAY SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 54 PROCESSOR PCB SCHEMATIC 1 OF 4 © 1998 SGC Inc...
  • Page 55 PROCESSOR PCB SCHEMATIC 2 OF 4 © 1998 SGC Inc...
  • Page 56 PROCESSOR PCB SCHEMATIC 3 OF 4 © 1998 SGC Inc...
  • Page 57 PROCESSOR PCB SCHEMATIC 4 OF 4 © 1998 SGC Inc...
  • Page 58 LPA PCB SCHEMATIC 1 OF 3 © 1998 SGC Inc...
  • Page 59 LPA PCB SCHEMATIC 2 OF 3 © 1998 SGC Inc...
  • Page 61 EXCITER PCB SCHEMATIC 1 OF 8 © 1998 SGC Inc...
  • Page 62 EXCITER PCB SCHEMATIC 2 OF 8 © 1998 SGC Inc...
  • Page 63 EXCITER PCB SCHEMATIC 3 OF 8 © 1998 SGC Inc...
  • Page 64 EXCITER PCB SCHEMATIC 4 OF 8 © 1998 SGC Inc...
  • Page 65 EXCITER PCB SCHEMATIC 5 OF 8 © 1998 SGC Inc...
  • Page 66 EXCITER PCB SCHEMATIC 6 OF 8 © 1998 SGC Inc...
  • Page 67 EXCITER PCB SCHEMATIC 7 OF 8 © 1998 SGC Inc...
  • Page 68 EXCITER PCB SCHEMATIC 8 OF 8 © 1998 SGC Inc...
  • Page 69 DISPLAY PCB SCHEMATIC 1 OF 1 © 1998 SGC Inc...

  • Page 70: C Atalog Items 6

    19.0 CATALOG ITEMS On the following pages, you will find an updated list of SG-2020 accessories, which includes prices. Please note that price and delivery must be confirmed at the time of order. All items can be ordered directly from SGC using your Mastercard or Visa.
  • Page 71 • includes battery container (05-37) to hold ten “”D”” cell batteries (batteries not included) • includes front panel cover with facility to store standard SGC microphone (supplied) • includes adjustable carry case strap for hand or shoulder Ö% overall sizes of the unit, including battery case: 2 7/8 x 7 x 16 3/8 inches •...
  • Page 72 1.8 to 30 MHz and 50 to 150 watts. No control connections are required from the driver unit.”,12x12x12 in”” SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 73 SO-239. (Coaxial feed cable is not supplied and must be ordered separately 55-91, 55-92, 55-93 or 55-94). SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 74 Sufficient to service up to 10 basic units 3 years. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 75 Please note that price and delivery must be confirmed at the time of order. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 76 (Contrast with decimal which uses digits 0 through 9.) CAPACITOR: A device to store electrical energy. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 77 "beat" together (one frequency minus the second frequency = heterodyne). HERTZ: See Hz. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 78 SITOR: A commercial system of radio teletype for ship to shore, ship to ship and between ships and any telex subscriber; "ship international SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 79 SYNTHESIZER: The device that produces and controls frequencies through synthetic results. SNS: Exclusive to SGC; spectral noise subtraction; works with DSP in signal processing to improve incoming signals. TELEX: A commercial service involving teletypewriters connected through automatic exchange;...

  • Page 80: Appendix A 7

    14325 As Needed ATL, CAR, PAC SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 81 2096.0 All Areas. Government shore, ship and aircraft 3023.0 stations for search and rescue coordination. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 82 * Broadcasts, announced on 2182 kHz, include urgent marine information broadcasts and severe weather warnings only. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 83 Pacific Coasts also broadcast maritime safety information on 2670 kHz, after announcing the broadcast on 2182 kHz. SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 84 For more great information, check out our website at www.sgcworld.com SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331...
  • Page 85 In the event of a defect, malfunction or failure of which SGC receives notice during the 1 year period, SGC, at its’ option, will repair or replace the product free of charge to the buyer. The buyer must contact SGC for a Return Material Authorization Number (RMA) and deliver the product back to SGC with this RMA number and written proof as to date of purchase.
  • Page 86 On the SG-2020, ADSP is activated by a combination of the CMD + SPLIT key. Split NOTE: this is different from the original SG2020 ADSP which used CMD+BW for ADSP switching Bandwidth Filters are activated by CMD + BW. Each activation steps to the next filter or DSP level in a loop. For example, The ADSP...
  • Page 87 Voltage Measurements 39-41 Voltmeter Volume 6,16,21 SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA © 1998 SGC Inc P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 88 SG-2020 Product Evaluation Report Please help us by providing your impressions of the new SG-2020 transceiver. Rate each feature on a scale of 0 - 5, as follows: 0=Not Acceptable 3=Good 1=Poor 4=Very Good 2=Acceptable 5=Excellent 1 - First impression from the box.
  • Page 89 SG-2020 PortaPak USER MANUAL SGC catalog number: 05-32 Document number: N80100533•D “No Compromise Communications”...
  • Page 90 SGC welcomes your call to discuss your SSB requirements. SGC 2020 Staff © 1998 SGC Inc SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...

  • Page 91: G L O S S A

    The SG-2020 PortaPack is designed to provide a built-in portable power supply for SG-2020 radio transceiver. The PortaPack configu- ration allows the popular SG-2020 to be used in remote areas, and for backpack and mobile applications. When used in mobile applications, PortaPack units can be loaded with either 10 "D"...
  • Page 92 Batteries and a charger are not supplied with this product. A battery charger for the PortaPack can be purchased from SGC. Any other charger used for this purpose should meet the following charac-...

  • Page 93: Battery Case

    Battery Case Placing batteries into the case © 1998 SGC Inc SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 94 © 1998 SGC Inc SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...
  • Page 95 © 1998 SGC Inc SGC Inc. SGC Building, 13737 S.E. 26th St. Bellevue, WA. 98005 USA P.O.Box 3526, 98009 Fax: 425-746-6384 or 746-7173 Tel: 425- 746-6310 or 1-800-259 7331 E-mail: sgc@sgcworld.com Web site: http://www.sgcworld.com...

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