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6. Key "push to talk" switch on microphone, and observe light bulb. The

light should come on if the radio is transmitting.

Note: The light bulb may not come on immediately if the coupler has not yet

been tune for that frequency. The light bulb brightness is greatest when the

coupler is tuned for that frequency.

7..7

R C

FIIG

TIIO

Schematic Q30101200, page 1 is the schematic diagram of the two basic coupler

networks. Note that the "L" network as viewed from the generator, may be

configured as either "C in" or "C out", whichever is required by the load. In

either case, the end of the network containing the shunt C element will be the

HIGHER impedance end of the network.

7..8

TIIC

C D

DIIA

Schematic Q30101200, pages 1,2 ,3 and 4 are the schematic diagrams of the

antenna coupler. RF input is applied to UHF fitting J1, 13.6 VDC is connected to

the terminals marked - and + on TB1, and an appropriate antenna and ground

system are connected to feed through insulator and stainless steel stud respec-

tively. The "ALL TUNED" flag line on TB1 is connected to the remote indicator

device if used.

7..9

9 T

NIIN

G P

There is an array of detector devices in the SG-230 which monitor the antenna

system impedance, reactance signal and the VSWR load when RF power is

applied to the unit. The coupler also monitors forward power, since the con-

trol computer requires an indication of both forward and reflected power in

order to allow tuning to proceed. The computer uses the forward power detec-

tor as a check to ensure that the measurements made are applied RF and are

not spurious levels from the data conversion system. The SG-230 will proceed

to tune

only when enough forward power is present to confirm this check.

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: [email protected] Web site: http://www.sgcworld.com

SG-230 Manual

Radio HF/VHF

RF IN-OUT

RF GND

Antenna Coupler

Antenna Jack

GND

Содержание Smartuner SG-230

Страница 1: ...SG 230 Smartuner Microprocessor Controlled Automatic Antenna Coupler Installation and Operations Manual Getting the most from every watt of HF SSB Power ...

Страница 2: ...emphasis on providing quality equipment which remains rugged reliable and competitively priced We are focused on providing customer service of the highest standard Our commitment is to product training and comprehensive after sales support Today SGC is recog nized as a world class designer and manufacturer of HF SSB communications products At SGC we build communications power tools Next generation...

Страница 3: ... 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 C CA AU UT TI IO ON N Carefully read the ÒQuick StartÓ on the fol lowing page and all pertinent sections of this manual prior to operating your Smartuner for the first time This unit will provide outstanding service if you follow the detailed recommendations within this manual ...

Страница 4: ...s power is applied coupler should make one click sound 3 Coupler should come up in the bypass untuned state 4 To tune speak normally whistle or use CW 5 Tuning should be done at full power Clicking is heard 6 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 or 1 800 259 7331 E m...

Страница 5: ...lied Items 17 3 2 Technical Support 18 4 0 Antenna Types 19 4 1 Selection 19 4 2 Whip Antenna 2 5 3 0 METERS 20 4 3 Whip Antenna 7 0 8 5 meter 23 ft 20 4 4 Longwire Antenna 23 meter 75 ft 46 meter 150 ft 20 4 5 Backstay Antennas 20 5 0 Typical Installations 21 5 1 Apartment Loop Antenna 27 5 2 Recreational Vehicle RV Antennas 29 5 3 Low Profile Hidden and Covert Antennas 30 5 4 Emergency Antennas ...

Страница 6: ...ical Checkout 46 7 7 Coupler Configuration 50 7 8 Schematic Diagrams 50 7 9 Tuning Process 50 7 10 Impedance Detector 51 7 11 VSWR Detector 51 7 12 Phase Detector 52 7 13 The Control Device 52 7 14 Initialization 52 7 15 Information Read 53 7 16 Storing Memory 53 7 17 Bypass Operation Jumpers 54 8 0 Optional Smartlock 55 9 0 Tuning Process and Options 56 9 1 Program Description 57 9 2 Tuning Algor...

Страница 7: ...nformation 66 Schematics 67 Appendix QMS System A 1 SG 303 Antenna Brochure SG 307 Antenna Brochure QMS Antenna Coupler System Brochure QMS 7 Antenna Coupler System Brochure 7 1998 SGC Inc SG 230 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 or 1 800 259 7331 E mail sgc sgcworld com Web site http www sgcworld com ...

Страница 8: ...w this manual However if you are inexperienced in HF radio installation and opera tion do not be shy about seeking advice from people with more experience than your own This will help you achieve good results quickly and with a minimum of frustration Even the most experienced professional HF users will occasionally run into difficulty Regardless of the level of your experience SGC stands ready to ...

Страница 9: ...erving these basic rules will insure good operations under the widest range of conditions This manual should be thoroughly studied if you plan to have the best possi ble signal and most reliable operation of your HF system 1 1 3 3 O Ov ve er ra al ll l D De es sc cr ri ip pt ti io on n The SG 230 is a general purpose coupler which can be operated with any type of radio and almost any type of anten...

Страница 10: ...p po os ss si ib bl le e t tu un ni in ng g s so ol lu ut ti io on n a an nd d w wi il ll l i im mp pr ro ov ve e e ex xi is st ti in ng g t tu un ni in ng g s so ol lu ut ti io on ns s w wh he en n e ev ve er r p po os ss si ib bl le e The SG 230 may be bypassed and your antenna used as a broadband receiving antenna To do this turn off the power to the coupler for 2 seconds and then turn it back ...

Страница 11: ... N Ne et tw wo or rk k C Co on nf fi ig gu ur ra at ti io on n The coupler network configuration is designed with 64 different input capaci tor values 32 output capacitor values and 2516 inductor values thus providing about a half million different or L configurations The coupler requires an input of 5 to 150 watts to operate The unit operates on 12 volts and can be optionally supplied to operate ...

Страница 12: ...ice Corrosion resistant hardware and passive alloys are employed throughout We do not recommend opening the Smartuner case unless it is necessary For 99 of installations the factory set tings for jumpers will be correct The coupler must be installed in an area not directly exposed to the sunshine or rain Should you have occasion to open the case it must be re sealed under low humidity below 35 and...

Страница 13: ... 1 8 8 D De es se er rt t a an nd d H Hi ig gh h T Te em mp pe er ra at tu ur re e I In ns st ta al ll la at ti io on ns s The Smartuner may be used in very hot climates on a continuous basis if some additional protection from direct sunlight is provided The best pro tection for a mobile installation is provided by the QMS Quick Mounting System which keeps the antenna coupler outside of a vehicle ...

Страница 14: ... cable is over 2 dB This means that a 100 watt transmitter would actually deliver about 70 watts to the antenna after running through 100 feet of coax at 30 MHz If you are seeking the utmost performance at 30 MHz and you can not avoid a run of 100 feet or longer we recommend using a larger low loss type of coax such as RG 8 foam dielectric or Belden type 9943 coax Both of these will reduce attenua...

Страница 15: ... forward in coupler design The original Smartuners with Revision numbers prior to R were usually three wire sets plus coax In other words the coupler control line was not available With the advent of Revision R the reset line was added to allow the operator to force the unit into the bypass mode on receive useful for broadband scan ning and to find the lowest possible SWR under a given set of cond...

Страница 16: ...VDC Input Current Average 9 amps Random set time Typical less than 2 seconds Recurrent set time Typical less than 10 milliseconds Antenna Length 8 to 80 ft 3 3 30 MHz 25 to 80 ft 1 6 30 MHz Installation Any position Operating Temperature 35 to 70 C Size 16D x 12W x 3H inches 40 6D x 30 5 W x 7 6H centimeters Weight 8 pounds 3 5 kilos Case Construction Plastic ABS weatherproof case optional shock m...

Страница 17: ...adiation is omnidirectional Rated for use on vehicles or boats at up to 75mph SGC Part Number 55 28 Q QM MS S Quick Mounting System which houses SG 230 Smartuner and also provides a sturdy mounting platform for the SG 303 antenna system Designed for fly away installations requiring no holes installation of high performance HF antenna system SGC Part Number 55 45 3 3 0 0 P Pa ar rt ts s F Fu ur rn ...

Страница 18: ...A n n t t e e n n n n a a I I n n f f o o r r m m a a t t i i o o n n Please be ready to describe your antenna instal lation You will need to advise us whether the antenna is a wire type a dipole vee vertical long wire or whip antenna G Gr ro ou un nd d S Sy ys st te em m You should be ready to describe your ground system in detail If you are dealing with a marine installation you should have a de...

Страница 19: ...er if desired Narrow band resonant antennas such as dipoles vee s and inverted vee s may only be used if the antenna VSWR including coaxial feeder is less than or equal to 3 1 at the operating frequency Note that if a dipole or Vee type antenna is used the antenna may be oper ated at any frequency within the range of the coupler if each side of the vee or dipole is 23 feet or longer In addition th...

Страница 20: ... 23 4 4 4 4 L Lo on ng gw wi ir re e A An nt te en nn na a 2 23 3 m me et te er r 7 75 5 f ft t a an nd d 4 46 6 m me et te er r 1 15 50 0 f ft t For most applications the longwire antenna will give the best results and is recommended when practical The diagrams at the end of this section show some recommended methods of installation These are only a few of the many possible methods of installatio...

Страница 21: ...ns st ta al ll la at ti io on n 21 1998 SGC Inc SG 230 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 or 1 800 259 7331 E mail sgc sgcworld com Web site http www sgcworld com Detail Jeep Installation for Automatic Antenna Coupler Coupler Feed through insulator GTO cable as short as possible Transceiver 2 0 M whip SG 303 or S...

Страница 22: ...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 1998 SGC Inc SG 230 Manual Feed through insulator Coupler Suitable stay cable Ground to steel bulkhead or overhead Motor Vessel Installation Coupler Ground coupler securely to truck Transceiver 2 0 M whip Feed through insulator Vehicle Installa...

Страница 23: ...GC 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 BASE INSTALLATION GROUND LEAD 1 5M MAX 7M to 10M GROUND ROD 3M Conduit for control cable and coax Ground cable No 4 AWG 150 cm maximum 30 30 11M 2M Insulator Insulator GTO cable Coupler 2M Base Installation with Ground Wir...

Страница 24: ...n provides optimum near right angle reflection to the ionosphere for short 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 or 1 800 259 7331 E mail sgc sgcworld com Web site http www sgcworld com 1998 SGC Inc SG 230 Manual Coupler 7 to 25 meters 1 m e t e r 3 meters Hot G N D E 6 6 i n s u l a t o r s x 8 3 mete...

Страница 25: ...round side of the coupler 5 5 0 08 8 B Ba as se e L La ad dd de er r I In ns st ta al ll la at ti io on n F Fi ig gu ur re e 5 5 0 09 9 B Ba as se e D De el lt ta a L Lo oo op p The delta loop antennas are ideally suited to long range communications due to their low angle This configuration is best for communications ranging from 500 to 5000 miles in the HF frequency range of 4 to 22 MHz Noise rej...

Страница 26: ...cy bands for short to intermediate range communications F Fi ig gu ur re e 5 5 1 10 0 V Ve es ss se el l G Gr ro ou un nd dl le es ss s L Lo oo op pO OO OP The triangular loop antenna for sailboats is designed to operate in a ground less environment and still provide high performance This type of installa tion will require only one insulator point on the bottom backstay and an elec trical connecti...

Страница 27: ...band However loop anten nas can be very effective when mounted horizontally to the ground to radiate vertically and provide efficient short range communications on higher fre quencies Generally HF connections are difficult to establish in the distance range of 50 to 250 miles In a large room such as 20 x 30 we would recom mend the installation of a single wire loop antenna mounted on the ceiling w...

Страница 28: ... generally radiate their maximum lobe field strength at right angles to their plane This means that a large loop say 60 feet on a side mounted 20 feet above the ground would radiate much of its energy upward While during the day this would work well for close in communications longer distances would be achieved with the loop mounted vertically The vertical loop antenna of one quarter wavelength is...

Страница 29: ...Fi ig gu ur re e 5 5 1 13 3 R Re ec cr re ea at ti io on na al l v ve eh hi ic cl le e b bu us s o or r t tr ru uc ck k d de et ta ai il l F Fi ig gu ur re e 5 5 1 14 4 A Ai ir rc cr ra af ft t I In ns st ta al ll la at ti io on n D De et ta ai il l 29 1998 SGC Inc SG 230 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 or 1 8...

Страница 30: ...en and covert antennas The first group is the paramilitary user who will wish to operate from a res idence or commercial building without drawing attention to the fact that long range HF communication is in process The second class of covert antenna user and a larger group is the amateur radio community which finds itself more restricted almost daily by covenants building codes and tenant requirem...

Страница 31: ...specially if the feedpoint is at ground level adjacent to an iron or copper water line entering the house which will provide an excellent counterpoise E Along the edge of the roof held off by some inexpensive TV twinlead stand offs you can hide 25 to 40 feet of antenna on virtually any house F Under the roof overhang all kinds of wire antennas may be installed G Loop antennas installed on the insi...

Страница 32: ... ns s Over the course of nearly 30 years of HF SGC equipment has been used everywhere from camelback in the desert to Antarctic expeditions Along the way we have collected a number of tips to get maximum system perfor mance from your radio system when you are operating in a tactical or disas ter situation These tips by the way also apply when you go camping or are involved in amateur radio Field D...

Страница 33: ...s 9 Highway structures signs overpasses and bridges 10 Flag poles at public buildings schools and hospitals 5 5 8 8 T Ta ac ct ti ic ca al l G Gr ro ou un nd ds s a an nd d C Co ou un nt te er rp po oi is se es s Just as antenna opportunities abound so do ground and counterpoise opportu nities to the professional eye Some of our favorite examples which corre spond to the antennas above include 1 C...

Страница 34: ...round It is recommended that for a good ground 12 radials should be used and they be about 1 3 larger than the antenna length The number of radials can be reduced however you need at least one Efficiency pattern and radiation will decrease in proportion 3 Antennas will always perform better if the wire is of a large gauge Never use anything less than gauge 16 If gauge 6 is used an improvement of 6...

Страница 35: ...unts These antennas will not perform well between 1 8 to 10 MHz even though the coupler will load and tune the antenna whip A very high voltage of 15 to 30 000 volts RF will be applied to the antenna depending on the RF power level and frequency The inexpensive ball mounts for CB antennas are not designed for this stringent a purpose The use of an antenna system such as the SG 303 or SG 307 is hig...

Страница 36: ... radiation pattern and will provide equal performance in all directions 5 Horizontal wire antennas have maximum radiation broadside to the antenna when the frequency is less than 1 4 wavelength As the frequency increases beyond 1 4 wavelength lobes will appear in the radiation pattern with the principal lobes becoming closer to the plane of the antenna as the length increases At all times radiatio...

Страница 37: ...that the connections are cleared of all paint and dirt so that the shiny metal is exposed SGC always recommends that two grounding bolts with star washers be used to insure no ground resis tance is encountered Make sure that the grounding point is not insulated from other parts of the vehicle by non metallic couplings bushings fiber glass panels etc Modern vehicle assembly techniques which use spo...

Страница 38: ...e and so forth The idea is to get as much metal inside the vessel connected as possible Metal toe rails and life lines work well as do keel coolers on motor ized craft Here is a tip for attaching foil to keel bolts When a large keel bolt is exposed drill into the keel bolt and tap the hole for a suitable stainless steel machine screw Attach with suitable copper washers for a solid electrical conne...

Страница 39: ...joints or couplings in the pipe that will increase the resistance path to ground d The water pipe enters soil with good conductivity e A low resistance contact is made to the water pipe E Ea ar rt th h r re eq qu ui ir ri in ng g a a c co ou un nt te er rp po oi is se e Frequently the ground conductivity will not suffice to provide satisfactory operation of the coupler almost certainly the case wi...

Страница 40: ...oose a location immediately adjacent to the antenna feed point In trunk mounted mobile installations it is very important that the tuner is located so that the antenna insulator is within a few centimeters of the antenna exit hole Note also that the antenna lead must pass through an insulated bushing High volt age connecting cable must be used RG 8U cable with solid insulation may be used if the o...

Страница 41: ...n box J 504 Remote control head or multiple head junction box Head mounted on radio is normally connected here Ext SPK External Speaker active only if control head is attached to chassis Oven Turns oven On Off Shipped with oven ON as default S SG G 2 20 00 00 0 T TO O S SG G 2 23 30 0 C Co ou up pl le er r C CO ON NN NE EC CT TI IO ON NS S 7 7 2 2 O On n A Al ll l R Ra ad di io os s The SG 230 req...

Страница 42: ... f fo or r e ex xt te er rn na al l u us se e The only necessary connections to the SG 230 Antenna Coupler are 12 VDC power supply Optional 24 VDC and RF coaxial cables In addition a tuned LED indicator may be connected externally to the RMT TND line for visual Coupler Tuned recognition LED must be connected in series with 4 7K 1 Watt resistor if the input power source is 24 VDC as indicated in th...

Страница 43: ...e ec ct ti io on n f fo or r t th he e o op pt ti io on na al l 2 24 4 V VD DC C u un ni it t A remote LED indicator in the above schematic represents a simplified config uration It does not take into account the normal cable hook up between the internal connector of the coupler TB1 and the optional external four pin con LUG HV INSULATOR SGÐ230 COUPLER SMARTUNER LUG GND BOLT WATERPROOF BOOT UHF CO...

Страница 44: ...g is encountered the use of a strain insulator is desirable The ground system should be connected to the 1 4 inch stainless steel stud pro truding from the bottom of the housing Connection to the ground system is of extreme importance for a successful installation Ground runs of over a few inches should be made from 4 inch wide copper strap or larger The actual ground system should be as good as p...

Страница 45: ... above should be repeated The SG 230 should immedi ately sense the mismatch and switch to the tune mode to retune the antenna system Since the algorithm must search through more possible values of L and C to find an appropriate combination at the lower frequencies the tune cycle may take longer A few spoken words should achieve an all tuned indi cation The SG 230 installation and tune up is consid...

Страница 46: ...wo may be paralleled if necessary and adapters as shown in the diagram In a real emergency you can simplify this arrange ment to suit the materials that you have on hand 1 The light bulb test is used to verify basic operation of the transmitter and antenna coupler The lamp will present a load to the transmitter and antenna coupler that is similar to an antenna This test will provide a visual indic...

Страница 47: ...cted to the appropriate connec tor If you are not sure about this refer to your equipment manual You may use FM or AM instead if necessary 2 Check the voltage at the transceiver DC power terminals Also verify that there is at least 12 volts available at the antenna coupler 3 You can check the SSB output of your transceiver by speaking into the microphone The lamp will not be as bright as in CW Thi...

Страница 48: ...how to test the SG 2000 HF Radio and optionally the SG 230 Coupler This test can be modified and adapted to work on any other radio E Eq qu ui ip pm me en nt t R Re eq qu ui ir re ed d SG 2000 Radio or any HF SSB and AM FM Transmitters SG 230 Coupler optional AC to UHF Connector Cable see figure below AC to Alligator Clips Cable needed with Coupler see figure below Light Bulb to AC Adapter see fig...

Страница 49: ...B mode 12 Key push to talk switch on microphone and talk into the micro phone Observe the light bulb comes on when you talk C Co ou up pl le er r T Te es st t P Pr ro oc ce ed du ur re e 1 Connect coupler to the radio and disconnect antenna from coupler 2 Connect AC to Alligator Clips Cable to the SG 230 antenna jack 3 Screw light bulb into AC Adapter 4 Plug AC Adapter and light bulb into AC to Al...

Страница 50: ...ed and on TB1 and an appropriate antenna and ground system are connected to feed through insulator and stainless steel stud respec tively The ALL TUNED flag line on TB1 is connected to the remote indicator device if used 7 7 9 9 T TU UN NI IN NG G P PR RO OC CE ES SS S There is an array of detector devices in the SG 230 which monitor the antenna system impedance reactance signal and the VSWR load ...

Страница 51: ...from the summing network Similarly a LOW line impedance will result in more output from the current sensor resulting in a net NEGATIVE output voltage from the summing net work The summing network output is applied to IC 15A which operates as a ground referenced comparator Low impedance is indicated by DS2 7 7 1 11 1 V VS SW WR R D DE ET TE EC CT TO OR R A directional coupler is made up of a curren...

Страница 52: ...CMOS MC146805E2 CPU which features a versatile instruction set and on chip timer and RAM The antenna coupler relays are controlled through 1C9 a MM5480 decoder driver The MM5480 is used as a serial to par allel interface port and the clock and data inputs of the MM5480 are driven from CPU ports PA1 and PA0 respectively During operation data is trans ferred into the CPU under program control from t...

Страница 53: ...mply searching for the desired input port lacking any applicable pre stored data Since the comparators effectively preprocess the desired data to read any specific variable the CPU need only look at the required port for the desired variable 7 7 1 16 6 S ST TO OR RI IN NG G M ME EM MO OR RY Y When it is necessary for the associated RF tuner parameter to be changed it writes the desired data into t...

Страница 54: ... caution to insure that the waterproof seal is carefully placed prior to refitting the coupler cover Setting J 2 to the YES position is recommended if you are using a radio for split band communications scanning selective calling protocols or for ALE Automatic Link Establishment T Th he e d de ef fa au ul lt t T TU UN NI IN NG G E EL LE EM ME EN NT TS S O OU UT T O ON N R RC CV V n no o Jumper J 3...

Страница 55: ...e e e e n n B Bl la ac ck k W Wh hi it te e w wi ir re e R Re em mo ot te e t tu un ne ed d i in nd di ic ca at to or r l li in ne e W W h h i i t t e e R Re ed d W Wh hi it te e w wi ir re e T Tu un ne er r l lo oc ck k r re es se et t l li in ne e B B l l a a c c k k B Bl la ac ck k G Gr ro ou un nd d O OP PT TI IO ON NA AL L S SM MA AR RT TL LO OC CK K S SC CH HE EM MA AT TI IC C D DI IA AG GR ...

Страница 56: ... whenever forward power is present In addition to sampling VSWR to determine if the coupler should re tune frequency comparison is employed This causes the coupler to tune when ever the transmit frequency changes independent of the VSWR reading Extensive tuning algorithms are used to test and verify different antenna situations Initially the first tuning cycle will require several hundred SGC Inc ...

Страница 57: ... GR RA AM M D DE ES SC CR RI IP PT TI IO ON N When DC power is applied the computer initializes the processor registers in accordance with the hardware 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 When RF power is verified the computer will perform a test to verify forward power is present If no forw...

Страница 58: ...s will blink on and off all tuning elements will be removed and the tuner will go into a 20 second time delay During this time delay the transmit frequency is monitored Should a change in frequency occur the tuner will revert to the beginning of the interrupt segment of the program and attempt to tune the new frequency If the tuner achieves a good VSWR during the tuning sequence the program branch...

Страница 59: ...n 25 µh steps each time normalizing the input impedance with input capacitance 4 When the VSWR goes below 4 1 the computer will retain the data it determines is less than 2 1 until input impedance is no longer low or VSWR climbs higher than 2 1 The previous data is then tested once again to verify validity 5 At this point the tune indicators are engaged The current relay data is saved if J 3 is se...

Страница 60: ...is normally the case Further detailed description however is beyond the scope of this publication The actual program is copyrighted and is not available 9 9 5 5 J J 2 2 T Tu un ni in ng g e el le em me en nt ts s o ou ut t d du ur ri in ng g r re ec ce ei iv ve e F FA AC CT TO OR RY Y d de ef fa au ul lt t S SE ET TT TI IN NG G N NO O Y Y E E S S In this position the software will retain data requ...

Страница 61: ...orized in this mode Obvious disadvantages include a difference in frequency too small for the computer to detect This would result in recall of valid data that may not necessarily present the best match It is suggested to start with J 3 in the YES position If operation is as expected don t change it Note You cannot re tune any information from the memory if the memory has not been previously loade...

Страница 62: ...ro Tune Lock function thus forcing the coupler to retain correct settings You may simply change the ground system so that it becomes larger than the antenna at the problem frequency D Di if f f fe er ri in ng g r re es si is st ta an nc ce e The third kind of ground fault which we encounter occurs when a ground system and an antenna have very different electrical resistance This happens when you i...

Страница 63: ...et us reiterate The Smartuner was not designed to feed a piece of coax S St tr ra ay y g gr ro ou un nd d c ca ap pa ac ci it ta an nc ce e Stray ground capacitance is the next largest cause of malfunctioning installations 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 Wire running parallel to a grounded surf...

Страница 64: ... pro duct you may from time to time find an antenna length which just wonÕt quite work right Generally this occurs when the Smartuner is having a tough time making up its mind about which of two tuning solutions is better If it is a very close call you can have an antenna which causes cycling and just won t stay locked The solution in such cases is to add or subtract a couple of feet of wire from ...

Страница 65: ...hanging the radio location and orienta tion has changed the symptoms But if you want quality performance select a solid radio P Po ow we er r s su up pp pl ly y Power supplies have been known to cause problems for HF users because they change voltage when the load on them changes If the transmitter is drawing heavy current as transmitters do when they are run ning at peak input power the voltage t...

Страница 66: ...mage by fire smoke or water 4 There is no warranty coverage for any of the following a costs of removing or reinstalling the product when submitted for warranty service b incidental consequential or exemplary damages arising from any defect or failure of the product except to the extent that applicable state law may not allow exclusions or limitations on such damages in which case this exclusion m...

Страница 67: ...998 SGC Inc SG 230 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 or 1 800 259 7331 E mail sgc sgcworld com Web site http www sgcworld com ...

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Страница 72: ... purchased in a package configuration please refer to the coupler and antenna manuals for their packing lists of the items supplied QMS Installation Instructions The QMS Quick Mount System antenna and coupler system can be mounted in virtually any location convenient to the user Some consideration may be given however to the items listed below Installation Considerations 1 Locate the QMS system as...

Страница 73: ...ar r d de ec ck k o of f a a s se ed da an n 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 1998 SGC Inc Appendix QMS System QMS Universal Mount System Suction cups 4 SG 303 antenna See Inset QMS Antenna Tuner Mounting System for Your SSB SG 235 Coupler instal...

Страница 74: ... enclosure mounts in virtually any attitude and the straps can be moved to either side of the enclosure to accommodate the vehi cle see Figures A 1 A 2 and A 3 for typical installations F Fi ig gu ur re e A A 2 2Ñ ÑS Si id de e v vi ie ew w o of f Q QM MS S i in ns st ta al ll la at ti io on n o on n t th he e s si id de e o of f a a s sm ma al ll l v va an n A 3 1998 SGC Inc Appendix QMS System S...

Страница 75: ...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 1998 SGC Inc Appendix QMS System SHEETS OF PAPER WILL PREVENT SUCTION CUPS FROM BECOMING RE ATTACHED DURING PLACEMENT OR REMOVAL CUP CUP CUP CUP BOTTOM QMS DETAIL SUCTION RELEASE TAB SUCTION CUP RUBBER ENCAPSULATED RING SG 303 ANTENNA SYSTEM ...

Страница 76: ...r clip which secures your SG 303 antenna when not in use mount the unit in a location where the tip of the SG 303 antenna is easily accessible for threading through the ÒOÓ ring Failure to thread the SG 303 antenna could result in damage both to the antenna and to your vehicle 7 When the QMS system is securely fastened to your vehicle route the control cable to your transceiver Any 150 watt PEP 50...

Страница 77: ...onnection to the battery system of your radio use a heavy gauge wire not less than six gauge Never use your chassis ground return for your negative line connection D Do oi in ng g s so o w wi il ll l c ca au us se e y yo ou u t to o l lo os se e t to oo o m mu uc ch h i in n l li in ne e v vo ol lt ta ag ge e a an nd d p pi ic ck k u up p u un n n ne ec ce es ss sa ar ry y e el le ec ct tr ri ic c...

Страница 78: ...devices incorporated into the QMS it is important to observe two important rules Surfaces must be cleaned prior to installation to prevent scratching Surfaces must be protected during removal to prevent marring E El li im mi in na at ti in ng g D Da am ma ag ge e t to o P Pa ai in nt te ed d S Su ur rf fa ac ce es s The suction cups on your QMS are of extremely high quality They will provide excel...

Страница 79: ...own The vehicle should move up and down but the QMS should not If the QMS moves and the vehicle does not increase the tension on the QMS straps R Re em mo ov vi in ng g t th he e Q QM MS S Wash the vehicle in the area around the suction cups before removing This will reduce any chance of surface marring Release suction by applying a rolling sideways motion to the tabs on the suction cups as shown ...

Страница 80: ...ri in ng g Y Yo ou ur r Q QM MS S To store your QMS unit for long periods of time apply a thin coating of talcum powder to the suction cups This treatment increases the life span of rubber products A 9 1998 SGC Inc Appendix QMS System 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 ...

Страница 81: ...31 Smartuner automatic antenna coupler SG 307 extended full range antenna and weather resistant QMS 7 package 1 to 60 MHz continuous instant tuning while you drive Rated for use on moving vehicles at up to 75 miles 120km per hour 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 SGCMKTG aol com Web site http www sgcworld com Copyright June 1997 S...

Страница 82: ...ice or CW Length 7 ft including adjustable ratchet mount and spring Equivalent 23 foot antenna Design helically wound The QMS 7 Antenna Coupler System QMS 7 SG 231 Smartuner SG 307 Antenna 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 SGCMKTG aol com Web site http www sgcworld com Copyright June 1997 SGC Inc SGC reserves the right to modify s...

Страница 83: ...97 SGC Inc QMS b2 cat 55 47 includes the SG 230 200W 1 8 to 30 MHz SG 303 9 ft antenna QMS b3 cat 55 48 includes the SG 235 500W 3 0 to 30 MHz SG 303 9 ft antenna QMS a7 cat 55 49 includes the SG 231 100W 1 0 to 60 MHz Includes VHF bands SG 307 7 ft antenna QMS 7 not shown 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 sgcwo...

Страница 84: ...al exterior QMS mounting package comprise the QMS Mounting coupler and antenna outside the vehicle reduces engine noise and interference It can be quickly installed and easily moved from vehicle to vehicle No drilling or vehicle modifications are required Industrial suction cups secure the QMS to the vehicle without damaging the finish and high strength straps and buckles complete the job and give...

Страница 85: ...e SG 303 stands up to the wind loading at highway speeds as well as to rain ice and the occasional tree branch The SGC line of antenna couplers the famous SGC Smartuners packed into a sturdy case mount on the vehicle as close as possible to the antenna lead through Each one gives almost any HF SSB a major boost in range and clarity The Smartuner intelligently tunes any length antenna No preliminar...

Страница 86: ...ommunications SG 303 Specifications HF Frequency Ranges 1 8 to 30MHz Maximum Output Power 3 to 500 watts PEP voice or CW Dual Frequency Resonance at 12 and 22 MHz Antenna structure Two sections 50 inches each Mount high voltage insulated 4 way stainless steel ratchet mount Base heavy duty rubber encapsulated spring mount Feed through high voltage wall feed through bushing hole 890 in Cable 3 ft hi...

Страница 87: ...ce and guaranteed product reliability a lifetime warranty is provided with the SG 307 antenna S SG G 3 30 07 7 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 SGCMKTG aol com Web site http www sgcworld com October 1997 SGC Inc SGC reserves the right to modify specifications without notice No Compromise Communications 7 7 F Ft t M MA AR RI IN NE...

Страница 88: ...SGC Inc P O Box 3526 Bellevue WA 98009 USA Tel 425 746 6310 Fax 425 746 6384 E mail SGCMKTG aol com Web site http www sgcworld com No Compromise Communications Mounting coupler and antenna outside the vehicle reduces engine noise interference and eliminates feed loss It can be quickly installed and easily moved from vehicle to vehicle No drilling or vehicle modifications are required Industrial su...

Страница 89: ... replaceable by any standard cable RMT tune and Smartlock wire Catalog Number 54 12 Under certain limitations No Compromise Communications 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 SGCMKTG aol com Web site http www sgcworld com 1 800 259 7331 November 1997 SGC Inc QMST M Automatic Antenna Coupl...

Страница 90: ... with a number of attractive options including a shock mount for mil itary and extreme applications plus a 24 VDC option For maximum range clarity and flexibility with just about any HF SSB the SG 230 Smartuner is your smartest choice S SG G 2 23 30 0 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 s...

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