Realistic 201-103 User's Manual
Contents
1. POCKET SCAN 2 VMF 30 80 019 188 144 174 fr UME 050 470 870 892 Miz REA LISTIC CUSTOM MANUFACTURED FOR RADIO SHACK M a DIVISION OF TANOY CORPORATION mi Your Realistic Pocket Scan AM FM Monitor Receiver lets you follow the action bands wherever you go This compact unit scans any six frequencies in the VHF LO Aircraft Hi and UHF Bands You can listen to public service communications VHF and UHF band police fire civil defense radio telephone forestry and weather service plus many other industrial radio services aircraft and the 2 meter ham radio band These and many other services share frequencies from 30 to 50 MHz 118 to 136 MHz 144 to 174 MHz and 450 to 512 MHz Just obtain the correct crystals for the channel s you wish to monitor and plug them in Your Radio Shack salesperson can help you determine which crystals to buy for your needs and interests The PRO 22 has many special internal features you can t see from the outside but they sure make a difference in the performance e Sensitive dual conversion superheterodyne circuit One crystal filter and one ceramic filter for superior selectivity Built in scan delay so you don t miss replies to calls Stable and dependable solid state circuitry including 5 ICs 16 Silicon Transistors 19 Diodes and 6 LEDs And there are plenty of convenience features too e Selectable automatic or manual scanning e Individual channel lockout switches so you can ski2. c V dit 1 2 Y 3 uU pui x AO PEO un a 92 1 61NSZ 90 0 aly MS 80123135 ONVE AJGINSZ tO Bb2H 20 110 00 929 tse rC 02 11 52 1 129 019 i I he E m 950 1 189 l Es NOOI 1018 E e P En Y m 4 3F Ye 8s W ZeO 892 X00 Gam ge 995 6181952 b10 ecu dos no dos MI 3 i00 229 m 2200 222 AGIBIDS2 110 66H Jet 098 2199 198 O VOLNASZ 10 ED 42 Pu E 8S4 3p is best to remove the batteries BLOCK DIAGRAM Also never leave weak or dead batter Adve buo er o 90 9 xovr uma ero LIOA 9 LA JNNTOA JOHLNOO OIONV 7 d H9713N0S zu L feat e CO1X09 gt PS ED CO TAA 40S5dW 10 dISCEON 1 3 P SL S02 ioo L bd MALO ES OlL Lay qa wWOLe seu 00261252 010 A 609S2 20 0 2612S2 10 wave INv ir yO 2 499 t Y i A Ltd 9 yIdAdIAS ANY dNV J3addnags 61 810 S 91 YOLWyINIO ONINNVOS St OLMS HOLIMS JANNVHO Sc 0 0 AV1dS10 3NNYHO9 fol 4300930 910 SLO 9H LH 9 AW130 ANY 980 1901 13920S E S3 83 LLV8 JOULNOD NYS 1s WLSAHO 2 gOS 1 1 HOLIMS H3MOd e ET 60 HSIN LINN 9
3. 5 Integrated Circuits 16 Silicon Transistors 19 Diodes 6 Light Emitting Diodes LED s 2 b cm 16 ohm Permanent Magnet dynamic type Telescopic and flexible type CRYSTAL REQUIREMENTS Standard HC 25 U 3rd overtone PREPARATION FOR USE To use your POCKET SCAN you must do three things Install the batteries Connect one of the antennas supplied Install 1 to 6 crystals To install the batteries position the Receiver as illustrated press in the EX mark and slide the BATTERY CRYSTAL COMPART MENT COVER off Take out the BATTERY HOLDER Insert four fresh AA batteries one at a time making sure the polarity markings inside the HOLDER match up to and to with markings on the batteries We recommend that you use rechargeable Nickel Cadmium AA bat teries Radio Shack Catalog Number 23 125 or AA Alkaline ENERCELLs Catalog Number 23 552 CRYSTAL FLEXIBLE ANTENNA TELESCOPIC ANTENNA BATTERY CRYSTAL COMPARTMENT COVER Two antennas are provided with the PRO 22 a flexible rubber duck antenna and a telescoping one The flexible antenna is for use in cramped areas or wherever a longer antenna would get in the way The telescoping antenna is for obtaining the very best possible recep tion from your receiver The telescoping antenna must be extended fully for proper operation Crystals are not included with your POCKET SCAN because the frequencies are so numerous The frequencies used in yo
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5. 5 kHz apart from 454 375 to 454 625 and then every 50 kHz up to 454 95 As a general rule on VHF most activity will be concentrated between 153 785 and 155 98 and then again from 158 73 to 159 46 MHz Here you ll find local government police fire and most such emergen cy services If you are near a railroad yard or major railroad tracks look around 160 0 to 161 9 for them You can listen to communications between aircraft and airport control towers in the 118 136 MHz range In some of the larger cities there has been a move to the UHF bands for these emergency services Here most of the activity is in a spread of 453 025 453 95 and again at 456 025 459 95 MHz In the UHF bands the overall spread of 456 025 459 95 and again at 465 025 469 975 MHz is used by mobile units and control stations associated with base and repeater units which operate 5b MHz lower that is 451 025 454 95 and 460 025 464 975 MHz This means that if you find an active channel inside one of these spreads you can look 5 MHz lower or higher as the case may be to find the major base station repeater for that radio service If you live near the coast or the Great Lakes another interesting service is Marine Radiotelephone operates in the frequency range of 156 to 158 MHz Some of the more interesting frequencies are 156 8 MHz for calling and distress signals 156 3 MHz for intership safety plus search and rescue 157 1 MHz U S Coast Guard Liai
6. E ABLE TO MONITOR Your community is alive with action action which is constantly being reported on the airwaves And your PRO 22 will automatically scan the airwaves to bring you that action your police force at work a fire truck on a mission aircraft Ham Radio operators high way and other emergency type services some industrial services some transportation services taxi trucks railroad plus some Government services Lots of things are going on that most of us just are never aware of But with the right frequency crystal s in your PRO 22 you can monitor such exciting signals You ll have to do a little investigat ing in your community to find out what services are active and on what frequencies What to listen for and where That is a little difficult for a specific answer Each area of the country can and will use different fre quencies All we can do is give you some general pointers and let you take it from there 41 Find out if there is a local club which monitors these frequencies Often a local electronics repair shop that does work on the equipment can give you the channel frequencies used by local radio services A volunteer police or fire employee can also be a good source of this information An interesting service is the Mobile Telephone FCC has assigned this service channels in the range of 152 51 to 152 81 MHz at every 0 030 MHz channels are 30 kHz apart Also 454 375 to 454 95 MHz with channels 2
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8. ck out Switches to the off position down or away from the LED indicator If you want to stay tuned to one channel only set the Selector Switch to the center position stop scanning and then press to the MANUAL position momentarily to advance to the channel you want to listen to as indicated by the LED above that channel switch For MANUAL scanning the receiver can be either squelched adjusted as previously indicated or unsquelched SQUELCH control set to extreme left For AUTOMATIC scanning SOUELCH must be set to eliminate the background noise 10 MAXIMUM SENSITIVITY RANGE This Receiver will function very adequately from 30 50 118 to 136 144 to 174 and 450 to 512 MHz but with reduced sensitivity at the upper and lower extremes For maximum sensitivity on the VHF Lo band the channel frequencies you choose should be within 3 MHz of 40 MHz that is in the spread of 37 to 43 MHz For the VHF Aircraft band stay within 3 MHz of 127 MHz 124 to 130 MHz for VHF Hi 4 MHz of 153 MHz 149 to 157 MHz and for UHF 15 MHz of 480 MHz that is 465 to 495 MHz The superior recep tion spread of 6 6 8 or 30 MHz 3 3 4 or 15 MHz can be moved up or down in either band of frequencies by special realign ment of the front end circuitry of this Receiver which should be attempted only by qualified Electronics Service Technicians who have adequately calibrated precision test equipment TYPES OF SIGNALS YOU LL B
9. control is to eliminate annoying background noise between signal transmissions When properly set SQUELCH will keep your PRO 22 silent until a signal comes in on the channel s you are listen ing to then the Squelch circuit will open and you ll hear the signal MANUAL Selector Button when the SCAN MANUAL button is in the MANUAL position use this button to advance the Receiver to the next channel in sequence Each time you press this button the Receiver will advance just one channel SCAN MANUAL Switch is for determining the function of the scan ning feature In the SCAN position each channel will be scanned automatically In the MANUAL position the PRO 22 will not scan but will remain tuned to the channel indicated by a LED Channel Indicator Channel Lock Out Switches let you activate the six channels individ ually When a switch is up next to LED that channel will be scanned for messages in either automatic or manual mode when switch is down that channel will be skipped locked out by the scanner When a channel is vacant no crystal plugged in or when you don t want to monitor that channel leave its switch down Otherwise leave the switches in the up position LED Channel Indicators show which channel is currently being scanned or monitored Each channel indicator will light up for an instant as it is scanned if there is a message on that channel the LED will remain lit until message is over an
10. d scanning resumes Locked out channels will not be scanned therefore their indicators will not light up EARphone jack is for plugging in the earphone Use it for private listening or in areas where background noise is excessive in factories at the scene of an accident or fire in a vehicle etc Plugging in the Earphone disconnects the PRO 22 s internal speaker ANTenna jack is for connecting an antenna to the PRO 22 You can use either the telescopic antenna or flexible antenna provided A Belt Clip is provided so you can attach the PRO 22 to your belt or other convenient place Channel Lock Out Switch LED Channel indicators cme 2 T T T oT p ESTER FER ANTenna Jack MANUAL Selector PAI c EARphone Jack Button a COEF 2a LL EA AM i SCAN MANUAL Switch OFF VOLUME Control SQUELCH Control ince a Belt Clip Crystal Compartenent Sr External Power PWR Jack Recharger f CHG Jack Battery Campartment Battery Compartment holds the internal power source 4 type AA batteries Crystal Compartment contains crystals selected for operation External PoWeR Jack lets you connect an external source of 6 volts DC negative ground for operation without batteries To recharge Nickel Cadmium batteries in the receiver simply plug an external 6 volt DC power source into the CHG JACK To fully charge Ni Cads leave them on charge for 10 18 hours NOTE The Recharge CHG jack is t
11. o an external 6 volt DC power supply check the voltage polarity Attempting to operate the negative ground PRO 22 from a positive ground electrical system may damage it The Radio Shack Warranty does not apply to any damage caused by improper power connections or other damage caused by misuse or neglect SPECIFICATIONS CHANNELS OF OPERATION FREQUENCY RANGE FREQUENCY COVERAGE SENSITIVITY SELECTIVITY MODULATION ACCEPTANCE I F FILTERS SQUELCH SENSITIVITY SCANNING SPEED DELAY TIME AUDIO POWER Six as determined by any one of 6 crystals operating in the frequency range 30 to 50 MHz 118 to 136 MHz 144 to 174 MHz 450 to 470 MHz 470 to 512 MHz VHF Lo 6 MHz for maximum sensitivity 40 MHz 3 MHz VHE Aircraft 6 MHz for maximum sensitivity 127 MHz 3 MHz VHF Hi 8 MHz for maximum sensitivity 153 MHz 4 MHz UHF 30 MHz for maximum sensitivity 480 MHz 15 MHz Better than 1 uV at FM Band and better than 2 uV at AM Band for S N N 20 dB 6 dB 9 kHz 50 dB 15 kHz 7 kHz 10 7 MHz and 455 kHz 10 7 MHz Crystal Filter and 455 kHz Ceramic Filter Variable from less than 1 uV at FM Band and less than 2 u V at AM Band 6 Channels seconds 1 to 3 seconds 200mW POWER REQUIREMENTS SEMICONDUCTOR COMPLEMENT SPEAKER ANTENNAS 6V DC four AA batteries or a suitable adapter negative ground only Current drain 45 mA Squelched 130 mA full volume unsquelched
12. o be used only when Nickel Cadmium batteries are installed in the receiver Also do not attempt to operate the unit while recharging Ni Cads OPERATION After batteries crystal s and antenna telescopic or flexible have been installed your PRO 22 is ready to use Turn Power on by rotating VOLUME to the right Rotate SOUELCH to the minimum position by rotating to the left Set all the Channel Lock out Switches on in the up position toward the LED indi cators You should hear a rushing sound from the speaker Rotate SOUELCH toward the right until the background noise abrupt ly stops You can t adjust SOUELCH properly while listening to a station so wait until signals cease If you set SOUELCH correctly the PRO 22 will appear dead until a signal comes in when a signal comes in the Squelch circuit will open up and you ll hear the signal When the signal ceases the Squelch circuit will close and cut out all sound until the next signal comes in If you want the PRO 22 to continuously scan the channels for which you have crystals installed you must adjust SOUELCH as previously instructed then set the Selector Switch to the SCAN position The PRO 22 will constantly scan each channel in sequence when a signal appears on one of the channels the receiver will lock onto that channel and you will hear the signal If you do not want automatic scanning on one or more channels switch their Channel Lo
13. p over any channel s you re not interested in monitoring e LED channel indicators e Two screw in antennas one short for convenient use anywhere the other longer for best reception e Earphone and earphone jack for private listening e Recharger jack for use with Nickel Cadmium batteries and an optional external power source 6 volts DC negative ground e External power jack so you can operate your Pocket Scan from an external source of 6 volt DC negative ground power For your own protection we urge you to record the Serial Number of this unit in the space provided You ll find the Serial Number on the back of this unit RADIO SHACK LIMITED WARRANTY This equipment is warranteed against defects for 1 year from date of purchase Within this period we will repair it without charge for parts and labor Simply bring your sales slip as proof of purchase date to any Radio Shack store Warranty does not cover transporta tion costs Nor does it caver equipment subjected to misuse or accidental damage This Warranty gives you specific legal rights and you may also have other rights which vary from state to state We Service What We Sell WARNING Your PRO 22 is designed to operate from four penlight AA batteries connected in series or an external source of 6 volts DC negative ground If it fails to operate and there is no clear reason for the failure first check the batteries Before you try connecting the PRO 22 t
14. r Catalog Number 270 1561 is a power adapter for plugging into a cigarette lighter socket in your vehicle and providing either 6 or 9 volts DC positive or negative set for tip positive This will permit you to use the PRO 22 in your car or truck without wearing down your batteries This adapter can also be used with either CHG jack to recharge Ni Cads or with the PWR jack MAINTENANCE The PRO 22 is a ruggedly built electronic unit with all parts con servatively rated However you should treat it with care don t subject it to excessively rough handling You will find it will give you long life if kept free from dirt and excessive humidity If the sound becomes weak and distorted it is time for new batteries We recommend Radio Shack Alkaline batteries Catalog Number 23 552 Or use our ENERCELL rechargeable batteries 23 125 you can recharge them hundreds of times You can charge them while 13 just connect 20 189 to the CHG jack Or you can charge them out of the unit by using our 270 1501 If you do not intend to use the PRO 22 for a few weeks 1 the un In 32110N LNOHLIM 1N3N3A0UdW YO4 JONVHIOL 123 8n5 JYV SLUVd 1N3NOdMOO 3O H3HWON 3dA1 YO 5NIJVU NO 1V83d0 ONVO JHN O3 39V1 104 S310N30 L1 NOI 1V83d0 ONVG HOIH 803 39V110A S310830 C NOILVU3d0 ONYE 138281V 803 39VI10 S310N3G C MID HI13NDS ONV WONINTH LV 3A0710 NOLLVH3dO IVANVA 1154 82 LNOHIMONVO MOT IHD SNOILIONOD DNIMOT104
15. son 156 425 MHz non commercial ship to ship ship to coast coast to ship Other frequencies may be of special interest check with local Coast Guard offices uu a c NATIONAL WEATHER SERVICE RECEPTION Continuous weather broadcasts are transmitted 24 hours a day in many parts of the country If you are using a crystal set to one of the three channels assigned 162 55 162 40 or 162 475 MHz your PRO 22 will automatically lock in on that channel since the broad casts are continuous To prevent automatic locking set the channel lock out switch for that channel to the off position down When you want a weather report set the Lock Out Button to the on position up for that channel Check with your local FCC office or the National Weather Service to find out which of the three fre quencies 162 40 162 55 or 162 475 MHz is used in your area ACCESORIES Your PRO 22 can be powered from any source of 6 volts DC negative ground by connecting the external power source to the PWR jack Using an AC adapter will save on batteries so if you intend to use the PRO 22 in a location where 120 volts is readily available and it does not need to be moved around consider an adapter Radio Shack has two power adapters which you might be interested in Catalog Number 20 189 is an adapter for 120 volts AC specifically designed for Radio Shack s Pocket Scanners It provides 6 volts DC and can be used either as a Charger or an AC Adapte
16. ur part of the country will be different from those used in other areas Your Radio Shack Store Manager will advise you as to what frequencies are most used and help you in your selection of crystals Insert crystals into the crystal socket You can install up to 6 crystals set the band selector switch for each crystal socket to either VHF Lo Aircraft Hi or UHF Follow the illustration below for proper installa tion of each crystal For VHF Lo set the band selector switch to L marked L on printed circuit board For UHF set the band selector switch to U marked U on printed circuit board In the example shown Channel 1 wil be used with a VHF Aircraft crystal and Channel 6 will be used with a UHF crystal TOP SIDE 3 2 1 6 5 4 4 O 0 0 Oo Oo oO ki l Eee E BAND SELECTOR SW iem 6 5 4 a 2 1 A VHF AIRCRAFT BAND L VHF LOW BAND H VHF HIGH BAND U UHF BAND Since crystal frequencies must be extremely accurate and crystals should be matched for specific units we recommend you obtain crystals for your POCKET SCAN only from Radio Shack Be sure to specify the Catalog Number and Model description of your Monitor Receiver We can not be responsible for the poor or im proper operation of crystals from any other manufacturer CONTROL LOCATIONS AND FUNCTIONS OFF VOLUME is the power switch and volume control When not in use rotate this control to the left to turn unit off SQUELCH
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