Realistic Pro-38 User's Manual
Contents
1. WARRANTY TandyAnterTAN offer the following guarantee on this product Any defect discovered within 1 Year from date of purchase from any Tandy store or dealer will be repaired 9 without charge for parts or labour or at Jandys option replaced or the purchase price re eS Simply retum the equipment with your sales receipt as proof of Purchase to any Tandy K store or dealer This guarantee does not cover any defect caused by misuse or accidental 8 i nor does it cover any cost of delivery or collection Your sales receipt is all you need to obtain this FREE SERVICE i ieS g This guarantee gives you specific legal aes is additional to any statutory rights you fh may have j Important Notice to Users Use of scanners must conform to the require ments of the law of the country where utilized Always check that your intended use is legally permitted InterTAN UK Ltd cannot be held responsible for illegal use of scanners CUSTOM MANUFACTURED FOR TANDY INTERTAN INTERTAN AUSTRALIA LIMITED TANDY UK INC IN N S W BILSTON ROAD 91 KURRAJONG AVENUE WEDNESBURY MT DRUITT WEST MIDLANDS N S W 2770 WS10 7JN AUSTRALIA ENGLAND 9A7 UBRS01106DC SK Printed in The Philippines 7 PRO 38 HANNEL DIRECT ENTRY OWNER S MANUAL RAMMABLE SCANNER Please read before using this equipment TRADEMARKS OF TANDY CORPORATION Cat No 20 9139 QKFREALISTIC INTRODUCTI2. Frequencies in the VHF bands are in 5 kHz steps In the UHF bands they are in 12 5 kHz steps The scanner automatically rounds the frequency to the nearest valid number Example If you enter 151 473 MHz the PRO 38 accepts this entry as 151 475 472 337 6 MHz becomes 472 337 5 MHz automatically The final digit to the right of the decimal does not appear on the display After you program all the desired frequencies slide the KEYLOCK switch to IN to prevent accidental entries VOLUME AND SQUELCH Rotate the VOLUME contro to turn on the PRO 38 Rotate SQUELCH counterclockwise until you hear a rushing sound If you do not hear this noise turn the VOLUME control to increase the sound Then slowly rotate SQUELCH clockwise only until the noise stops Note Your PRO 38 will not scan if SQUELCH is set so that you can hear a rushing sound between transmissions SCAN When you press SCAN your PRO 38 autornatically scans all the programmed channels and stops whenever it finds a signal 14 TEEN MANUAL You can manually operate the PRO 38 in one of two ways adv ance sequentially through the channels by pressing MANUAL repeatedly or move directly to a channel by entering the channel number on the keypad and pressing MANUAL Channeis that might be locked out in the scan mode are accessible in the manual mode REVIEW FREQUENCY CHANNEL KEY After you have entered a channel number on the keypad pressing REVIE
3. 178mm x 2 5 8 67mm x 1 3 8 35mm mm HWD WEIGHT 0 7 ibs 298 g 19 BEFORE YOU CALL FOR HELP The frequencies stored in the PRO 38 memory can be held for approximately 30 minutes without AA batteries or adapter Check memory contents after replacing batteries If you have problems We hope you don t but here are some suggestions TROUBLE CHECK Unit does not turn on no power Batteries are not correctly Batteries are dead replace installed check to be sure the and terminals are properly aligned with new ones No reception poor reception Antenna is not correctly Environment is not suitable for Frequencies are not properly Batteries are weak or dead installed check connector scanner relocate unit and try again programmed check and re program replace with new ones E appears in display I Programming error check frequency and try again Beep tone sounds every 1 15 30 seconds Batteries are low in power replace with new ones Keypad does not work 1 cannot program Keypad is locked check and turn KEYLOCK switch out If none of these suggested remedies solves the problem return your set to your nearby Tandy for 18 assistance We recommend that you use our alkaline ENERCELLs Cat No 23 552 Or with the adap
4. can hear sound of any kind Do not attempt to use SQUELCH or VOLUME until after you enter a frequency Unpack your unit carefully and check the contents for all compo nents the scanner the belt clip the flexible antenna and the battery holder Read this manual carefully for complete instructions and fullest enjoyment of your PRO 38 1987 InterTAN LTD CONTENTS Preparation se virincsey rede errenneren eee 5 Operation o oo nee ees SES Oh ce el 10 Programming e ester reer reer rt reeset 12 Scan ccc cece ee ener e ne RE e d a 14 Lockout cece cece eee eee eee ene nner ness 15 Birdies 0 eee ete eee eens 15 Random Notes eee ee ere ete e erent sees 16 Care and Maintenance e cere rere e eter 17 Before You Call for Help eee creer err eens 18 Specifications 0 eee e cece rete err et erences 19 WARNING TO REDUCE THE RISK OF ELECTRICAL SHOCK FIRE HAZARD OR DAMAGE TO THE UNIT DO NOT EXPOSE TO RAIN OR MOISTURE For your own protection please record your scanner s serial number in the box below You ll find the serial number on the bottom of the unit Serial Number 4 MEMO 21 MEMO 20 PREPARATION BATTERY COMPARTMENT This compartment houses the battery holder for 5 AA batteries BATTERY CHARGER SWITCH inside the battery compartment This switch renders a battery recharger inoperable in the REG A
5. mobile antenna or outdoor base antenna CARE AND MAINTENANCE Your PRO 38 is an example of superior design and craftsmanship The following suggestions will help you care for the scanner so that you can enjoy it for years Keep the product dry If it does get wet wipe it dry immediately Liquids contain minerals that can cor rode the electronic circuits Use and store the product only in normal temperature environments High temperatures can shorten the life of electronic devices damage batter ies and distort or melt plastic parts Handle the product gently and carefully Dropping it can damage circuit boards and cases and can cause the product to work improperly Keep the product away from dust and dirt which can cause premature wear of parts Wipe the product with a dampened cloth occasionally to keep it looking new Do not use harsh chemicals cleaning solvents or strong detergents to clean the product Use only fresh batteries of the recommended size and type Always remove old or weak batteries They can leak chemicals that destroy electronic cir cuits Modifying or tampering with the product s internal components can cause a malfunction and might invalidate the product s warranty If your product is not performing as it should take it to your local Tandy store Our personnel can assist you and arrange for service if needed 17 sere ea eT ee re sree ee Even with the SQUELCH control set t
6. ION The PRO 38 will not work until you store a frequency in one of the channels But before storing a frequency get acquainted with some of the controls and features you will use DISPLAY The Liquid Crystal Display shows the channel number frequency digit by digit in sequence LOCK OUT when certain channels are locked out of the scanning process and E to indicate an erroneous entry Error Message E Sometimes when you try to enter a frequency for a channel an error message E appears on the display This means the fre quency is in error and you won t be able to enter it into your PRO 38 Such frequency errors usually mean you ve entered a frequency outside the ranges your PRO 38 operates on such as 225 00 MHz or you ve put the decimal point in wrong place 14 682 MHz instead of 146 82 MHz Check carefully to find your mistake and then press CLEAR key twice or simply enter the correct number once again KEYLOCK In the OUT position the KEYLOCK switch makes the keypad oper able In the IN position keys are locked against accidental operation SCAN and MANUAL only remain operable NUMBER KEYS The number keys make number entries possible for accessing channels and programming frequencies 10 a a a aa Scan Delay Your PRO 38 stops when it finds a signal As soon as the signal ends it begins scanning other channels after about 3 seconds The 3 second delay gives you a chance to receive a reply to th
7. LK BATT position Keep it in this position when using regular or alkaline batteries In the NI CAD BATT position it makes possible the recharging of nickel cadmium batteries BATTERY CHARGER You can recharge nickel cadmium batteries provided you use Tandy s Cat No 273 7005 English use or 273 9665A Australian use connected to the EXT PWR jack You can also attach an adapter here that enables you to use household current see AC Current Caution Never try to recharge regular or alkaline batteries Attempting to do so could cause them to explode Be sure the bat tery charger switch is in the correct position when using the recharger pE a BATTERIES Open the battery compartment by pressing down on the arrow and sliding the cover off in the direction in which the arrow is pointing Put five AA batteries in the battery holder observing polarity as marked inside the holder and Set the battery charger switch to the appropriate position NI CAD BATT for nickel cadmium batteries REG ALK BATT for other batteries Insert the holder so that the metal contacts on the outside of the holder line up with the metal contacts inside the battery compart ment The holder fits in only one direction If the holder doesn t seat properly in the compartment do not force it Be sure a portion of the ribbon inside the compartment remains free You will use this in the future to lift the battery holder out of the comp
8. ON fa a You ll hear plenty of action with your new Realistic PRO 38 Pro grammable Scanner You have direct access to over 20 000 frequencies in seven action radio bands including 2 m and 70 cm ham VHF machine and much more Your PRO 38 scans up to ten channels so get ready for a lot of excitement The secret to the PRO 38 is a custom designed microprocessor a computer on a chip The front panel keyboard lets you easily enter and change frequencies whenever you wish The micropro cessor also gives you special functions such as these e A beep alarm sounding every 15 30 seconds alerts you when the batteries get low e The display shows the channel number frequency error indi cator and lockout indicator when you are using the lock out feature e An automatic 3 second scan delay prevents you from losing replies on an individual channel during scanning e Memory backup for channel entries lasts up to 30 minutes dur ing battery replacement or power failure when using household current The PRO 38 covers all these bands 66 88 MHz VHF Lo 136 144 MHz government k 144 148 MHz ham radio 2m 148 174 MHz VHF Hi 406 450 MHz ham radio and government nae _ 450 470 MHz UHF Lo 470 512 MHz UHF Hi Over 20 000 frequencies arene he AN A A CCR At A RC en Onn 22 MEMO Note You must install batteries or provide another form of power and store a frequency before you
9. W causes the display to show the frequency digit by digit in sequence stored in that channel ENTER KEY Once you finish entering a frequency by pressing number keys on the keypad pressing ENTER stores the frequency in the selected channel CLEAR KEY f Pressed once CLEAR enters the decimal point necessary for programming frequencies Pressed twice CLEAR clears an error FREQUENCY ENTRIES You can omit the decimal point when entering frequencies in the VHF high band 136 to 174 MHz and UHF 406 to 512 MHz band In these bands the PRO 38 automatically enters the decimal point in the correct position On VHF low band 66 88 MHz you must press the decimal point key at the appropriate position Otherwise E appears on the display or the wrong frequency is stored An example of entering the wrong frequency is pressing 40 1 25 for 40 125 MHz Your entry is interpreted as 401 2500 MHz in the UHF band 11 PROGRAMMING Before attempting operation enter one of the frequencies most 6 Press CLEAR key to active in your area y i enter the decimal aaa Re Action Control Enter the remaining digits of the frequency Turn VOLUME on u Press ENTER to store the frequency in memory for this channel If you have difficulties see Tips for Slide the KEYLOCK switch i Programming to OUT Press MANUAL to enter the programming mode Press MANUAL to a
10. artment Replace the battery compartment cover Flexible Antenna Battery Compartment Cover SPECIFICATIONS FREQUENCY COVERAGE VHF Lo 66 88 MHz in 5 kHz steps Government 136 144 MHz in 5 kHz steps Ham 144 148 MHz in 5 kHz steps VHF Hi 148 174 MHz in 5 kHz steps Ham Gov t 406 450 MHz in 12 5 kHz steps UHF Lo 450 470 MHz in 12 5 kHz steps UHF Hi T 470 512 MHz in 12 5 kHz steps CHANNELS OF OPERATION Any 10 channels in any band combinations SENSITIVITY FM 20 dB Signal to Noise ratio at 3 kHz deviation 66 88 MHz 0 5uV 136 174 MHz 0 7uV 406 512 MHz 0 7uV SELECTIVITY 10 kHz 6 dB 17 kHz 50 dB IF REJECTION 10 85 MHz 45 dB at 155 MHz SCANNING RATE 10 channels sec DELAY TIME 3 seconds MODULATION ACCEPTANCE 12 kHz IF FREQUENCIES 10 85 MHz and 450 kHz FILTERS 1 crystal filter 1 ceramic filter SQUELCH SENSITIVITY Threshold Less than 1 8uV Tight S N N 15 dB ANTENNA IMPEDANCE 50 ohms AUDIO POWER 260mW nominal BUILT IN SPEAKER 1 2 3 4 2cm 7 2 ohm dynamic type POWER REQUIREMENTS 7 5V DC 5 AA Batteries not included or 6 0V DC 5 AA Rechargeable Ni Cad Batter ies not included f f AC Adapter Charger Cat No 273 7005 English use or 273 9665A Australian use not included CURRENT DRAIN 50mA Squelched 110mA full volume unsquelched DIMENSIONS 7
11. dvance to the next channel and repeat Steps 5 8 to program other channe frequencies Press the keyboard num ber s for the channel you wish to program and press MANUAL Using the number keys enter the first several digits of the frequency Dann 12 13
12. e first signal LOCKOUT If there is a channel you do not wish to scan such as a weather channel enter the number of the channel on the keypad and press MANUAL Then press LOCKOUT Or press MANUAL repeatedly until the channel you want appears on the display Press LOCKOUT The PRO 38 now skips this unwanted channel during the scanning process However the lockout feature does not affect manual channel selection You can still press MANUAL repeatedly to select any channel Or you can select a specific channel using number but tons To disable the lockout feature for a channel select the locked out channel using either manual method and press LOCKOUT again Birdies Birdies are the products of internally generated signals that make some frequencies difficult or impossible to receive If you program one of these the scanner locks up and you hear only noise on that frequency if the interference is not severe you might be able to rotate SQUELCH clockwise to cut out the birdie The most common bir dies to watch out for are listed below 68 715 MHz 68 720 MHz 68 725 MHz 72 800 MHz 73 700 MHz 15 a TE Tips for Programming if you make a mistake during number entry you can clear it by pressing CLEAR twice Another way to correct a mistake is to first press ENTER and then re enter the entire frequency When you enter an invalid frequency E appears on the display to indicate an error
13. o maximum fully clockwise scanning may stop on or around some of these frequencies If the signal is strong enough above 10 uV in technical terms you can listen for transmissions on the channel But you have to use MANUAL to move away from the troublesome frequency Random Notes Reception on the frequencies covered by your PRO 38 is mainly line of sight That means you usually won t be able to hear stations located beyond the horizon at your listening location During the summer months you might be able to hear stations in the 66 88 MHz range located several hundred or even thousands of miles away This is due to summer atmospheric conditions This type of reception is unpredictable but often very interesting 16 BNC CONNECTOR Always use 50 ohm coaxial cable For length over 50 feet use RG8 low loss dielectric coaxial cable EARPHONE For private listening remove the plastic cap and plug an ear phone into the EAR jack on the top of your PRO 38 This automatically disconnects the speaker We recommend the Tandy s earphone Cat No 33 175 EXTERNAL SPEAKER Sometimes in a noisy area an extension speaker positioned in the right place can provide more comfortable listening Plug the cable from the speaker to the EAR jack BELT CLIP The clip holds the PRO 38 to your belt for hands free movement Using a Phillips screwdriver attach the belt clip to the scanner with the screws provided OPERAT
14. posi tive to the EXT PWR jack on the PRO 38 and plug the adapter into a standard AC outlet 7 Note The 273 7005 English use or 273 9665A Australian use is the same adapter used for recharging the batteries VEHICLE Note Mobile use of scanners might be unlawful or require a per mit in some areas Check with your local authorities You can power your PRO 38 from your vehicle s battery provided it has a 12 volt negative ground electrical system Use only Tandy s Lighter Cord Set 270 1533 Connect the plug to the EXT PWR jack on the side of the unit Then plug the other end into the cigarette lighter socket Caution Do not let the metal tip of the power cord touch any part of the car while the adapter is plugged into the cigarette lighter socket Doing so might blow a fuse or damage the adapter When you connect the adapter the internal batteries are automati cally disconnected provided the battery charge switch inside the battery compartment is set to REG ALK BATT non rechargeable position ANTENNA Attach the flexible antenna to the BNC connector on the top of your PRO 38 Slip the slot in the antenna s connector over the pro trusion on the BNC connector and rotate the antenna s connector until the two connectors lock into place The BNC connector on your PRO 38 makes it easy to use a variety of antennas The supplied antenna can be removed if you wish to try a different one You can attach an external
15. ter charger use our rechargeable nickel cadmium batteries Cat No 23 125 You can recharge nickel cadmium batteries over 500 times To recharge nickel cadmium batteries in the receiver plug an external adapter charger into the EXT PWR jack on the side of the unit Use only Tandy s Cat No 273 7005 English use or 273 9665A Australian use with the barrel type plug with the green tip center positive Plug the charger into a standard AC outlet To fully charge nickel cadmium batteries leave the adapter charger connected for 10 to 18 hours You can operate the unit while the nickel cadmium batteries are being recharged Disconnect the adapter charger when recharging is complete Also disconnect the adapter charger from the wall outlet during a power failure Note This is the same adapter you use for converting to AC cur rent MEMORY BACKUP The memory storage is preserved by the batteries The frequencies you store in each channel are retained even when you turn off the power on the PRO 38 When you replace the batteries the memory storage still works for approximately 30 minutes LOW BATTERY ALARM A beep alarm sounding every 15 30 seconds alerts you when the batteries get low Always replace all batteries at one time AC CURRENT Operating the PRO 38 from household current requires Tandy s adapter Cat No 273 7005 English use or 273 9665A Australian use Connect the barrel type plug with green tip and center
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