Radio Shack 20-426, User Manual

Page 1: ...Please read this user s guide before installing setting up and using your new product www radioshack com 20 426 Pro 2051 1 000 Channel Triple Trunking Mobile Base Scanner...

Page 2: ...you program your scanner using your computer Support for Motorola LTR and EDACS trunked systems permits you to access most any police re and emergency system With built in Skywarn you will be able to...

Page 3: ...anner 12 from a wall outlet 12 through your vehicle s ignition negative ground only 12 from your vehicle s cigarrette lighter 13 step 3 connect your scanner 14 connecting the supplied antenna 14 conne...

Page 4: ...24 scanning a private bank 25 priority scan 26 changing the priority channel 26 service scanning 27 band search 28 data skip 29 frequency skip 30 storing search frequencies 30 delay 31 highway patrol...

Page 5: ...system 60 special EDACS features 60 tracking LTR systems 62 tracking Motorola systems 63 eet map programming 64 wired programming 75 cloning your scanner 76 birdies 77 replacing the fuse in the DC pow...

Page 6: ...ppears each time you press FUNC SQL FLASH adjusts squelch volume Adjusts brightness of ALERT light MUTE mutes the alert tone VOL ALERT turns the power on off Adjusts volume level Changes the alert ton...

Page 7: ...tracking Press These Buttons To Do This FUNC SVC Toggle service scan FUNC PGM Program frequencies into channels FUNC M LOCK Lock or unlock the memory FUNC Jump directly to the last channel in memory...

Page 8: ...scanner s rear view EXT SP connect an external speaker here ANT connect the supplied antenna or an external antenna here DC 12V connect a power source here PC IF connect data cable for cloning or con...

Page 9: ...k scan mode POLICE indicates police scan mode SERVICE indicates service scan WX re emergency news CB air railroad marine mode M LOCK indicates the memory is locked F appears when function mode is on i...

Page 10: ...interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on...

Page 11: ...o mount your scanner on top of the dashboard rotate the bracket so the ears point up To use on a at surface ip down the built in stand underneath the scanner 1 Choose a mounting location then use the...

Page 12: ...t meet these speci cations could damage the scanner or the adapter To prevent electric shock do not use the AC adapter s polarized plug with an extension cord receptacle or other outlet unless you can...

Page 13: ...ug into the scanner s DC 12V jack 5 Reconnect the cable to the negative terminal of your vehicle s battery from your vehicle s cigarrette lighter To power your scanner from a 12V power source in your...

Page 14: ...makes it easy to use the scanner with a variety of antennas You will need to connect an external antenna when you mount your scanner in the dashboard of your vehicle You may also want to connect an e...

Page 15: ...tact overhead power lines If the antenna touches a power line touching the antenna mast cable or guy wires can cause electrocution and death Call the power company to remove the antenna Do not attempt...

Page 16: ...n earphone or headphones is connected Do not listen at extremely high volume levels Extended high volume listening can lead to permanent hearing loss Set the volume to the lowest setting before you be...

Page 17: ...gh nothing gets through If the gate is set just right the squelch is set properly just the desired signals get through 1 To set the squelch press HOLD RESUME to stop scanning HOLD appears If needed ad...

Page 18: ...ed by the type of services that use those frequencies Your scanner comes preprogrammed with all the frequencies allocated to the weather marine aircraft rail road CB news and police re emergency servi...

Page 19: ...ore If you do not want to program that frequency press HOLD RESUME or just wait until the transmission ends The search resumes automatically 2 seconds after the last transmission and looks for more ac...

Page 20: ...while the re department uses an additional four You could program the four police frequencies starting with Channel 1 the rst channel in bank 1 and program the re department frequencies starting with...

Page 21: ...er automatically rounds the entered number to the nearest valid frequency For example if you enter 151 473 MHz your scanner accepts it as 151 475 When you enter a frequency into a channel your scanner...

Page 22: ...old down L O for 2 seconds or change the state code If you nd an interesting ID you want to continue listening to press HOLD RESUME Press HOLD RESUME to resume scanning locking out a channel in hold m...

Page 23: ...er the channel number you want to restore by using the keypad then press HOLD RESUME 2 Press L O to unlock the channel L O disappears restoring all locked out channels You can restore all locked out c...

Page 24: ...to resume scanning press HOLD RESUME direct channel access To access a speci c channel directly press HOLD RESUME use the keypad to enter the channel number then press HOLD RESUME again You can also p...

Page 25: ...ypad The indicator for each deselected bank disappears and the bank s channels are not scanned One bank must always be active You cannot deactivate all ten banks at the same time If you try to deselec...

Page 26: ...e 1 Press PRI PRI appears If you have locked out all the priority channels an error message appears when you select priority mode 2 Press PRI again to deactivate priority scan PRI disappears changing...

Page 27: ...icon appears on the display 2 Continue pressing FUNC SVC until your desired service is displayed 3 After a 3 second delay scanning begins If you want to start scanning immediately press HOLD RESUME Pr...

Page 28: ...144 7 144 0000 147 9950 FM 5 kHz 144 148 8 148 0000 174 0000 FM 5 kHz 148 174 9 400 0000 419 9875 FM 12 5 kHz 400 420 10 420 0000 449 9875 FM 12 5 kHz 420 450 11 450 0000 469 9875 FM 12 5 kHz 450 470...

Page 29: ...smission it receives This means the scanner will occasionally stop on data signals and unmodulated transmissions You can automatically skip many of these types of transmissions during search 1 To acti...

Page 30: ...all skipped frequencies press and hold L O for 2 seconds in search hold mode storing search frequencies You can quickly store any frequency you nd during a search 1 During search press HOLD RESUME If...

Page 31: ...elay into any channel frequency service band or band search When scan or search stops on a channel or frequency there is a two second pause before the scanning cycle resumes To activate the delay feat...

Page 32: ...ghway patrol or state police units using a mobile extender unit highway patrol local police scanning Highway patrol and local police frequencies are preprogrammed on a state by state basis When highwa...

Page 33: ...t 32 NM New Mexico 8 DC District of Columbia 33 NV Nevada 9 DE Delaware 34 NY New York 10 FL Florida 35 OH Ohio 11 GA Georgia 36 OK Oklahoma 12 IA Iowa 37 OR Oregon 13 ID Idaho 38 PA Pennsylvania 14 I...

Page 34: ...Y and PRIVATE appear on the display use the table below Press these buttons Action FUNC HWY POL 1x Scan highway patrol local police and private frequencies FUNC HWY POL 2x Scan local police and privat...

Page 35: ...highway warning alert The scanner alerts you when highway patrol state police units using mobile extenders are within about 3 miles The ALERT light ashes and the alert tone beeps twice when a signal i...

Page 36: ...arning alert skip frequencies To skip a frequency press L O You can program up to 50 skip frequencies into the highway patrol priority frequency channel You can also program up to 100 skip frequencies...

Page 37: ...r does not check the priority frequency PRI will not appear trunked highway frequencies Trunked highway frequencies are preprogrammed for each state When the scanner nds the control channel data the s...

Page 38: ...pea sized and larger hail wind and wind gusts 40 MPH and greater heavy rainfall lightning cloud to cloud and especially cloud to ground wall clouds seen in severe thunderstorms which spawn tornadoes...

Page 39: ...o take cover If you tune to a Skywarn frequency when the Skywarn net is not active you may hear nothing or you may hear amateur radio operators talking on a local repeater system NWR SAME During weath...

Page 40: ...ll be 0 for all subdivisions in the county and each subdivision will be labeled 1 9 To program your scanner to alert you when the weather service issues an alert you must set the scanner to the alert...

Page 41: ...o store the FIPS code Press 0 then E to clear a FIPS code appears If an invalid value has been inputted the FIPS code is cleared To set the scanner so it alerts you when you receive any FIPS code pres...

Page 42: ...smissions such as mobile and handheld two way radios in areas with no other strong transmission sources however if you are in an area with many transmission sources such as pager radio transmitters mu...

Page 43: ...e or d to select the option you want then press E If you selected S S bnd one of the following band names appears Bnd Lo VHF Low Band 25 0000 54 0000 MHz Bnd Air AIR Band 108 0000 136 9875 MHz Bnd Hi...

Page 44: ...ot provide any alert when a signal stalker signal is detected 6 Repeatedly press e or d until the option you want appears then press E to select it Otherwise press CLR if you do not want to select it...

Page 45: ...range you speci ed in Setting the Signal Stalker Options When the scanner nds a frequency it sounds the alert you speci ed in Setting the Signal Stalker Options and Found ashes Press any key to con rm...

Page 46: ...acking SCAT systems are single channel EDACS systems and are mainly used in the midwestern United States LTR These systems are mostly for business users and found on the UHF 800 and 900 MHz bands See...

Page 47: ...groups are called talk groups 3 Program the Talk Groups Within a trunked system each agency or department is assigned a talk group ID This ID must be programmed into the scanner in order for it to mon...

Page 48: ...orola Type II VHF 136 174 MHz E2 UHF Motorola Type II UHF 406 512 MHz E1 Motorola Type I and Hybrid Ed EDACS Wide Band 9600 band Ed SCt EDACS Scat Lt LTR Requires programming of a base and spacing fre...

Page 49: ...ing of talk groups you can use memory lock Refer to Memory Lock If you want to return to the previous menu screen press HOLD RESUME in the trunk programming mode programming id scan lists manually Whe...

Page 50: ...umber eet number and sub eet number to form the talk group ID number For more information see User De ned Fleet Maps 1 Enter the ID you want to store by using the keypad ID Block number Fleet number C...

Page 51: ...s The scanner defaults to AFS talk group displays for EDACS only LTR talk groups To enter an LTR ID For a LTR ID the area code home repeater number and ID make up the talk group ID See LTR Tracking fo...

Page 52: ...D If you have not programmed any IDs the scanner cannot stop on an active conversation To remove a scan list from active scanning press 1 9 0 the number of the scan list The scan list indicator turns...

Page 53: ...y happen a few times if the signal is weak when the scanner comes around to that bank again The scanner will recognize the control channel was lost when no ID can be found even if the scanner tries te...

Page 54: ...on you want to delete by using the e or d key 3 Press 0 4 Then press E direct entry ID hold mode In hold mode ID scan hold or search hold enter the ID you want to receive by using 1 through 9 0 or CLR...

Page 55: ...want to lock out The ID is locked out You can lock out up to 100 IDs An error message Full appears when you try to register the 101st lock out reviewing ID lockout You can check all IDs already locked...

Page 56: ...cancel this mode press the d key again This feature is applied to ID scan mode and ID search mode setting priority in trunking mode You can set priority in your scan lists just as you do in your conv...

Page 57: ...9 memory position For example to move to scan list 4 memory position 10 press HOLD RESUME 4 0 HOLD RESUME multi track Your scanner allows you to track more than one trunking system at a time Here are...

Page 58: ...canner nds a talk group in one of your active scan lists you will begin to hear that communication and the scanner will display the proper talk group number When the communication ends the scanner wil...

Page 59: ...s through the system s frequencies your scanner automatically follows it Your scanner can clearly and automatically follow this talk group or any other as you select EDACS systems are organized in a l...

Page 60: ...also work in decimal format Talk group 03 62 in decimal format is 402 But decimal format does not give you any information about the system hierarchy Decimal is useful if you need to work from decimal...

Page 61: ...and ef cient EDACS ID range search When your scanner searches EDACS talk group IDs the scanner can search within a range you set for agency or eet listings For example if you want to search within the...

Page 62: ...al subaudible data that accompanies each transmission Users on an LTR system are assigned to speci c talk groups which are identi ed by the radio as six digit numbers These numbers are in the form AHH...

Page 63: ...s their radio only the radio ID is transmitted when PTT is pressed whereas in a Type I system the radio ID and its current af liation are both transmitted when PTT is pressed Why the difference Type I...

Page 64: ...For VHF and UHF Type II trunking systems you will need to know the base spacing frequencies and offset channels See Setting the Base Spacing Frequencies and Offset Channel for Motorola VHF UHF Trunke...

Page 65: ...ize Code 0 SIZE CODE 4 1 SIZE CODE 4 2 SIZE CODE 4 3 SIZE CODE 4 4 SIZE CODE 4 5 SIZE CODE 4 6 SIZE CODE 4 7 SIZE CODE 4 E1P3 Block Size Code 0 SIZE CODE 4 1 SIZE CODE 4 2 SIZE CODE 4 3 SIZE CODE 4 4...

Page 66: ...CODE 0 1 SIZE CODE 0 2 SIZE CODE 0 3 SIZE CODE 0 4 SIZE CODE 0 5 SIZE CODE 0 6 SIZE CODE 4 7 SIZE CODE 4 E1P7 Block Size Code 0 SIZE CODE 10 1 SIZE CODE 10 2 SIZE CODE 11 3 SIZE CODE 4 4 SIZE CODE 4...

Page 67: ...ODE 3 1 SIZE CODE 3 2 SIZE CODE 11 3 SIZE CODE 4 4 SIZE CODE 4 5 SIZE CODE 0 6 SIZE CODE 0 7 SIZE CODE 0 E1P14 Block Size Code 0 SIZE CODE 4 1 SIZE CODE 3 2 SIZE CODE 10 3 SIZE CODE 4 4 SIZE CODE 4 5...

Page 68: ...n a Type I system is designed the address information for all the IDs are divided into 8 equal sized blocks When you program your scanner to track a Type I system you must select a size code for each...

Page 69: ...hard as it seems Select a size code for a block and then press SRCH Now listen to the communications If you decide you are receiving most of the replies to the conversations with IDs assigned to the...

Page 70: ...or block 2 the next block available instead of block 1 And if you assign block 0 as size code 14 you would not see another prompt because all available blocks have been used programming a user eet map...

Page 71: ...s known as the base spacing frequencies and offset channels for each system To nd these out check the www trunkscanner com and other web sites and frequency resources Follow these steps to enter the b...

Page 72: ...use unique talk group numbers An emergency call will occur on a unique talk group from its primary assignment for example Because the scanner defaults to status bit on mode you never need to worry abo...

Page 73: ...u begin to control channel trunk only when 800 MHz system is selected When you deselect control channel only mode CC OFF appears on the display Read the descriptions of the Plan 1 4 for details on whi...

Page 74: ...program IDs into memory and then scan them The control channel only feature is an extremely powerful tool You can use it to determine if systems you are familiar with may have added new frequencies o...

Page 75: ...tional interface cable and software available at your local RadioShack store or www radioshack com If the scanner receives no data from the PC for more than 20 seconds T Err appears and wired programm...

Page 76: ...optional interface cable and software available at your local RadioShack or www radioshack com 1 Make sure the scanners are turned off and then plug the cable into each scanner s PC IF jack 2 While yo...

Page 77: ...ess HOLD RESUME to resume scanning replacing the fuse in the DC power cord The fuse in the DC power cord helps protect your scanner from power surges and short circuits If the fuse in the DC power cor...

Page 78: ...working properly Reset the scanner only when you are sure it is not working properly 1 Make sure your scanner is turned off 2 While holding down 2 9 and HOLD turn on the scanner After about 2 seconds...

Page 79: ...uencies may be locked out Q My scanner is on but won t scan or reception is weak How do I get it to scan A Make sure the AC adapter is securely connected If you are using an AC adapter and the wall so...

Page 80: ...rder or all the frequencies might not be programmed Check the frequencies and reprogram them Q I do not hear all the replies to conversations What s wrong A Change to a Type 1 scanner setup See Fleet...

Page 81: ...ps 450 0000 469 9875 MHz in 12 5 kHz steps 470 0000 512 0000 MHz in 12 5 kHz steps 806 0000 823 9875 MHz in 12 5 kHz steps 849 0125 868 9875 MHz in 12 5 kHz steps 894 0125 956 0000 MHz in 12 5 kHz ste...

Page 82: ...e same time PC Programmable allows you to easily program all frequencies and trunking talk groups into your scanner through a software running on your PC SAME Weather Alert automatically sounds the al...

Page 83: ...to keep it looking new service and repair If your scanner is not performing as it should take it to your local RadioShack store for assistance To locate your nearest RadioShack use the store locator f...

Page 84: ...nty details and exclusions check with your local RadioShack store RadioShack Customer Relations 200 Taylor Street 6th Floor Fort Worth TX 76102 04 04 Printed in China 20 426 12A04 UBZZ01331ZZ 2005 Rad...