Radio Shack TRC-93 Owner'S Manual Download

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OWNER’S MANUAL

Cat. No. 21-1615

TRC-93

300 mW 3-Channel

Walkie-Talkie

Please read before using this equipment.

21-1615.fm Page 1 Thursday, August 5, 1999 11:07 AM

Summary of Contents for TRC-93

Page 1: ...OWNER S MANUAL Cat No 21 1615 TRC 93 300 mW 3 Channel Walkie Talkie Please read before using this equipment 21 1615 fm Page 1 Thursday August 5 1999 11 07 AM ...

Page 2: ...ed but lets you install optional crystals so you can oper ate the TRC 93 on any two of the other 39 available CB channels See Adding Crystals on Page 15 Built In Modulation Limiter Circuit automatically adjusts to a variety of voice levels to ensure a clear transmission Telescoping Antenna provides excel lent reception and transmission Battery Indicator shows you the bat teries condition Removable...

Page 3: ...ange crystals Never modify your TRC 93 Your TRC 93 might cause TV or radio in terference even when it is operating prop erly To determine whether your TRC 93 is causing the interference turn off your TRC 93 If the interference goes away your TRC 93 is causing it Try to elimi nate the interference by Moving your TRC 93 away from the TV or radio Contacting your local RadioShack store for help Warnin...

Page 4: ...n 8 Receiving Transmissions 8 Transmitting 9 CB Operation Tips 11 Common Uses for a CB Radio 11 Business Uses 11 Personal Uses 11 Using Common 10 Codes 12 CB Courtesy 14 Maximum Range 14 Adding Crystals 15 Troubleshooting 19 Maintenance 20 Specifications 21 21 1615 fm Page 4 Thursday August 5 1999 11 07 AM ...

Page 5: ...low these steps to install batteries 1 Remove the battery compartment cover by pressing down on the cover s arrow then sliding the cover down 2 To help remove the battery case pull the ribbon inside the battery com partment Then lift out the case 3 Insert six AA alkaline batteries into the case as indicated by the polarity symbols and marked inside the battery case 4 To replace the battery case pl...

Page 6: ... only one way Do not force it 5 Replace the battery compartment cover Note If you will not be using the TRC 93 for several months remove the batteries Testing the Battery Power 1 Make sure the TRC 93 is turned on by turning OFF VOL down toward VOL until it clicks 2 Press BATT TEST Metal Plates 21 1615 fm Page 6 Thursday August 5 1999 11 07 AM ...

Page 7: ...roperly USING THE BELT CLIP To attach the supplied belt clip to the TRC 93 press the clip s tabs into the cor responding holes on the back of the TRC 93 Then push the clip upward until it locks into place To remove the belt clip from the TRC 93 use a flathead screwdriver to press the tab under the clip and slide the clip down to pull it out Tab 21 1615 fm Page 7 Thursday August 5 1999 11 07 AM ...

Page 8: ...ONS 1 Fully extend the TRC 93 s telescop ing antenna and hold the TRC 93 so the antenna is vertical 2 Set CHANNEL to A B or C Note Your TRC 93 comes with Channel 14 crystals installed in channel position A To use other channels you must first install crys tals in channel positions B and C inside the TRC 93 see Adding Crystals on Page 15 21 1615 fm Page 8 Thursday August 5 1999 11 07 AM ...

Page 9: ...alled any crys tals in channel positions B or C 4 To turn off the TRC 93 turn OFF VOL up toward OFF until it clicks TRANSMITTING 1 Follow Steps 1 3 in Receiving Transmissions on Page 8 2 Hold the TRC 93 2 to 3 inches from your mouth Hold down PUSH TO TALK on the side of the TRC 93 and speak in a normal voice into the microphone Microphone 21 1615 fm Page 9 Thursday August 5 1999 11 07 AM ...

Page 10: ...hannel 9 is reserved for motorist assistance and for reporting emergency information about acci dents hazardous road conditions and so on If you have installed the necessary crystals in your TRC 93 and you are using Channel 9 always give emergency messages priority 3 To turn off the TRC 93 turn OFF VOL up toward OFF until it clicks 21 1615 fm Page 10 Thursday August 5 1999 11 07 AM ...

Page 11: ...or security officers a walkie talkie is more than a convenience it is a must for both safety and efficiency Personal Uses Keep in touch with home while driv ing to work to the store or to a social activity Let your family know you are tied up in traffic or that you will stop by the store on the way home If you are a two car or more family walkie talkies are great for communi cating with family mem...

Page 12: ... areas This table lists the codes adopted by the Associated Public Safety Communica tions Officers APCO Code Meaning 10 1 Cannot understand your mes sage 10 2 Your signal is good 10 3 Stop transmitting 10 4 Message received and under stood 10 5 Relay information to _________ 10 6 I am busy 10 7 Out of service 10 8 In service 10 9 Repeat last message 10 10 Negative No 10 11 _____________ in service...

Page 13: ...o message 10 17 En route 10 18 Urgent 10 19 Contact __________ 10 20 My location is __________ 10 21 Call ________ by telephone 10 22 Cancel last message 10 23 Arrived at the scene 10 24 Assignment complete 10 26 Estimated time of arrival is ____ 10 30 Use caution 10 31 Pick up 10 33 Emergency traffic Clear the channel 10 34 The time is _____ Code Meaning 21 1615 fm Page 13 Thursday August 5 1999 ...

Page 14: ...ist callers with directions infor mation about road conditions and any other reasonable requests MAXIMUM RANGE The maximum range and quality of CB transmissions vary depending on these conditions Amount of power in the batteries The surrounding terrain mountains and tall buildings limit the range Weather conditions The number of nearby CBs operating on the same channel To ensure maximum range alwa...

Page 15: ...d the TRC 93 s cata log number Cat No 21 1615 Note Channel A crystals are soldered in and can be replaced only by a qualified technician The following chart shows the frequency pairs in MHz for receiving and transmit ting on each CB channel Note Receive crystals use a frequency 455 kHz lower than transmit crystals Channel Transmit Receive 1 26 965 26 510 2 26 975 26 520 3 26 985 26 530 4 27 005 26...

Page 16: ...75 26 720 19 27 185 26 730 20 27 205 26 750 21 27 215 26 760 22 27 225 26 770 23 27 255 26 800 24 27 235 26 780 25 27 245 26 790 26 27 265 26 810 27 27 275 26 820 28 27 285 26 830 29 27 295 26 840 30 27 305 26 850 31 27 315 26 860 32 27 325 26 870 33 27 335 26 880 34 27 345 26 890 35 27 355 26 900 36 27 365 26 910 37 27 375 26 920 38 27 385 26 930 39 27 395 26 940 40 27 405 26 950 Channel Transmit...

Page 17: ...to Channel A on the cir cuit board with X1 receive and X2 transmit The channel s letter A B or C is marked on the circuit board above the pair of sockets used with that channel There is also a diagram of the sockets on the inside back cover Important Be sure you install the receive R and transmit T crystals in their correct sockets Do not reverse the transmit and receive crystals If you do the TRC...

Page 18: ...93 s front and back cover s sides together then gently squeeze them together Replace the back cover s two screws replace the battery case then replace the battery compart ment cover some circuitry details left out for clarity 21 1615 fm Page 18 Thursday August 5 1999 11 07 AM ...

Page 19: ...y extended Be sure the batteries are not weak see Testing the Battery Power on Page 6 Be sure you are not pressing PUSH TO TALK Be sure CHANNEL is set to A if you have not installed any more crystals in the TRC 93 Trouble with transmis sion Be sure the antenna is fully extended Be sure you are fully pressing PUSH TO TALK Be sure the batteries are not weak see Testing the Battery Power on Page 6 Be...

Page 20: ...rmal temperature environments Temperature extremes can shorten the life of electronic devices damage batteries and dis tort or melt plastic parts Keep the TRC 93 away from dust and dirt which can cause premature wear of parts Wipe the TRC 93 with a damp cloth occasionally to keep it looking new Do not use harsh chemicals clean ing solvents or strong de tergents to clean the TRC 93 Modifying or tam...

Page 21: ...o 50Ω Load Power Output at No Modulation 150 mW Into 50Ω Load Current Drain at No Modulation 100 mA Type of Modulation A3 AMC Range at 50 to 100 Modulation 35 dB Spurious Emission 67 dB Frequency Tolerance 0 005 Telescoping Antenna Impedance 50Ω Antenna Length Maximum 283 8 In 721 mm Dimensions HWD 81 4 213 16 17 8 In 210 71 48 mm Weight 8 8 oz 255 g Specifications are typical individual units mig...

Page 22: ...22 NOTES 21 1615 fm Page 22 Thursday August 5 1999 11 07 AM ...

Page 23: ...23 21 1615 fm Page 23 Thursday August 5 1999 11 07 AM ...

Page 24: ...warranty pe riod take the product and the RadioShack sales receipt as proof of purchase date to any RadioShack store Ra dioShack will at its option unless otherwise provided by law a correct the defect by product repair without charge for parts and labor b replace the product with one of the same or similar design or c refund the pur chase price All replaced parts and products and prod ucts on whi...

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