Kenwood TM-271 User Manual

© B62-1804-00 (K,E,M2,M3,M4)09 08 07 06 05 04 03 02 01 00 INSTRUCTION MANUAL144 MHz FM TRANSCEIVERVHF FM TRANSCEIVERTM-271A144 MHz FM TRANSCEIVERTM-27

412 Connect the transceiver’s DC power connector to theconnector on the DC power cable.• Press the connectors firmly together until the locking tabcli

51REPLACING FUSESIf the fuse blows, determine the cause, then correct theproblem. After the problem is resolved, replace the fuse.If newly installed

61ACCESSORY CONNECTIONSEXTERNAL SPEAKERIf you plan to use an external speaker, choose a speakerwith an impedance of 8 Ω. The external speaker jackacc

71CONNECTING TO A TNC (E MARKET MODELS ONLY)To connect an external TNC to the transceiver, use anoptional PG-5A cable. The DATA connector on the rearo

82YOUR FIRST QSOAre you ready to give your transceiver a quick try?Reading this section should get your voice on theair right away. The instructions

93GETTING ACQUAINTEDFRONT PANELNote: This section describes only the main functions of the frontpanel controls. Explanations for functions not descr

103In MR Mode, press [F] then press [VFO] to transferthe contents of the selected Memory Channel to theVFO {page 33}.ttttt MR keyPress to enter Memory

113yAppears when the Automatic Simplex Check (ASC)function is activated {page 26}.uAppears when the Priority Scan function is activated{page 43}.iAppe

123REAR PANELq w e rqqqqq Antenna connectorConnect an external antenna {page 5} here. Whenmaking test transmissions, connect a dummy load inplace of

133rrrrr CALL/A keyIdentical to the front panel CALL key. This key canbe reprogrammed if desired {page 59}. Press andhold Mic [PTT], then press [CAL

THANK YOU!Thank you for choosing this KENWOOD transceiver.KENWOOD always provides Amateur Radio productswhich surprise and excite serious hobbyists.

144OPERATING BASICSSWITCHING THE POWER ON/OFF1 Press [ ] (Power) to switch the transceiver power ON.•A high pitched double beep sounds and a Power-o

154TRANSMITTING1 To transmit, hold the microphone approximately 5 cm(2 inches) from your mouth, then press and hold Mic[PTT] and speak into the micro

164MHZ MODEIf the desired operating frequency is far away from thecurrent frequency, it is quicker to use the MHz TuningMode.To adjust the MHz digit:1

174Example 1To enter 145.750 MHz:Key in Display[Enter] – – – – – –[1], [4], [5] 1 4 5. – – –[7], [5], [0] 1 4 5. 7 5 0Example 2To enter 145.000 MHz:K

185MENU SETUPWHAT IS A MENU?Many functions on this transceiver are selected orconfigured via a software-controlled Menu rather thanthrough the physica

195MENU FUNCTION LISTehtnOyalpsiduneM.oNnoitcnuF snoitceleS tluafeD.feRegaPPTS1 ezispetsycneuqerF/05/03/52/02/51/5.21/01/52.6/5/5.2zHk001ees(seiraV)eg

205ehtnOyalpsiduneM.oNnoitcnuF snoitceleS tluafeD.feRegaPKC91yekLLAC0571/LLACees(seiraV)egapecnerefer53,52DLH02dlohXTenotzH0571FFO/NOFFO52TOT12remiTtu

215ehtnOyalpsiduneM.oNnoitcnuF snoitceleS tluafeD.feRegaP2FP63elbammargorpenohporciMyeknoitcnuf/LLAC/RM/OFV/0571/RETNE/INOM/NI.C/NI.M/V--M/LQS/VER/ZHM

226OPERATING THROUGH REPEATERSRepeaters, which are often installed and maintained byradio clubs, are usually located on mountain tops orother elevated

236PROGRAMMING AN OFFSETYou must first select an amateur radio repeater downlinkfrequency as described in “SELECTING AN OFFSETFREQUENCY”.SELECTING AN

iPRECAUTIONSPlease observe the following precautions to preventfire, personal injury, and/or transceiver damage:• Do not attempt to configure your tra

246ACTIVATING THE TONE FUNCTIONTo activate Tone, press [F], [CALL].• As you press [F], [CALL], the selection cycles as follows:“OFF” ➞ “TONE” ➞ “CTCSS

256AUTOMATIC REPEATER OFFSETThis function automatically selects an offset direction,according to the frequency on the VHF band. Thetransceiver is pro

266REVERSE FUNCTIONThe reverse function exchanges a separate receptionand transmission frequency. So, while using a repeater,you can manually check t

276Note:◆ Pressing [PTT] causes the “ ” icon to quit blinking.◆ ASC can be activated while operating in Simplex Mode. However,it does not change the

287MEMORY CHANNELSIn Memory Channels, you can store frequencies andrelated data that you frequently use so that you do notneed to reprogram that data

297The data listed below can be stored in each MemoryChannel:retemaraP&xelpmiSretaepeRtilpS-ddOycneuqerfevieceRseYseYycneuqerftimsnarTseYycneuqerf

307• Memory Channel numbers L0/U0 ~ L2/U2 {page 40}, Pr{page 43}, and AL (Weather Alert) {page 36} (K marketmodels only) are reserved for other functi

317USING THE MICROPHONE KEYPADYou can also recall a Memory Channel by entering adesired Memory Channel number with the microphonekeypad.1 Press [MR] t

327NAMING A MEMORY CHANNELYou can name Memory Channels using up to 6alphanumeric characters. When you recall a namedMemory Channel, its name appears

337MEMORY CHANNEL TRANSFERMEMORY \ VFO TRANSFERAfter retrieving frequencies and associated data fromMemory Recall Mode, you can copy the data to the V

iiCONTENTSSELECTING A FREQUENCY ... 15VFO MODE ... 15MHz MODE ..

347The tables below illustrate how data is transferredbetween Memory Channels.991~0lennahC a 991~0lennahCycneuqerfevieceRaycneuqerfevieceRycneuqerftim

357CALL CHANNELCall Channel default settings:• On K and M market models, pressing [CALL] changes thetransceiver to the Call Channel.• On E market mode

367Note:◆ When you recall an odd-split Call Channel, “+” and “–” appear onthe display.◆ Transmit offset status and Reverse status are not stored in an

3774 Press any key other than [MENU] to exit Menu Mode.• The transceiver automatically changes to the ALchannel.• The Tone, CTCSS, and DCS functions c

387While in Channel Display mode, you cannot activate thefollowing functions:• VFO Mode• VFO Scan• Call/VFO Scan• MHz Scan• Scan Direction• Memory Sto

398SCANScan is a useful function for hands-off monitoring of yourfavorite frequencies. By becoming comfortable with alltypes of scan, you will increa

408NORMAL SCANWhen you are operating the transceiver in VFO Mode,3 types of scanning are available: Band Scan, ProgramScan, and MHz Scan.BAND SCANThe

4187 Turn the Tuning control or press Mic [UP]/[DWN] toselect a matching Memory Channel from U0 ~ U2.• For example, if you have selected “L0” in step

428MEMORY SCANMemory Scan monitors Memory Channels in which youhave stored frequencies.ALL-CHANNEL SCANThe transceiver scans all of the Memory Channel

438CALL SCANYou can alternate between monitoring the Call Channeland the current operating frequency.1 Select the frequency (in VFO or Memory RecallMo

iii1234567891011121314SCAN RESUME METHOD ... 45CHAPTER 9 SELECTIVE CALLCTCSS AND DCS ...

448USING PRIORITY SCAN1 Press [F], [MENU] and turn the Tuning control toselect Menu No. 12 (PRI).2 Press [MENU] and turn the Tuning control to select“

458SCAN RESUME METHODThe transceiver stops scanning at the frequency (orMemory Channel) where a signal is detected. It thencontinues or stops scannin

469SELECTIVE CALLCTCSS AND DCSYou may sometimes want to hear calls from only specificpersons or groups. In this case, use Selective Call. Thistransc

479SELECTING A CTCSS FREQUENCY1 Press [F], [MENU] and turn the Tuning control orpress Mic [UP]/[DWN] to select Menu No. 3 (CT).• The current CTCSS fre

489• While scanning, the decimal point of the CTCSSfrequency blinks.•To reverse the scan direction, turn the Tuning control orpress Mic [UP]/[DWN].•To

499• The available DCS codes are shown in the followingtable.sedoCSCD401320560231502552133314564216137520170431212162233324664426237620270341322362343

5010DUAL TONE MULTI-FREQUENCY (DTMF) FUNCTIONSThis transceiver provides you with 10 dedicated DTMFMemory Channels. You can store a DTMF number (16dig

5110DTMF TX HOLDThis function causes the transceiver to remain intransmission mode for 2 seconds after you release eachkey. So, you can release Mic [

52106 Repeat steps 4 and 5 to enter up to 16 digits.7 Press [MENU] to complete the entry.• Press any key other than [MR], [VFO], [F], and [MENU]to can

5310ADJUSTING THE PAUSE DURATIONYou can change the pause duration (a space digit)stored in Memory Channels. The default setting is500 milliseconds.1

ivFREQUENCY STEP SIZE ... 56DISPLAY BACKLIGHT ... 57PERMANENT BACKLIGHT

5411AUXILIARY FUNCTIONSAPO (AUTO POWER OFF)The transceiver switches OFF automatically if no keys orcontrols are pressed or adjusted for the selecteddu

55111 Press [F], [MENU] and turn the Tuning control toselect Menu No. 8 (SSQ).2 Press [MENU] and turn the Tuning control to select“ON” or “OFF” (defau

56113 Press [MENU] to store the setting or any other key tocancel.4 Press any key other than [MENU] to exit Menu Mode.The transceiver generates the fo

5711The default step size for each model is as follows:edoCtekraM eziSpetSycneuqerFtluafeDKzHk5EzHk5.212MzHk5.213MzHk5.21Note: The market code is pri

5811LOCK FUNCTIONThe lock function disables most of the keys to preventyou from accidentally activating a function. TransceiverLock is suitable for a

59113 Press [MENU] to store the setting or any other key tocancel.4 Press any key other than [MENU] to exit Menu Mode.MICROPHONE PF KEYS (KEYPAD MODEL

6011• SHIFT: Shift function ON/OFF• LOW: Select transmission power• BRIGHT: Adjust display backlight• LOCK: Transceiver Lock function ON/OFF (must be

61113 Turn the Tuning control to select a character.•You can enter the following alphanumeric characters:0 ~ 9, A ~ Z, – (hyphen), / (slash), and a sp

6211TIME-OUT TIMERThe Time-out Timer limits the time of each transmissionto a maximum of 3, 5, or 10 (default) minutes. Justbefore the transceiver st

6312MICROPHONE CONTROLYou can change numerous transceiver settings by operating the Mic DTMF keys.The following table shows what function is switched

1SUPPLIED ACCESSORIESAfter carefully unpacking the transceiver, identify theitems listed in the table below. We recommend you keepthe box and packagi

64121DTMF tones are not transmitted in TX Mode if theDTMF Lock function is ON.2When transmitting a stored DTMF number, press Mic[PTT]+Mic [PF/D], rele

6513OPTIONAL ACCESSORIESMC-60AStand Microphone(MJ-88 required)PG-2NDC Power CableProgramming CableSP-50BCommunications SpeakerMCP-1AMemory Control Pro

6614TROUBLESHOOTINGMAINTENANCEGENERAL INFORMATIONThis product has been factory aligned and tested tospecification before shipment. Under normalcircum

6714Note:◆ Record the date of purchase, serial number and dealer fromwhom this product was purchased.◆ For your own information, retain a written reco

6814Full Reset Method 2:1 Press [F], [MENU] and turn the Tuning control toselect Menu No. 99 (RESET).2 Press [MENU] and turn the Tuning control to sel

6914TROUBLESHOOTINGThe problems described in the following tables are commonly encountered operational malfunctions. These types ofdifficulties are u

7014melborP esuaCelbaborP noitcAevitcerroC .feRegaPtonnacslennahCyromeMehtgninrutybdetcelesebgninuT ybrolortnocciMgnisserp ]PU[ / ]NWD[ .ynaniderotsne

71SPECIFICATIONSSpecifications are subject to change without notice due to advancements in technology.lareneGegnarycneuqerfXTsledomtekramKzHM841~441sl

72rettimsnarTtuptuorewoPhgiHW52:sledomtekram4MW06:sledomtekramrehtollAwoLW52.xorppAnoitaludoM ecnatcaeRsnoissimesuoirupS sselroBd06–noitaivedycneuqerf

73INDEX1750 Hz ... 25AccessoriesOptional ... 65Supplied ... 1Al

21PREPARATION2 Position the transceiver, then insert and tightenthe supplied hexagon SEMS screws (4) and flatwashers (4).• Double check that all hardw

314 Confirm the correct polarity of the connections, thenattach the power cable to the battery terminals; redconnects to the positive (+) terminal and