Kenwood TM-271A User Manual

Kenwood TM-271A Manual

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  • Kenwood TM-271A | User Manual - Page 1
    INSTRUCTION MANUAL 144 MHz FM TRANSCEIVER VHF FM TRANSCEIVER TM-271A 144 MHz FM TRANSCEIVER TM-271E TM-271 MENU © B62-1804-00 (K,E,M2,M3,M4) 09 08 07 06 05 04 03 02 01 00
  • Kenwood TM-271A | User Manual - Page 2
    the manual to guide you through the learning process now, then act as a reference in the coming years. KENWOOD believes that this product will satisfy your requirements on both voice and data communications. MODELS COVERED BY THIS MANUAL The models listed below are covered by this manual. TM-271A
  • Kenwood TM-271A | User Manual - Page 3
    . • Do not modify the transceiver unless instructed by this manual or other KENWOOD documentation. • Do not expose the transceiver detected coming from the transceiver, turn OFF the power immediately. Contact a KENWOOD service station or your dealer. • This transceiver is designed for a 13.8
  • Kenwood TM-271A | User Manual - Page 4
    CONVENTIONS FOLLOWED IN THIS MANUAL 1 CHAPTER 1 PREPARATION MOBILE INSTALLATION 2 DC POWER CABLE CONNECTION 3 Mobile Operation 18 MENU FUNCTION LIST 19 CHAPTER 6 OPERATING THROUGH REPEATERS OFFSET PROGRAMMING FLOW 22 PROGRAMMING AN OFFSET 23 SELECTING AN OFFSET DIRECTION 23 SELECTING AN OFFSET
  • Kenwood TM-271A | User Manual - Page 5
    CHANNEL SCAN 42 GROUP SCAN 42 CALL SCAN 43 PRIORITY SCAN 43 PROGRAMMING A PRIORITY CHANNEL 43 USING PRIORITY SCAN 44 MEMORY CHANNEL LOCKOUT 44 ID SCAN 49 CHAPTER 10 DUAL TONE MULTI-FREQUENCY 5 (DTMF) FUNCTIONS MANUAL DIALING 50 6 DTMF MONITOR 50 DTMF TX HOLD 51 7 AUTOMATIC DIALER
  • Kenwood TM-271A | User Manual - Page 6
    VFO 61 TIME-OUT TIMER 62 CHAPTER 12 MICROPHONE CONTROL MIC LOCK 64 CHAPTER 13 OPTIONAL ACCESSORIES CHAPTER 14 TROUBLESHOOTING MAINTENANCE 66 GENERAL INFORMATION 66 SERVICE 66 SERVICE NOTE 66 CLEANING 67 RESETTING THE TRANSCEIVER 67 INITIAL SETTINGS 67 FULL RESET 67 VFO RESET 68
  • Kenwood TM-271A | User Manual - Page 7
    Mic) T91-0624-XX 1 T91-0641-XX DC power cable K, M2, M3, M4 market E market E30-2111-XX Instruction manual B62-1804-XX 1 WRITING CONVENTIONS FOLLOWED IN THIS MANUAL The writing conventions described below have been followed to simplify instructions and avoid unnecessary repetition. Instruction
  • Kenwood TM-271A | User Manual - Page 8
    PREPARATION 1 MOBILE INSTALLATION To install the transceiver, select a safe, convenient location inside your vehicle that minimizes danger to your passengers and yourself while the vehicle is in motion. Consider installing the unit at an appropriate position so that knees or legs will not strike it
  • Kenwood TM-271A | User Manual - Page 9
    is in place, wrap heat-resistant tape around the fuse holder to protect it from moisture and tie down the full run of cable. 3 To prevent the risk of short circuits, disconnect other wiring from the negative (-) battery terminal before connecting the transceiver. 4 Confirm the correct polarity
  • Kenwood TM-271A | User Manual - Page 10
    need a separate 13.8 V DC power supply (not included). The recommended current capacity of your power supply is 12 A. 1 Connect the DC power cable to the regulated DC power supply and ensure that the polarities are correct (Red: positive, Black: negative). • Do not directly connect the transceiver
  • Kenwood TM-271A | User Manual - Page 11
    blows, determine the cause, then correct the problem. After the problem is resolved, replace the fuse. If newly installed fuses continue to blow, disconnect the power cable and contact your authorized KENWOOD dealer or an authorized KENWOOD service center for assistance. ANTENNA CONNECTION Before
  • Kenwood TM-271A | User Manual - Page 12
    To utilize the optional MCP-1A software, you must first connect the transceiver to your PC using an optional. Programming Cable (via the microphone jack). The MCP-1A is free downloadable software available from KENWOOD at the following URL: http://www.kenwood.com/i/products/info/amateur.html Note
  • Kenwood TM-271A | User Manual - Page 13
    the transceiver, use an optional PG-5A cable. The DATA connector on the rear of the transceiver mates with the 6-pin mini-DIN plug on this cable. Pin No. 1 2 3 4 5 pin, the external TNC may not function. If this problem happens, add a 10 µF capacitor between the PR1 pin and the TNC. Be careful
  • Kenwood TM-271A | User Manual - Page 14
    your voice on the air right away. The instructions below are intended only as a quick guide. If you encounter problems or there is something you would like to know more, read the detailed explanations given later in this manual. qw TM-271 e MENU t y q Press [ ] (Power) briefly to switch the
  • Kenwood TM-271A | User Manual - Page 15
    . Explanations for functions not described here are provided in the appropriate sections of this instruction manual. q w TM-271 MENU erty u q (Power) switch/ Volume control Press to switch the hold for 1 second while in VFO Mode after programming a scan range to begin Program Scan {page 40}. 9
  • Kenwood TM-271A | User Manual - Page 16
    In MR Mode, press [F] then press [VFO] to transfer the contents of the selected Memory Channel to the VFO {page 33}. t MR key Press to enter Memory Recall Mode {page 30}. In this mode, you can change memory channels using 3 the Tuning control or Mic [UP]/[DWN]. Press and hold for 1 second while in
  • Kenwood TM-271A | User Manual - Page 17
    y Appears when the Automatic Simplex Check (ASC) function is activated {page 26}. u Appears when the Priority Scan function is activated {page 43}. i Appears when the Weather Alert function is activated {page 36}. (K market models only.) o Appears when narrow FM Mode is selected {page 60}. !0
  • Kenwood TM-271A | User Manual - Page 18
    while other models use an M-type (SO-239) connector. w Data cable (E market versions only) Connect this cable to a TNC {page 7}. e Power Input 13.8 V DC cable Connect a 13.8 V DC power source here. Use the supplied DC power cable {pages 3, 4}. r SP (speaker) jack If desired, connect an optional
  • Kenwood TM-271A | User Manual - Page 19
    a Memory Channel number {page 30}. The keypad can also be used to program a Memory Channel name, Power-on message, or other character strings {page First press the Mic PF key assigned 3 the ENTER function {page 59}. To manually send a DTMF number, press and hold Mic [PTT], then press the DTMF keys
  • Kenwood TM-271A | User Manual - Page 20
    OPERATING BASICS SWITCHING THE POWER ON/OFF 1 Press [ ] (Power) to switch the transceiver power ON. • A high pitched double beep sounds and a Power-on message {page 60} appears briefly, followed by the frequency and other indicators. 4 2 To switch the transceiver OFF, press [ ] (Power) (1s). • When
  • Kenwood TM-271A | User Manual - Page 21
    TRANSMITTING 1 To transmit, hold the microphone approximately 5 cm (2 inches) from your mouth, then press and hold Mic [PTT] and speak into the microphone in your normal tone of voice. •" " and the RF Power meter appears. The RF Power meter shows the relative transmit output power ( ). • If
  • Kenwood TM-271A | User Manual - Page 22
    MHZ MODE If the desired operating frequency is far away from the current frequency, it is quicker to use the MHz Tuning Mode. To adjust the MHz digit: 1 While in VFO or Call Mode, press [MENU]. • The MHz digit blinks. 4 DIRECT FREQUENCY ENTRY In addition to turning the Tuning control or pressing
  • Kenwood TM-271A | User Manual - Page 23
    Example 1 To enter 145.750 MHz: Key in Display [Enter] --- --- [1], [4], [5] 1 4 5. - - - [7], [5], [0] 1 4 5. 7 5 0 Example 2 To enter 145.000 MHz: Key in Display [Enter] --- --- [1], [4], [5] 1 4 5. - - - [Enter] 1 4 5. 0 0 0 Example 3 To change 144.650 MHz to 145.650 MHz: Key
  • Kenwood TM-271A | User Manual - Page 24
    selected or configured via a software-controlled Menu rather than through the physical controls of the transceiver. Once you become familiar with the Menu system, you will appreciate its versatility. You can customize the various timings, settings, and programming functions on this transceiver to
  • Kenwood TM-271A | User Manual - Page 25
    MENU FUNCTION LIST On the display STP T CT DCS SFT TXP 1 P.VFO SSQ SQH OFFSET ARO PRI SCAN L.OUT M.CH M.NAME MDF APO Menu No. Function 1 Frequency step size 2 Tone frequency 3 CTCSS frequency 4 DCS code 5 Shift direction 6 Transmission power 7 Programmable VFO 8 S-Meter squelch 9 Squelch hang
  • Kenwood TM-271A | User Manual - Page 26
    On the Menu display No. Function CK 19 CALL key HLD TOT BCL P.ON.MSG BP 5 BS FMN ENC DTMF.MR SPD DT.H PA DT.L DT.M MC.L 20 1750 Hz tone TX hold 21 Time-out Timer 22 Busy Channel Lockout 23 Power-on message 24 Beep 25 Beat Shift 26 Narrow FM 27 Tuning control lock 28 Automatic dialer 29 DTMF TX
  • Kenwood TM-271A | User Manual - Page 27
    On the display PF 2 PF 3 PF 4 DT BRIGHT ABR WXA 2 RESET Menu No. Function Selections Default Ref. Page 36 Microphone programmable function key 37 Microphone programmable function key 38 Microphone programmable function key MONI/ ENTER/ 1750/ VFO/ MR/ CALL/ MHZ/ REV/ SQL/ M--V/ M.IN/ C.IN
  • Kenwood TM-271A | User Manual - Page 28
    -standard offset (odd-split). In addition, some repeaters must receive a tone from the transceiver to be accessed. For details, consult your 6 local repeater reference. OFFSET PROGRAMMING FLOW q Select a receive frequency. w Select an offset direction. e Select an offset frequency (only when
  • Kenwood TM-271A | User Manual - Page 29
    PROGRAMMING AN OFFSET You must first select an amateur radio repeater downlink frequency as described in "SELECTING AN OFFSET FREQUENCY". SELECTING AN OFFSET DIRECTION Select whether
  • Kenwood TM-271A | User Manual - Page 30
    ACTIVATING THE TONE FUNCTION To activate Tone, press [F], [CALL]. • As you press [F], [CALL], the selection cycles as follows: "OFF" ➞ "TONE" ➞ "CTCSS" ➞ "DCS" ➞ "OFF". • "T" appears on the upper part of display, indicating that the Tone function is activated. Note: You cannot use the Tone function
  • Kenwood TM-271A | User Manual - Page 31
    AUTOMATIC REPEATER OFFSET This function automatically selects an offset direction, according to the frequency on the VHF band. The transceiver is programmed for an offset direction as shown below. To obtain an up-to-date band plan for repeater offset direction, contact your national Amateur Radio
  • Kenwood TM-271A | User Manual - Page 32
    REVERSE FUNCTION The reverse function exchanges a separate reception and transmission frequency. So, while using a repeater, you can manually check the strength of a signal that you receive directly from the other station. If the station's signal is strong, both stations should move to a simplex
  • Kenwood TM-271A | User Manual - Page 33
    Scan. • To quit the function, press any key. • When the tone frequency is identified, a beep sounds and the identified frequency blinks. 3 Press [MENU] to program the identified tone frequency in place of the current tone frequency or press any other key to exit the Tone Frequency ID Scan. • Turn
  • Kenwood TM-271A | User Manual - Page 34
    and related data that you frequently use so that you do not need to reprogram that data every time. You can quickly recall a programmed channel through simple operation. A total of 200 Memory Channels (100 when using the Memory Name function) are available for storing frequencies, modes, and
  • Kenwood TM-271A | User Manual - Page 35
    N/A N/A Yes Yes Yes Yes Yes Yes: Can be stored in memory. N/A: Cannot be stored in memory. Note: ◆ Memory Channel Lockout cannot be set to the Program Scan Memory (L0/U0 ~ L2/U2), the Priority Channel (Pr), or the Weather Alert Channel (AL). ◆ Tone, CTCSS, and DCS are automatically turned OFF when
  • Kenwood TM-271A | User Manual - Page 36
    Mic [UP]/[DWN] to select your desired transmission frequency. 3 Press [F]. 4 Turn the Tuning control or press Mic [UP]/[DWN] to select the pre-programmed reception Memory Channel in which you want to store the data. 5 Press [MR] (1s). • The transmission frequency is stored in the Memory Channel
  • Kenwood TM-271A | User Manual - Page 37
    press Mic Enter after entering the channel number. Note: ◆ You cannot recall an empty Memory Channel. An error beep sounds. ◆ You cannot recall the Program Scan Memory Channels (L0/U0 ~ L2/U2), the Priority Channel (Pr), and the Weather Alert Channel (AL) (K market models only) using the numeric
  • Kenwood TM-271A | User Manual - Page 38
    NAMING A MEMORY CHANNEL You can name Memory Channels using up to 6 alphanumeric characters. When you recall a named Memory Channel, its name appears on the display in place of the stored frequency. Names can be call signs, repeater names, cities, names of people, etc. In order to use the Memory Name
  • Kenwood TM-271A | User Manual - Page 39
    the transmission frequency). To copy the transmit frequency of an odd-split channel, press [REV] before performing the transfer. ◆ You can also transfer the Program Scan memory channels (L0/U0 ~ L2/U2), the Priority Channel (Pr), and the Weather Alert Channel (AL) (K market models only) to the VFO
  • Kenwood TM-271A | User Manual - Page 40
    The tables below illustrate how data is transferred between Memory Channels. Channel 0 ~ 199 a Channel 0 ~ 199 Receive frequency a Receive frequency Transmit frequency a Transmit frequency Tone frequency a Tone frequency Offset direction a Offset direction CTCSS frequency a CTCSS
  • Kenwood TM-271A | User Manual - Page 41
    ] again. REPROGRAMMING THE CALL CHANNEL 1 Select your desired frequency and related data (Tone, CTCSS, DCS, or offset direction, etc.). • When you program the Call Channel as an odd-split channel, select a reception frequency first. 2 Press [F]. • A Memory Channel number appears and blinks. 3 Turn
  • Kenwood TM-271A | User Manual - Page 42
    status are not stored in an odd-split Call Channel. WEATHER ALERT (K MARKET MODELS ONLY) Any of the NOAA Weather Radio channels can be programmed to the AL memory channel of the transceiver. The transceiver can be configured to check the NOAA Weather Alert tone (1050 Hz) and will automatically
  • Kenwood TM-271A | User Manual - Page 43
    4 Press any key other than [MENU] to exit Menu Mode. • The transceiver automatically changes to the AL channel. • The Tone, CTCSS, and DCS functions cannot be configured to the AL channel. • Priority Scan is set to OFF automatically when the Weather Alert function is turned ON. 5 To exit Weather
  • Kenwood TM-271A | User Manual - Page 44
    While in Channel Display mode, you cannot activate the following functions: • VFO Mode • VFO Scan • Call/VFO Scan • MHz Scan • Scan Direction • Memory Store • Memory to VFO Transfer • Memory to Memory Transfer • Clear Memory Channel 7 • VFO Reset • Full Reset • 1 MHz Step • Selection for Tone and
  • Kenwood TM-271A | User Manual - Page 45
    CTCSS tone or DCS code. If the tone or code matches, the transceiver unmutes. Otherwise, it resumes scanning. ◆ Press and hold the Mic PF key programmed as MONI {page 59} to pause scan in order to monitor the scanning frequency. Release the key to resume scanning. ◆ Pressing and holding Mic [PTT
  • Kenwood TM-271A | User Manual - Page 46
    range that is stored in Menu No. 7 (P.VFO) {page 61}. ◆ If you select a frequency within the L0/U0 ~ L2/U2 range in step 2, Program Scan starts. PROGRAM SCAN You can limit the scanning frequency range. There are 3 memory channel pairs (L0/U0 ~ L2/U2) available for specifying the start and end
  • Kenwood TM-271A | User Manual - Page 47
    example, if you have selected "L0" in step 3, select Memory Channel "U0". 8 Press [MR] to store the end frequency in the Memory Channel. ■ Performing Program Scan 1 Press [VFO] and turn the Tuning control to select a frequency within the frequency range of Memory Channel L0/U0 ~ L2/U2. 2 Press [VFO
  • Kenwood TM-271A | User Manual - Page 48
    MEMORY SCAN Memory Scan monitors Memory Channels in which you have stored frequencies. ALL-CHANNEL SCAN The transceiver scans all of the Memory Channels in which you have stored frequencies. 1 Press [MR] (1s). • Scan starts from the last Memory Channel number and ascends up through the channel
  • Kenwood TM-271A | User Manual - Page 49
    of the Priority Channel every 3 seconds. If the transceiver detects a signal on the Priority Channel, it recalls the frequency to the VFO. PROGRAMMING A PRIORITY CHANNEL 1 Press [VFO] and turn the Tuning control or press Mic [UP]/[DWN] to select your desired Priority Channel frequency. 2 Select
  • Kenwood TM-271A | User Manual - Page 50
    the channel is locked out. 6 To unlock the Memory Channel, repeat steps 1 ~ 5, selecting "OFF" in step 3. • The " " icon disappears. Note: ◆ The Program Scan channels (L0/U0 ~ L2/U2), Call Channel, Priority Channel (Pr), and Weather Radio Channel (AL) (K market models only) cannot be locked out
  • Kenwood TM-271A | User Manual - Page 51
    SCAN RESUME METHOD The transceiver stops scanning at the frequency (or Memory Channel) where a signal is detected. It then continues or stops scanning according to which Resume Mode you have selected. • Time-Operated Mode (default) The transceiver remains on a busy frequency (or Memory Channel) for
  • Kenwood TM-271A | User Manual - Page 52
    or DCS code. Received TM-271 CTCSS freq.: 82.5 Hz TM-271 9 CTCSS freq.: 82.5 Hz Rejected Rejected TM-271 CTCSS freq.: 100 Hz TM-271 CTCSS OFF Note CTCSS to function incorrectly. To prevent noise from causing this problem, select an appropriate squelch level {page 14}. ◆ While transmitting
  • Kenwood TM-271A | User Manual - Page 53
    SELECTING A CTCSS FREQUENCY 1 Press [F], [MENU] and turn the Tuning control or press Mic [UP]/[DWN] to select Menu No. 3 (CT). • The current CTCSS frequency appears. 2 Press [MENU] and turn the Tuning control to select your desired CTCSS frequency. • The selectable CTCSS frequencies are the same as
  • Kenwood TM-271A | User Manual - Page 54
    [UP]/[DWN]. • To quit the function, press any key. • When a CTCSS frequency is identified, the identified frequency appears and blinks. 3 Press [MENU] to program the identified frequency in place of the current CTCSS frequency or press any other key to exit the CTCSS Frequency ID Scan. • Turn the
  • Kenwood TM-271A | User Manual - Page 55
    DCS code blinks. • To quit the function, press any key. • When a DCS code is identified, the identified DCS code appears and blinks. 3 Press [MENU] to program the identified DCS code in place of the current DCS code or press any other key to exit the DCS Code ID Scan. • Turn the
  • Kenwood TM-271A | User Manual - Page 56
    speed dialing. Many repeaters in the U.S.A. and Canada offer a service called Autopatch. You can access the public telephone network via such on a push-button telephone plus 4 additional keys (A, B, C, D). To perform Manual Dialing, follow the steps below. 1 Press and hold Mic [PTT] to transmit.
  • Kenwood TM-271A | User Manual - Page 57
    DTMF TX HOLD This function causes the transceiver to remain in transmission mode for 2 seconds after you release each key. So, you can release Mic [PTT] while sending DTMF tones. 1 Press [F], [MENU] and turn the Tuning control to select Menu No. 30 (DT.H). 2 Press [MENU] and turn the Tuning control
  • Kenwood TM-271A | User Manual - Page 58
    6 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 cancel the entry. • To complete an entry of less than 16 digits, press [MENU] two times. 8 Press any key other than [MENU] to exit Menu Mode. CONFIRMING
  • Kenwood TM-271A | User Manual - Page 59
    ADJUSTING THE PAUSE DURATION You can change the pause duration (a space digit) stored in Memory Channels. The default setting is 500 milliseconds. 1 Press [F], [MENU] and turn the Tuning control to select Menu No. 31 (PA). 2 Press [MENU] and turn the Tuning control to select 100, 250, 500 (default),
  • Kenwood TM-271A | User Manual - Page 60
    AUXILIARY FUNCTIONS APO (AUTO POWER OFF) The transceiver switches OFF automatically if no keys or controls are pressed or adjusted for the selected duration. One minute before the transceiver switches OFF, warning beeps sound for a few seconds and "APO" blinks. You can select the APO time from OFF
  • Kenwood TM-271A | User Manual - Page 61
    1 Press [F], [MENU] and turn the Tuning control to select Menu No. 8 (SSQ). 2 Press [MENU] and turn the Tuning control to select "ON" or "OFF" (default). 2 Press [MENU] and turn the Tuning control to select from OFF (default), 125, 250, and 500 ms. 3 Press [MENU] to store the setting. • The S-
  • Kenwood TM-271A | User Manual - Page 62
    3 Press [MENU] to store the setting or any other key to cancel. 4 Press any key other than [MENU] to exit Menu Mode. The transceiver generates the following warning beeps even if the Beep function is turned OFF. • APO warning beeps {page 54} • Weather Alert beep {page 36} • Time-out Timer warning
  • Kenwood TM-271A | User Manual - Page 63
    kHz 12.5 kHz 12.5 kHz 12.5 kHz Note: The market code is printed on the barcode label of the carton box. DISPLAY BACKLIGHT You can manually change the display brightness to match the lighting conditions where you are operating the transceiver. This setting can be permanent or the display can light
  • Kenwood TM-271A | User Manual - Page 64
    LOCK FUNCTION The lock function disables most of the keys to prevent you from accidentally activating a function. Transceiver Lock is suitable for a typical mobile installation where you select most operations using the microphone. 1 Press [F] (1s). • " " appears when this function is ON. DATA
  • Kenwood TM-271A | User Manual - Page 65
    [CALL/A]: Call Channel Select Note: ◆ Turn the transceiver OFF before connecting the microphone. ◆ Menu No. 34 (MCL) must be configured to "OFF" in order to program the microphone keys. 1 Press [F], [MENU] and turn the Tuning control to select one of Menu No. 35 to Menu No. 38 (PF1 ~ PF4). 3 Press
  • Kenwood TM-271A | User Manual - Page 66
    Note: Rather than entering Menu Mode and selecting PF1 ~ PF4, you can simply press and hold the PF key you want to program, then turn the transceiver power ON. When programming the PF keys in this manner, select the function by turning the Tuning control or pressing Mic [UP]/[DWN], press [MENU
  • Kenwood TM-271A | User Manual - Page 67
    model name appears when the transceiver power is turned ON. PROGRAMMABLE VFO To limit the operating frequencies within a certain range, program the upper and lower frequency limits to the program VFO parameters. For example, if you select 144 MHz for the lower limit and 145 MHz for the upper limit
  • Kenwood TM-271A | User Manual - Page 68
    TIME-OUT TIMER The Time-out Timer limits the time of each transmission to a maximum of 3, 5, or 10 (default) minutes. Just before the transceiver stops the transmission, a warning beep sounds. This function is necessary to protect the transceiver from thermal damage and can therefore not be turned
  • Kenwood TM-271A | User Manual - Page 69
    MICROPHONE CONTROL You can change numerous transceiver settings by operating the Mic DTMF keys. The following table shows what function is switched ON and OFF or which setting is changed by pressing the DTMF keys in the appropriate mode of operation. Key RX Mode TX Mode 1 Storing Memory Name
  • Kenwood TM-271A | User Manual - Page 70
    1 DTMF tones are not transmitted in TX Mode if the DTMF Lock function is ON. 2 When transmitting a stored DTMF number, press Mic [PTT]+Mic [PF/D], release Mic [PF/D], then press a Memory Channel number from 0 to 9. To transmit the "D" tone, press Mic [PF/D] again. 3 On the display, is represented by
  • Kenwood TM-271A | User Manual - Page 71
    SP-50B Communications Speaker MCP-1A Memory Control Program (Free Software) The MCP-1A can be downloaded at: http://www.kenwood.com/i/ products/info/amateur.html PG-3B DC Line Noise Filter PG-5A Data Cable (E market only) Programming Cable KMC-30 Microphone KMC-32 DTMF Microphone Although
  • Kenwood TM-271A | User Manual - Page 72
    items unless you feel they are directly related to the service problem. 66 You may return this product for service to the authorized KENWOOD dealer from whom you purchased it, or any authorized KENWOOD service center. A copy of the service report will be returned with the transceiver. Please do not
  • Kenwood TM-271A | User Manual - Page 73
    When claiming warranty service, please include a photocopy of the bill of sale, or other proof-of-purchase showing the date of sale. CLEANING The transceiver seems to be malfunctioning, resetting the microprocessor may solve the problem. The following 2 reset modes are available. When performing the
  • Kenwood TM-271A | User Manual - Page 74
    Full Reset Method 2: 1 Press [F], [MENU] and turn the Tuning control to select Menu No. 99 (RESET). 2 Press [MENU] and turn the Tuning control to select "FULL". 3 Press [MENU]. • "SURE ?" appears. • Press any key other than [MENU] to cancel. 4 Press [MENU] to reset the transceiver. • "WAIT" appears
  • Kenwood TM-271A | User Manual - Page 75
    settings, or operator error due to incomplete programming. These problems are usually not caused by circuit failure. Please review these tables and the appropriate section(s) of this instruction manual before assuming your transceiver is defective. Problem The transceiver will not power up after
  • Kenwood TM-271A | User Manual - Page 76
    Problem Memory Channels cannot be selected by turning the Tuning control or by pressing Mic [UP]/[DWN]. You cannot transmit even though you press Mic [PTT].
  • Kenwood TM-271A | User Manual - Page 77
    SPECIFICATIONS Specifications are subject to change without notice due to advancements in technology. TX frequency range RX frequency range Mode Antenna impedance Usable temperature range Power supply Grounding method General K market models E market models M2, M3 market models M4 market models K
  • Kenwood TM-271A | User Manual - Page 78
    Power output Modulation Spurious emissions Maximum frequency deviation Audio distortion (at 60% modulation) Microphone impedance High Low Circuitry Intermediate frequency (1st/ 2nd) Sensitivity (12 dB SINAD) Selectivity (-6 dB) Selectivity (-60 dB) Squelch sensitivity Audio output (8 Ω, 5%
  • Kenwood TM-271A | User Manual - Page 79
    Cable Connection, Mobile 3 PC Connection 6 TNC Connection 7 Keypad Direct Entry 13 Keys and Controls 9 Lock Function 58 Maintenance 66 Manual 43 Group 42 MHz 41 Priority 43 Program 41 Resume Method 45 Specifications 71 Power 15 Troubleshooting 69 Tuning Control Unlock 58 VFO
  • Kenwood TM-271A | User Manual - Page 80
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© B62-1804-
0
0 (K,E,M2,M3,M4)
09 08 07 06 05 04 03 02 01
00
INSTRUCTION MANUAL
144 MHz FM TRANSCEIVER
VHF FM TRANSCEIVER
TM-271A
144 MHz FM TRANSCEIVER
TM-271E
TM-271
MENU