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TM-281A/ TM-281E
144 MH6 FM TRANSCEIVER
INSTRUCTION MANUAL
ÉMETTEUR-RÉCEPTEUR FM 144 MH6
MODE D’EMPLOI
TRANCEPTOR FM 144 MH6
MANUAL DE INSTRUCCIONES
© B62-2347-10 (K,E,M2)
09 08 07 06 05 04 03 02 01
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INSTRUCTION MANUAL 144 MHz FM TRANSCEIVER TM-281A 144 MHz FM TRANSCEIVER TM-281E NOTIFICATION This equipment complies with the essential requirements of Directive 1999/5/EC. The use of the warning symbol means the equipment is subject to restrictions of use in certain countries. This equipment requires a licence and is intended for use in the countries as below. AT BE DK FI FR DE GR IS IE IT LI LU NL NO PT ES SE CH GB CY CZ EE HU LV LT MT PL SK SI BG RO ISO3166 Information on Disposal of Old E
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THANK YOU! MARKET CODES K: The Americas Thank you for choosing this Kenwood transceiver. E: Europe Kenwood always provides Amateur Radio products which surprise and excite serious hobbyists. This n M : General transceiver is no exception. As you learn how to use this (Where “n” represents a variation number.) transceiver, you will find that Kenwood is pursuing “user The market code is printed on the barcode label of the friendliness”. For example, each time you change the carton box. M
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NOTICES TO THE USER PRECAUTIONS One or more of the following statements may be applicable: Please observe the following precautions to prevent FCC WARNING This equipment generates or uses radio frequency energy. Changes fire, personal injury, and/or transceiver damage: or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction • Do not attempt to configure your transceiver while manual. The user could lose the author
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CONTENTS SUPPLIED ACCESSORIES ...................................... 1 VFO MODE .......................................................... 15 MHz MODE .......................................................... 16 WRITING CONVENTIONS FOLLOWED IN THIS MANUAL ...................................................... 1 DIRECT FREQUENCY ENTRY ..................................... 16 CHAPTER 1 PREPARATION CHAPTER 5 MENU SETUP MOBILE INSTALLATION .......................................... 2 WHAT IS A MEN
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CHAPTER 9 SELECTIVE CALL USING THE TUNING CONTROL ................................... 30 USING THE MICROPHONE KEYPAD ............................. 31 CTCSS AND DCS ................................................... 46 1 CLEARING A MEMORY CHANNEL ....................... 31 CTCSS .................................................................... 46 2 NAMING A MEMORY CHANNEL ........................... 32 SELECTING A CTCSS FREQUENCY ........................... 47 CTCSS FREQUENCY ID SCAN ........
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DISPLAY BACKLIGHT ............................................ 57 PERMANENT BACKLIGHT ........................................... 57 AUTOMATIC BACKLIGHT ............................................ 57 LOCK FUNCTION ................................................... 58 TUNE ENABLE ....................................................... 58 MICROPHONE PF KEYS (KEYPAD MODELS ONLY) .... 59 NARROW BAND FM OPERATION ......................... 60 POWER-ON MESSAGE ........................................
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SUPPLIED ACCESSORIES WRITING CONVENTIONS FOLLOWED IN THIS MANUAL After carefully unpacking the transceiver, identify the The writing conventions described below have been items listed in the table below. We recommend you keep followed to simplify instructions and avoid unnecessary the box and packaging for shipping. repetition. A market area code (K, E, M2) can be found on the label Instruction What to do attached to the package box. Press [KEY].e Press and releas KEY. Accessory Qty Press Pr
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PREPARATION 2 Position the transceiver, then insert and tighten MOBILE INSTALLATION 1 the supplied hexagon SEMS screws (4) and flat To install the transceiver, select a safe, convenient washers (4). location inside your vehicle that minimizes danger to your • Double check that all hardware is tightened to prevent passengers and yourself while the vehicle is in motion. vehicle vibration from loosening the bracket or Consider installing the unit at an appropriate position so transceiver.
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4 Confirm the correct polarity of the connections, then DC POWER CABLE CONNECTION attach the power cable to the battery terminals; red connects to the positive (+) terminal and black connects to the negative (–) terminal. 1 Locate the power input connector as close to the transceiver as possible. • Use the full length of the cable without cutting off excess even if the cable is longer than required. In particular, never remove the fuse holders from the cable. MOBILE OPERATION Red The vehi
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2 Connect the transceiver’s DC power connector to the FIXED STATION OPERATION connector on the DC power cable. In order to use this transceiver for fixed station operation, • Press the connectors firmly together until the locking tab you will need a separate 13.8 V DC power supply (not 1 clicks. included). The recommended current capacity of your power supply is 14 A or more. 1 Connect the DC power cable to the regulated DC power supply and ensure that the polarities are correct (Red: po
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REPLACING FUSES ANTENNA CONNECTION If the fuse blows, determine the cause, then correct the Before operating, install an efficient, well-tuned antenna. problem. After the problem is resolved, replace the fuse. The success of your installation will depend largely on 1 If newly installed fuses continue to blow, disconnect the type of antenna and its correct installation. The the power cable and contact your authorized Kenwood transceiver can give excellent results if the antenna dealer or
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ACCESSORY CONNECTIONS MICROPHONE For voice communications, connect a 600 Ω microphone EXTERNAL SPEAKER equipped with an 8-pin modular plug into the modular 1 socket on the front of the main unit. Press firmly on the If you plan to use an external speaker, choose a speaker plug until the locking tab clicks. with an impedance of 8 Ω. The external speaker jack accepts a 3.5 mm (1/8") mono (2-conductor) plug. We recommend using the SP-50B speaker. Attach the supplied microphone hanger in an
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PC CONNECTION 1 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/software_download.html Note: Ask your dealer about purchasing a Programming Cable. 7
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YOUR FIRST QSO Press [ ] (Power) briefly to switch the transceiver 1 power ON. Are you ready to give your transceiver a quick try? Reading this section should get your voice on the • A high pitched double beep sounds and a Power-on 2 message appears momentarily. The various indicators air right away. The instructions below are intended and the current operating frequency appear on the LCD. only as a quick guide. If you encounter problems or there is something you would like to know m
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GETTING ACQUAINTED Press [F] then press [MENU] to enter Menu Mode FRONT PANEL {page 18}. Note: This section describes only the main functions of the front panel controls. Explanations for functions not described here are Turn to select: provided in the appropriate sections of this instruction manual. • Operating frequencies when in VFO Mode {page 15}. • Memory Channels when in Memory Recall Mode 3 {page 30}. • Menu Nos. when in Menu Mode {page 18}. • Scan direction while scanning {p
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8 In MR Mode, press [F] then press [VFO] to transfer DISPLAY the contents of the selected Memory Channel to the 1 2 3 4 5 6 7 9 10 11 VFO {page 33}. t MR key Press to enter Memory Recall Mode {page 30}. In this mode, you can change memory channels using the 3 Tuning control or Mic [UP]/[DWN]. Press and hold for 1 second while in Memory Recall Mode to begin Memory Scan {page 42}. 17 16 15 14 13 12 Press [F], use the Tuning control to select the desired channel, then press [MR] to rep
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14 6 Appears when the Automatic Simplex Check (ASC) Appears when the Memory Channel Lockout function is function is activated {page 26}. ON {page 44}. 15 7 Appears when the Priority Scan function is activated Shows the strength of transmitted {page 15} and received {page 44}. {page 54} signals. 3 8 indicates the squelch is open and the frequency is “busy”. It also appears when the squelch is set to Appears when the Weather Alert function is activated minimum {page 14}. If using CTCSS
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REAR PANEL MICROPHONE 3 DTMF Microphone Microphone (KMC-30) q Antenna connector q PTT (Push-to-Talk) switch Connect an external antenna {page 5} here. When Press and hold to transmit. Release to receive. making test transmissions, connect a dummy load in place of the antenna. The antenna system or load w DWN/ key should have an impedance of 50 Ω. Note: E market models use an N-type antenna connector while Press to lower the operating frequency, Memory other models use an M
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r CALL/A key MIC KEYPAD DIRECT ENTRY Identical to the front panel CALL key. This key can be The microphone keypad (keypad models only) allows you reprogrammed if desired {page 59}. Press and hold to make various entries depending on which mode the Mic [PTT], then press [CALL/A] to transmit A. transceiver is in. In VFO or Memory Recall mode, use the Mic keypad to t VFO/B key select a frequency {page 16} or Memory Channel number 3 Identical to the front panel VFO key. This key can be {
