TM-271A_E_user.pdf

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1、 B62-1804-00 (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-271MENU THANK YOU! Thank you for choosing this KENWOOD transceiver. KENWOOD always provides Amateur Radio products which surprise and excit

2、e serious hobbyists. This transceiver is no exception. As you learn how to use this transceiver, you will find that KENWOOD is pursuing “user friendliness”. For example, each time you change the Menu No. in Menu mode, you will see a text message on the display that lets you know what you are configu

3、ring. Though user friendly, this transceiver is technically sophisticated and some features may be new to you. Consider this manual to be a personal tutorial from the designers. Allow the manual to guide you through the learning process now, then act as a reference in the coming years. KENWOOD belie

4、ves 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:144 MHz FM Transceiver TM-271A:VHF FM Transceiver TM-271E:144 MHz FM Transceiver MARKET CODES K:The Americas E:Europe

5、Mn:General (Where “n” represents a variation number.) The market code is printed on the barcode label of the carton box. Refer to the product specifications pages 71, 72 for information on the available operating frequencies within each model. For accessories supplied with the model, refer to page 1

6、. FEATURES Weather Alert Radio function checks the 1050 Hz tone from NOAA (U.S.A./ Canada only). Menu allows for easy control and selecting of various functions. Up to 200 memory channels to program frequencies and other various data. (Up to 100 memory channels if Memory Channel Names are assigned t

7、o the channels.) Continuous Tone Coded Squelch System (CTCSS) or Digital Code Squelch (DCS) rejects unwanted calls from other stations. Equipped with an easy-to-read large LCD with alphanumeric display capability. The dedicated DATA connector is available for 1200 bps or 9600 bps Packet operation (E

8、 market models only). Free PC software (Memory Control Program) is available to program the frequency, signalling, and other settings of your transceiver. The MCP can be downloaded at: i PRECAUTIONS Please observe the following precautions to prevent fire, personal injury, and/or transceiver damage:

9、 Do not attempt to configure your transceiver while driving; it is simply too dangerous. Be aware of local laws pertaining to the use of headphones/headsets while driving on public roads. If in doubt, do not wear headphones while mobiling. Do not transmit with high output power for extended periods;

10、 the transceiver may overheat. Do not modify the transceiver unless instructed by this manual or other KENWOOD documentation. Do not expose the transceiver to long periods of direct sunlight nor place it close to heating appliances. Do not place the transceiver in excessively dusty, humid or wet are

11、as, nor on unstable surfaces. If an abnormal odor or smoke is 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 V power source. Never use a 24 V battery to power the transceiver. NOTICES TO

12、THE USER One or more of the following statements may be applicable: FCC WARNING This equipment generates or uses radio frequency energy. Changes or modifications to this equipment may cause harmful interference unless the modifications are expressly approved in the instruction manual. The user could

13、 lose the authority to operate this equipment if an unauthorized change or modification is made. INFORMATION TO THE DIGITAL DEVICE USER REQUIRED BY THE FCC This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These lim

14、its are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can generate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communicati

15、ons. However, there is no guarantee that the 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, the user is encouraged to try to correct the interfe

16、rence by one or more of the following measures: Reorient or relocate the receiving antenna. Increase the separation between the equipment and receiver. Connect the equipment to an outlet on a circuit different from that to which the receiver is connected. Consult the dealer for technical assistance.

17、 When condensation occurs inside the transceiver: Condensation may occur inside the transceiver when the room is warmed using a heater on a cold day or when the transceiver is quickly moved from a cold location to a warm location. When condensation occurs, the microcomputer and/or the transmit/recei

18、ve circuits may become unstable, resulting in transceiver malfunction. If this happens, turn OFF the transceiver and wait for a while. When the condensed droplets disappear, the transceiver will function normally. ii CONTENTS SELECTING A FREQUENCY . 15 VFO MODE. 15 MHz MODE. 16 DIRECT FREQUENCY ENTR

19、Y. 16 CHAPTER5MENU SETUP WHAT IS A MENU?. 18 MENU ACCESS . 18 MENU FUNCTION LIST . 19 CHAPTER6OPERATING THROUGH REPEATERS OFFSET PROGRAMMING FLOW. 22 PROGRAMMING AN OFFSET . 23 SELECTING AN OFFSET DIRECTION. 23 SELECTING AN OFFSET FREQUENCY. 23 ACTIVATING THE TONE FUNCTION. 24 SELECTING A TONE FREQU

20、ENCY. 24 AUTOMATIC REPEATER OFFSET . 25 TRANSMITTING A 1750 Hz TONE . 25 REVERSE FUNCTION . 26 AUTOMATIC SIMPLEX CHECK (ASC). 26 TONE FREQUENCY ID SCAN . 27 CHAPTER7MEMORY CHANNELS NUMBER OF MEMORY CHANNELS . 28 SIMPLEX red connects to the positive (+) terminal and black connects to the negative ()

21、terminal. 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. 5Reconnect any wiring removed from the negative terminal. 6Connect the DC power cable to the transceivers power supply connect

22、or. Press the connectors firmly together until the locking tab clicks. DC POWER CABLE CONNECTION Locate the power input connector as close to the transceiver as possible. MOBILE OPERATION The vehicle battery must have a nominal rating of 12 V. Never connect the transceiver to a 24 V battery. Be sure

23、 to use a 12 V vehicle battery that has sufficient current capacity. If the current to the transceiver is insufficient, the display may darken during transmission, or transmit output power may drop excessively. 1Route the DC power cable supplied with the transceiver directly to the vehicles battery

24、terminals using the shortest path from the transceiver. If using a noise filter, it should be installed with an insulator to prevent it from touching metal on the vehicle. We recommend you do not use the cigarette lighter socket as some cigarette lighter sockets introduce an unacceptable voltage dro

25、p. The entire length of the cable must be dressed so it is isolated from heat, moisture, and the engine secondary (high voltage) ignition system/ cables. 2After the cable is in place, wrap heat-resistant tape around the fuse holder to protect it from moisture and tie down the full run of cable. 3To

26、prevent the risk of short circuits, disconnect other wiring from the negative () battery terminal before connecting the transceiver. Red Black Fuse holder Fuse holder Fuse holder 4 1 2Connect the transceivers DC power connector to the connector on the DC power cable. Press the connectors firmly toge

27、ther until the locking tab clicks. Note: For your transceiver to fully exhibit its performance capabilities, we recommend using the optional PS-33 (20.5 A, 25% duty cycle) power supply. Before connecting the DC power supply to the transceiver, be sure to switch the transceiver and the DC power suppl

28、y OFF. Do not plug the DC power supply into an AC outlet until you make all connections. FIXED STATION OPERATION In order to use this transceiver for fixed station operation, you will need a separate 13.8 V DC power supply (not included). The recommended current capacity of your power supply is 12 A

29、. 1Connect 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 to an AC outlet. Use the supplied DC power cable to connect the transceiver to a regulated power supply. Do not substitu

30、te a cable with smaller gauge wires. To AC outlet Regulated DC power supply Black () Red (+) Fuse holder Fuse holder Fuse holder 5 1 REPLACING FUSES If the fuse blows, determine the cause, then correct the problem. After the problem is resolved, replace the fuse. If newly installed fuses continue to

31、 blow, disconnect the power cable and contact your authorized KENWOOD dealer or an authorized KENWOOD service center for assistance. no i t acoLesuFgn i t aRt ner ruCesuF rev i ecsnarTA51 yrosseccAde i l ppuS e l baCrewoPCD A02 Only use fuses of the specified type and rating; otherwise the transceiv

32、er could be damaged. Note: If you use the transceiver for a long period when the vehicle battery is not fully charged, or when the engine is OFF, the battery may become discharged, and will not have sufficient reserves to start the vehicle. Avoid using the transceiver under these conditions. ANTENNA

33、 CONNECTION Before operating, install an efficient, well-tuned antenna. The success of your installation will depend largely on the type of antenna and its correct installation. The transceiver can give excellent results if the antenna system and its installation are given careful attention. Use a 5

34、0 impedance antenna and low-loss coaxial feed line that has a characteristic impedance of 50 , to match the transceiver input impedance. Coupling the antenna to the transceiver via feed lines having an impedance other than 50 reduces the efficiency of the antenna system and can cause interference to

35、 nearby broadcast television receivers, radio receivers, and other electronic equipment. Note: E market models use an N-type antenna connector while other models use an M-type (SO-239) connector. Transmitting without first connecting an antenna or other matched load may damage the transceiver. Alway

36、s connect the antenna to the transceiver before transmitting. All fixed stations should be equipped with a lightning arrester to reduce the risk of fire, electric shock, and transceiver damage. Feed line connector Antenna connector To antenna 6 1 ACCESSORY CONNECTIONS EXTERNAL SPEAKER If you plan to

37、 use an external speaker, choose a speaker with an impedance of 8 . The external speaker jack accepts a 3.5 mm (1/8) mono (2-conductor) plug. We recommend using the SP-50B speaker. MICROPHONE For voice communications, connect a 600 microphone equipped with an 8-pin modular plug into the modular sock

38、et on the front of the main unit. Press firmly on the plug until the locking tab clicks. Attach the supplied microphone hanger in an appropriate location using the screws included in the screw set. Microphone hanger Microphone hanger screw (3 mm x 10 mm) Keypad serial data? No Connection? MIC, 600 i

39、mpedance GND (MIC)? PTT? GND? DC 8 V, 100 mA max? No Connection PC CONNECTION 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

40、the following URL: Note: Ask your dealer about purchasing a Programming Cable. 7 1 CONNECTING TO A TNC (E MARKET MODELS ONLY) To connect an external TNC to 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

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43、qer f l eveLtuptuO )hg iH(V5+:hc l euqsnepO )woL(V0:hc l euqsdeso lC Note: If the external TNC has a common pin for 1200 bps and 9600 bps data output, connect this pin to the DATA connector PR9 pin. Shorting the PR9 and PR1 pins will cause the TNC to malfunction. Adjust the transceiver data communic

44、ation speed (1200 bps or 9600 bps) as necessary page 58. If DC voltage is input to the PR1 pin, the external TNC may not function. If this problem happens, add a 10 F capacitor between the PR1 pin and the TNC. Be careful with the polarity of the capacitor. GND 8 2 YOUR FIRST QSO Are you ready to giv

45、e your transceiver a quick try? Reading this section should get 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. YOUR FI

46、RST QSO q Press (Power) briefly to switch the transceiver power ON. A high pitched double beep sounds and a Power-on message appears momentarily. The various indicators and the current operating frequency appear on the LCD. The transceiver stores the current parameters when it is turned OFF and auto

47、matically recalls those parameters the next time you turn the transceiver ON. w Turn the Volume control clockwise, to the 9 oclock position. e Turn the Tuning control to select a reception frequency. You may further turn the Volume control to adjust the volume level of the signal. r To transmit, hold the microphone approximately 5 cm (2 inches) from your mouth. t Press and hold Mic PTT, then speak in your normal tone of voice. y Release Mic PTT to receive. u Repeat steps r, t, and y to continue communication. TM