TM-V708A_user.pdf

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1、 B62-1834-00 (K) 09 08 07 06 05 04 03 02 01 00 KENWOOD CORPORATION INSTRUCTION MANUAL 144/440 MHz FM DUAL BANDER TM-V708A ? TM-V708 THANK YOU! We are grateful you decided to purchase this KENWOOD FM transceiver. KENWOOD always provides Amateur Radio products which surprise and excite serious hobbyis

2、ts. This transceiver is no exception. FEATURES This transceiver has the following main features: Enhanced Programmable Memory (PM) channels store virtually entire current operating environments for your quick recall. Contains a total of 200 memory channels to program frequencies and other various da

3、ta. Allows each memory channel to be named using up to 8 alphanumeric and special ASCII characters. “Visual Scan” graphically and simultaneously shows the conditions of up to 181 frequency channels. Continuous Tone Coded Squelch System (CTCSS) or Digital Code Squelch (DCS) rejects unwanted calls fro

4、m other stations. The front panel can be mounted in a convenient location, separate from the main unit. Equipped with an easy-to-read large LCD with alphanumeric display capability. Control Head Replacement This model has a separate remote control head. We suggest you remove the control head from yo

5、ur automobile when unattended. Removing the control head from the vehicle will reduce the risk of equipment theft. We also suggest that you check with your home or car insurance for additional coverage. The American Radio Relay League (ARRL) also has an insurance plan to cover such incidents. In the

6、 event theft or damage should occur, there are no replacement control head units available from Kenwood. i PRECAUTIONS Please observe the following precautions to prevent fire, personal injury, and transceiver damage: When operating mobile, do not attempt to configure your transceiver while driving;

7、 it is 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 an extended duration; the transceiver may overheat. Do not modify the transceiver un

8、less instructed by this manual or by 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 areas, nor on unstable surfaces. If an abnormal odor or smoke is de

9、tected coming from the transceiver, turn the power OFF immediately. Contact a KENWOOD service station or your dealer. The transceiver is designed for a 13.8 V power source. Never use a 24 V battery to power the transceiver. NOTICES TO THE USER One or more of the following statements may be applicabl

10、e: 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 lose the authority to operate this equipment if an unauthorized

11、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 limits are designed to provide reasonable protection against harmful

12、 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 communications. However, there is no guarantee that the interference will no

13、t 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 interference by one or more of the following measures: Reorient or reloc

14、ate 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. When condensation occurs inside the transceiver: Condensation ma

15、y occur inside the transceiver in such cases where the room is warmed using a heater on cold days or where the transceiver is quickly moved from a cold room to a warm room. When condensation occurs, the microcomputer and/or the transmit/receive circuits may become unstable, resulting in transceiver

16、malfunction. If this happens, turn the transceiver power OFF and wait for a while. When the condensed droplets disappear, the transceiver will function normally. ii CONTENTS CHAPTER4OPERATING BASICS SWITCHING THE POWER ON/OFF . 19 ADJUSTING THE VOLUME . 19 SELECTING A BAND . 19 SELECTING A FREQUENCY

17、 . 20 ADJUSTING THE SQUELCH . 20 TRANSMITTING. 21 Selecting Output Power . 21 CHAPTER5MENU SETUP MENU ACCESS . 22 MENU CONFIGURATION . 23 CHAPTER6OPERATING THROUGH REPEATERS PROGRAMMING OFFSET. 27 Selecting Offset Direction. 27 Selecting Offset Frequency . 27 Activating Tone Function . 28 Selecting

18、a Tone Frequency. 28 AUTOMATIC REPEATER OFFSET . 29 TRANSMITTING A 1750 Hz TONE . 30 REVERSE FUNCTION . 31 AUTOMATIC SIMPLEX CHECK (ASC). 31 TONE FREQUENCY ID. 32 CHAPTER7MEMORY CHANNELS SIMPLEX otherwise vehicle vibration may cause the front panel to fall off the bracket. 6Determine the desired ang

19、le of the front panel, then completely tighten the 2 SEMS screws on the bracket. SEMS screw 4 mm x 14 mm self-tapping screw Flat washer Bracket tab Locking tab SEMS screw 4 1 FIXED STATION INSTALLATION When placing the main unit on a surface such as a desk top, use the supplied cushions to prevent t

20、he surface from being scratched. Attach the 4 cushions to the base of the main unit as illustrated below. Note: Attach the cushions to the flat surface on the main unit; otherwise the installation will be unstable and the cushions may come off easily. MODULAR PLUG CABLE CONNECTION Use the supplied m

21、odular plug cable to connect the front panel to the main unit. Connect the 4-pin plug to the front panel and the 6-pin plug to the main unit. Note: The 6-pin plug is wider than the 4-pin plug. 4-pin plug 6-pin plug 5 1 2After the cable is in place, wind heat-resistant tape around the fuse holder to

22、protect it from moisture, then tie down the full run of cable. 3To prevent the risk of short circuits, disconnect other wiring from the negative () battery terminal before connecting the transceiver. 4Confirm the correct polarity of the connections, then attach the power cable to the battery termina

23、ls; red connects to the positive (+) terminal and black connects to the negative () 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 ne

24、gative terminal. 6Connect the DC power cable to the transceivers power supply connector. Press the connectors firmly together until the locking tab clicks. DC POWER CABLE CONNECTION Mobile Operation The vehicle battery must have a nominal rating of 12 V. Never connect the transceiver to a 24 V batte

25、ry. Be sure 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 the transmit output power may drop excessively. 1Route the supplied DC power cable directly to the vehicles battery termin

26、als using the shortest path from the transceiver. When using a noise filter, install it with an insulator to prevent it from touching metal on the vehicle. We recommend that you do not use the cigarette lighter socket since some cigarette lighter sockets introduce an unacceptable voltage drop. When

27、routing the power cable through a hole in the vehicle chassis or body, for example in the firewall at the front of the passenger compartment, use a rubber grommet to protect the cable from abrasion. Dismantle the fuse holder to pass the cable through the firewall. The entire length of the cable must

28、 be dressed to isolate it from heat, moisture, and the engine secondary (high voltage) ignition system/ cables. Red Black Fuse holder Fuse holder 6 1 2Connect the DC power cable to the transceivers power supply connector. Press the connectors firmly together until the locking tab clicks. Fixed Stati

29、on Operation In order to use this transceiver for fixed station operation, you will need a separate 13.8 V DC power supply (purchased separately). We recommend using a power supply with a current capacity of 12 A. Note: To get the most out of your transceiver, we recommend using the optional PS-33 (

30、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 supply OFF. Do not plug the DC power supply into an AC outlet until you make all connections. 1Connect the DC power cable to the regulated DC power suppl

31、y and check 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 substitute the cable with smaller gauge wires. Fuse holder Black () Re

32、d (+) To AC outlet Regulated DC power supply Fuse holder 7 1 Replacing Fuses If a fuse 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 deal

33、er or an authorized KENWOOD service center for assistance. Only use fuses of the specified type and rating; otherwise the transceiver 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 d

34、ischarged and will not have sufficient reserves to start the vehicle. Avoid using the transceiver under these conditions. ANTENNA CONNECTION Before operating, you must first install an efficient, well-tuned antenna. Successful transceiver operation will depend largely on the type of antenna and its

35、correct installation. The transceiver can give excellent results if the antenna system and its installation are given careful attention. Use a 50 impedance antenna to match the transceiver input impedance. Also use a low-loss coaxial feed line that has a characteristic impedance of 50 . Coupling the

36、 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 nearby broadcast television receivers, radio receivers, and other electronic equipment. Transmitting without first connecting an antenna or other m

37、atched load may damage the transceiver. Always connect an 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. no i t acoLesuFgn i t aRt ner ruCesuF rev i ecsnarTA51 yrossec

38、cAde i l ppuS e l baCrewoPCD A02 Feed line connector Antenna connector To antenna 8 1 ACCESSORY CONNECTIONS External Speakers If you plan to use external speakers, choose speakers with an impedance of 8 . The external speaker jacks accept a 3.5 mm (1/8) mono (2-conductor) plug. For best performance,

39、 we recommend using the optional SP-50B speaker. UP DC 8 V, 200 mA max. GND STBY (PTT) GND (MIC) MIC NC: No connection DWN Microphone To communicate in the voice modes, connect a 600 microphone equipped with an 8-pin modular plug into the modular socket on the front of the main unit. Press firmly on

40、 the plug until the locking tab clicks. Attach a microphone hanger to an appropriate position using the screws included in the screw set. Microphone hanger Microphone hanger screw (3 mm x 10 mm) 9 2 YOUR FIRST QSO If you tend to discard instruction manuals along with the packaging materialplease don

41、t. The 7 steps given here will get you on the air in your first QSO right away. So, you can enjoy the exhilaration that comes with opening a brand new transceiver. After trying the rig for a while, settle back in your most comfortable operating chair with this manual and your favorite drink for an h

42、our or two. The time spent will be worthwhile. YOUR FIRST QSO q rw wew we TM-V708 t y MC-58DM Switch the DC power supply ON, then press the PWR switch. Press BAND SEL to select the VHF or UHF band. Turn the Tuning control to select a frequency. Press and hold Mic PTT, then speak in your normal tone

43、of voice. Release Mic PTT to receive. Repeat steps and to continue communication. Turn the VOL and SQL controls to approximately the 9 o clock position. 10 3 GETTING ACQUAINTED FRONT PANEL Note: This section describes only the main functions of the front panel controls and keys. For the functions no

44、t described here, you will find explanations in the appropriate sections of the manual. qqqqq CALL key Recalls the Call channel page 37. Also starts or stops Call/VFO Scan page 52 when in VFO mode, or Call/Memory Scan page 52 when in Memory Recall mode. wwwww VFO key Selects the VFO mode. In this mo

45、de you can change the operating frequency using the Tuning control or Mic UP/ DWN. Also provides: VFO Scan start to scan the entire VFO range page 48. Program Scan start to scan a programmed range of frequencies page 50. eeeee MR key Selects the Memory Recall mode page 35. In this mode you can chang

46、e memory channels using the Tuning control or Mic UP/ DWN. Also starts Memory Scan page 48. rrrrr Tuning control When turned, selects: Operating frequencies when in VFO mode page 20. Memory channels when in Memory Recall mode page 35. Menu Nos. when in Menu mode page 22. This control is used for var

47、ious other selections. When an up arrow (c) and down arrow (d) are visible as key labels, the Tuning control functions the same as the up and down arrow keys. ttttt MHz key When pressed, selects the MHz mode. In this mode you can change the operating frequency in 1 MHz steps or 10 MHz steps page 20 using the Tuning control or Mic UP/ DWN. Also starts MHz Scan page 51. TM-V708 11 3 yyyyy F (Function) key Allows you to select the secondary functions that are available using multifunction keys. uuuuu TONE k