Manuel d'utilisation / d'entretien du produit TM-281A du fabricant Kenwood
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INSTRUCTION MANUAL 144 MHz FM TRANSCEIVER TM-281A 144 MHz FM TRANSCEIVER TM-281E ENGLISH Information on Disposal of Old Electrical and Electronic Equipment and Batteries (applicable for EU countries t.
THANK YOU! Thank you for choosing this Kenwood transceiver. Kenwood always provides Amateur Radio products which surprise and excite serious hobbyists. This transceiver is no exception. As you learn how to use this transceiver, you will find that Kenwood is pursuing “user friendliness”.
i PRECAUTIONS Please observe the following precautions to prevent fire, personal injury, and/or transceiver damage: • 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.
ii CONTENTS VFO M ODE .......................................................... 15 MHz M ODE .......................................................... 16 D IRECT F REQUENCY E NTRY ..................................... 16 CHAPTER 5 MENU SETUP WHAT IS A MENU? .
iii 14 13 12 11 10 9 8 7 6 5 4 3 2 1 CHAPTER 9 SELECTIVE CALL CTCSS AND DCS ................................................... 46 CTCSS .................................................................... 46 S ELECTING A CTCSS F REQUENCY ............
iv DISPLAY BACKLIGHT ............................................ 57 P ERMANENT B ACKLIGHT ........................................... 57 A UTOMATIC B ACKLIGHT ............................................ 57 LOCK FUNCTION .............................
1 SUPPLIED ACCESSORIES After carefully unpacking the transceiver, identify the items listed in the table below. We recommend you keep the box and packaging for shipping. A market area code (K, E, M2) can be found on the label attached to the package box.
2 1 PREPARATION 2 Position the transceiver, then insert and tighten the supplied hexagon SEMS screws (4) and flat washers (4). • Double check that all hardware is tightened to prevent vehicle vibration from loosening the bracket or transceiver.
3 1 4 Confirm the correct polarity of the connections, then attach the power cable to the battery terminals; 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.
4 1 2 Connect the transceiver’s DC power connector to the connector on the DC power cable. • Press the connectors firmly together until the locking tab clicks. Note: ◆ For your transceiver to fully exhibit its performance capabilities, we recommend using the optional PS-60 (22.
5 1 R EPLACING F USES 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 blow, disconnect the power cable and contact your authorized Kenwood dealer or an authorized Kenwood service center for assistance.
6 1 ACCESSORY CONNECTIONS E XTERNAL S PEAKER If you plan to use an external speaker, choose a speaker with an impedance of 8 Ω . The external speaker jack accepts a 3.
7 1 PC C ONNECTION 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.
8 2 Are you ready to give 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.
9 3 GETTING ACQUAINTED FRONT PANEL Note: This section describes only the main functions of the front panel controls. Explanations for functions not described here are provided in the appropriate sections of this instruction manual. . ; =B> : @ q (Power) switch/ Volume control Press to switch the transceiver power ON or OFF {page 14}.
10 3 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 the Tuning control or Mic [UP] / [DWN] .
11 3 6 Appears when the Automatic Simplex Check (ASC) function is activated {page 26}. 7 Appears when the Priority Scan function is activated {page 44}. 8 Appears when the Weather Alert function is activated {page 36}. (K market models only.) 9 Appears when narrow FM Mode is selected {page 60}.
12 3 REAR PANEL :@ . q Antenna connector Connect an external antenna {page 5} here. When making test transmissions, connect a dummy load in place of the antenna. The antenna system or load should have an impedance of 50 Ω . Note: E market models use an N-type antenna connector while other models use an M-type (SO-239) connector.
13 3 r CALL/A key Identical to the front panel CALL key. This key can be reprogrammed if desired {page 59}. Press and hold Mic [PTT] , then press [CALL/A] to transmit A. t VFO/B key Identical to the front panel VFO key. This key can be reprogrammed if desired {page 59}.
14 4 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. 2 To switch the transceiver OFF, press [ ] (Power) (1s) .
15 4 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 ( ).
16 4 MH Z M ODE 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. 2 Turn the Tuning control to select the desired MHz value.
17 4 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.
18 5 MENU SETUP WHAT IS A MENU? Many functions on this transceiver are 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.
19 5 MENU FUNCTION LIST P T S1 e z i s p e t s y c n e u q e r F / 0 5 / 0 3 / 5 2 / 0 2 / 5 1 / 5 . 2 1 / 0 1 / 5 2 . 6 / 5 / 5 . 2 z H k 0 0 1 e e s ( s e i r a V ) e g a p e c n e r e f e r 6 5 T2 y c n e u q e r f e n o Tz H 1 . 4 5 2 ~ 0 . 7 65 .
20 5 K C9 1y e k L L A C0 5 7 1 / L L A C e e s ( s e i r a V ) e g a p e c n e r e f e r 5 3 , 5 2 D L H0 2d l o h X T e n o t z H 0 5 7 1F F O / N OF F O5 2 T O T1 2r e m i T t u o - e m i T. n i m 0 1 / 5 / 30 12 6 L C B2 2t u o k c o L l e n n a h C y s u BF F O / N OF F O6 5 G S M .
21 5 2 F P6 3 e l b a m m a r g o r p e n o h p o r c i M y e k n o i t c n u f / L L A C / R M / O F V / 0 5 7 1 / R E T N E / I N O M / N I . C / N I .
22 6 OPERATING THROUGH REPEATERS Repeaters, which are often installed and maintained by radio clubs, are usually located on mountain tops or other elevated locations. They generally operate at higher ERP (Effective Radiated Power) than a typical station.
23 6 PROGRAMMING AN OFFSET You must first select an amateur radio repeater downlink frequency as described in “S ELECTING AN O FFSET F REQUENCY ”. S ELECTING AN O FFSET D IRECTION Select whether the transmit frequency will be higher (+) or lower (–) than the receive frequency.
24 6 A CTIVATING THE T ONE F UNCTION 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 the display, indicating that the Tone function is activated.
25 6 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 association.
26 6 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 frequency and free up the repeater.
27 6 Note: ◆ Pressing [PTT] causes the “ ” icon to quit blinking. ◆ ASC can be activated while operating in Simplex Mode. However, it does not change the Transmission/Reception frequencies. ◆ ASC does not function while scanning. ◆ Activating ASC while using Reverse switches Reverse OFF.
28 7 MEMORY CHANNELS In Memory Channels, you can store frequencies and related data that you frequently use so that you do not need to reprogram that data every time.
29 7 The data listed below can be stored in each Memory Channel: y c n e u q e r f e v i e c e R s e Y s e Y y c n e u q e r f t i m s n a r Ts e Y y c n e u q e r f e n o Ts e Ys e Y N O e n o Ts e Y.
30 7 • Memory Channel numbers L0/U0 ~ L2/U2 {page 40}, Pr {page 43}, and AL (Weather Alert) {page 36} (K market models only) are reserved for other functions. 5 Turn the Tuning control or press Mic [UP] / [DWN] to select the Memory Channel in which you want to store the data.
31 7 U SING THE M ICROPHONE K EYPAD You can also recall a Memory Channel by entering a desired Memory Channel number with the microphone keypad. 1 Press [MR] to enter Memory Recall mode. 2 Press the microphone key assigned the ENTER function. 3 Enter the channel number using the microphone keypad.
32 7 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.
33 7 MEMORY CHANNEL TRANSFER M EMORY VFO T RANSFER After retrieving frequencies and associated data from Memory Recall Mode, you can copy the data to the VFO. This function is useful, for example, when the frequency you want to monitor is near the frequency stored in a Memory Channel.
34 7 The tables below illustrate how data is transferred between Memory Channels. ∆ y c n e u q e r f e v i e c e R ∆ y c n e u q e r f e v i e c e R y c n e u q e r f t i m s n a r T ∆ y c n e .
35 7 CALL CHANNEL Call Channel default settings: • On K and M market models, pressing [CALL] changes the transceiver to the Call Channel. • On E market models, pressing [CALL] causes the transceiver to transmit a 1750 Hz tone {page 25}. The Call Channel can be recalled instantly no matter what frequency the transceiver is operating on.
36 7 Note: ◆ When you recall an odd-split Call Channel, “+” and “–” appear on the display. ◆ Transmit offset status and Reverse status are not stored in an odd-split Call Channel. WEATHER ALERT (K M ARKET M ODELS O NLY ) Any of the NOAA Weather Radio channels can be programmed to the AL memory channel of the transceiver.
37 7 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.
38 7 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.
39 8 SCAN Scan is a useful function for hands-off monitoring of your favorite frequencies. By becoming comfortable with all types of scan, you will increase your operating efficiency. This transceiver provides the following types of scans. l a m r o N n a c S n a c S d n a B e h t f o d n a b e r i t n e e h t s n a c S .
40 8 NORMAL SCAN When you are operating the transceiver in VFO Mode, 3 types of scanning are available: Band Scan, Program Scan, and MHz Scan. B AND S CAN The transceiver scans the entire band of the frequency you selected. For example, if you are operating and receiving at 144.
41 8 7 Turn the Tuning control or press Mic [UP] / [DWN] to select a matching Memory Channel from U0 ~ U2. • For 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.
42 8 MEMORY SCAN Memory Scan monitors Memory Channels in which you have stored frequencies. A LL -C HANNEL S CAN 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 numbers (default).
43 8 CALL SCAN You can alternate between monitoring the Call Channel and the current operating frequency. 1 Select the frequency (in VFO or Memory Recall Mode) you want to monitor. • In VFO Mode, turn the Tuning control or press Mic [UP] / [DWN] to select the desired frequency.
44 8 U SING P RIORITY S CAN 1 Press [F] , [MENU] and turn the Tuning control to select Menu No. 12 (PRI). 2 Press [MENU] and turn the Tuning control to select “ON” or “OFF” (default). 3 Press [MENU] to store the setting or any other key to cancel.
45 8 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.
46 9 SELECTIVE CALL CTCSS AND DCS You may sometimes want to hear calls from only specific persons or groups. In this case, use Selective Call. This transceiver is equipped with CTCSS (Continuous Tone Coded Squelch System) and DCS (Digital Coded Squelch).
47 9 S ELECTING A CTCSS F REQUENCY 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.
48 9 • While scanning, the decimal point of the CTCSS frequency blinks. • To reverse the scan direction, turn the Tuning control or press Mic [UP] / [DWN] . • To quit the function, press any key. • When a CTCSS frequency is identified, the identified frequency appears and blinks.
49 9 • The available DCS codes are shown in the following table. 3 2 05 6 02 3 15 0 25 5 21 3 33 1 45 6 42 1 61 3 7 5 2 01 7 04 3 12 1 21 6 22 3 33 2 46 6 44 2 62 3 7 6 2 02 7 03 4 13 2 23 6 23 4 31.
50 10 DUAL TONE MULTI-FREQUENCY (DTMF) FUNCTIONS This transceiver provides you with 10 dedicated DTMF Memory Channels. You can store a DTMF number (16 digits max.) in each of these channels to recall later for speed dialing. Many repeaters in the U.S.
51 10 DTMF TX H OLD 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.
52 10 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.
53 10 A DJUSTING THE P AUSE D URATION 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), 750, 1000, 1500, or 2000 ms.
54 11 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.
55 11 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). 3 Press [MENU] to store the setting. • The S-meter setting segments appear. 4 Press any key other than [MENU] to exit Menu Mode.
56 11 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.
57 11 The default step size for each model is as follows: Kz H k 5 Ez H k 5 . 2 1 2 Mz H k 5 . 2 1 Market Code Default Frequency Step Size 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.
58 11 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) .
59 11 MICROPHONE PF KEYS (K EYPAD M ODELS O NLY ) You can access many transceiver settings without using transceiver keys or controls. Microphone keys PF/D, MR/C, VFO/B, and CALL/A are programmable with transceiver functions.
60 11 NARROW BAND FM OPERATION By default, the transceiver operates in normal FM (±5 kHz) mode for both transmission and reception. You can also operate the transceiver in narrow band FM (±2.5 kHz). To operate the transceiver in narrow band FM: 1 Press [F] , [MENU] and turn the Tuning control to select Menu No.
61 11 6 Press [MENU] to complete the setting and store the Power-on message. 7 Press any key other than [MENU] to exit Menu Mode. Note: If a Power-on message is not set, the transceiver model name appears when the transceiver power is turned ON.
62 11 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 OFF.
63 12 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.
64 12 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.
65 13 OPTIONAL ACCESSORIES MC-60A Stand Microphone (MJ-88 required) PG-2N DC Power Cable Programming Cable 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/software_download.
66 14 TROUBLESHOOTING MAINTENANCE G ENERAL I NFORMATION This product has been factory aligned and tested to specification before shipment. Under normal circumstances, the transceiver will operate in accordance with these instructions. All adjustable trimmers, coils, and resistors in the transceiver were preset at the factory.
67 14 Note: ◆ Record the date of purchase, serial number and dealer from whom this product was purchased. ◆ For your own information, retain a written record of any maintenance performed on this product. ◆ When claiming warranty service, please include a photocopy of the bill of sale, or other proof-of-purchase showing the date of sale.
68 14 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.
69 14 TROUBLESHOOTING The problems described in the following tables are commonly encountered operational malfunctions. These types of difficulties are usually caused by improper hook-up, accidental incorrect control settings, or operator error due to incomplete programming.
70 14 t o n n a c s l e n n a h C y r o m e M e h t g n i n r u t y b d e t c e l e s e b g n i n u T y b r o l o r t n o c c i M g n i s s e r p ] P U [ / ] N W D [ .
71 SPECIFICATIONS Specifications are subject to change without notice due to advancements in technology. e g n a r y c n e u q e r f X T e g n a r y c n e u q e r f X R e d o M ) M F ( E 3 F e c n a d e p m i a n n e t n A 0 5 e g n a r e r u t a r e p m e t e l b a s U y l p p u s r e w o P C D V 8 .
72 t u p t u o r e w o P h g i H W 6 w o LW 5 2 . x o r p p A n o i t a l u d o M s n o i s s i m e s u o i r u p S s s e l r o B d 0 6 – n o i t a i v e d y c n e u q e r f m u m i x a M : e d i W ± z H k 5 : w o r r a N ± z H k 5 .
73 INDEX 1750 Hz .................................. 25 Accessories Optional ............................... 65 Supplied ................................ 1 All-Channel Scan .................... 42 Automatic Power Off ............... 54 Automatic Repeater Offset .
Bu ürün 26891sayılı Resmi Gaze te’ de yayımlanan Elektrikli ve Elektronik Eş yalarda Baz ı Zararlı Maddelerin Kullanımının Sınırlandırılmasına Dair Y önetmeliğe uygun olarak üretilmiştir .
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté Kenwood TM-281A c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du Kenwood TM-281A - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation Kenwood TM-281A, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le Kenwood TM-281A va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le Kenwood TM-281A, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du Kenwood TM-281A.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le Kenwood TM-281A. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei Kenwood TM-281A ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
