English dropdown-ico

Manual Kenwood TM-281A

81 pages 1.4 mb
Download

Go to site of 81

Summary
  • Kenwood TM-281A - page 1

    !"#$%&%'()&*+",-./.0%1 +2"+3"+)"+$"+4"+("+'"+%"+* *(("056"70"89:;<=/>?/9" >;<89@=8>A;"0:;@:B"" C0/88/@9&9C=/D8/@9"70"*(("056 0AE/"EF/0DBA> 89:;=/D8A9"70"*(("056 0:; @:B "E/ ">; ...

  • Kenwood TM-281A - page 2

    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 tha t have adopted separate waste c ollection systems) Pr oducts and batteries with the symbol (crossed-out wheeled bin) cannot be disposed as househol ...

  • Kenwood TM-281A - page 3

    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”. For example, each time you change the Menu No. in Menu mod ...

  • Kenwood TM-281A - page 4

    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. If in doubt, do not wear headphones whi ...

  • Kenwood TM-281A - page 5

    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? ................................................ 18 MENU ACCESS .......................... ...

  • Kenwood TM-281A - page 6

    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 ........................... 47 CTCSS F REQUENCY ID S CAN ................................ 47 DCS .............. ...

  • Kenwood TM-281A - page 7

    iv DISPLAY BACKLIGHT ............................................ 57 P ERMANENT B ACKLIGHT ........................................... 57 A UTOMATIC B ACKLIGHT ............................................ 57 LOCK FUNCTION ................................................... 58 TUNE ENABLE ....................................................... 58 MI ...

  • Kenwood TM-281A - page 8

    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. Accessory Qty Microphone M2 market (KMC-30) 1 K, E market (DTMF Mic) DC power cable (Blade) 1 F ...

  • Kenwood TM-281A - page 9

    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. • Determine the appropriate angle of the transceiver, using the 3 screw hole positions on the side of ...

  • Kenwood TM-281A - page 10

    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. In particular, never remove the fuse hold ...

  • Kenwood TM-281A - page 11

    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 A, 25% duty cycle) power supply. ◆ Before connecting the DC po ...

  • Kenwood TM-281A - page 12

    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. r e v i e c s n a r TA 5 1 y r o s s e c c A ...

  • Kenwood TM-281A - page 13

    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 3.5 mm (1/8") mono (2-conductor) plug. We recommend using the SP-50B speaker. M ICROPHONE For voice communications, connect a 600 Ω microphone equipped with an 8-pin modular plug ...

  • Kenwood TM-281A - page 14

    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.kenwood.com/i/products/info/amateur/software_download.html Note: Ask your dealer ...

  • Kenwood TM-281A - page 15

    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. YOUR FIRST QSO 1 Press [ ] (Power ...

  • Kenwood TM-281A - page 16

    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}. Turn to adj ...

  • Kenwood TM-281A - page 17

    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] . Press and hold for 1 second while in Memory Recall Mode to begin Memory Scan {page ...

  • Kenwood TM-281A - page 18

    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}. 10 Displays the frequencies, Menu settings, Memory nam ...

  • Kenwood TM-281A - page 19

    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. w Power Input 13.8 ...

  • Kenwood TM-281A - page 20

    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}. Press and hold Mic [PTT] , then press [VFO/B] to transmit B. y MR/C key Identic ...

  • Kenwood TM-281A - page 21

    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) . • When you turn the transceiver OFF, a low pitche ...

  • Kenwood TM-281A - page 22

    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 ( ). • If you press Mic [PTT] while you are outside th ...

  • Kenwood TM-281A - page 23

    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. 3 Press any key to set the selected frequency and return to nor ...

  • Kenwood TM-281A - page 24

    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. 0 0 0 Example 3 To change 144.650 MHz to 145.650 MHz: Key in Display 1 4 ...

  • Kenwood TM-281A - page 25

    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. You can customize the various timings, settings, and programming functions on t ...

  • Kenwood TM-281A - page 26

    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 . 8 84 2 T C3 y c n e u q e r f S S C T Cz H 1 . 4 5 2 ~ 0 . 7 65 . 8 87 4 S C D4 e d o c S C D4 5 7 ...

  • Kenwood TM-281A - page 27

    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 . N O . P3 2e g a s s e m n o - r e w o Ps r e t c a r a h c 6? ...

  • Kenwood TM-281A - page 28

    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 . M / V - - M / L Q S / V E R / Z H M / K C O L / T H G I R B / W O L / T F I H S / U N E M P E T S / E N O T R M9 5 3 F P7 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 ...

  • Kenwood TM-281A - page 29

    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. This combination of elevation and high ERP allows communications over much greater distances th ...

  • Kenwood TM-281A - page 30

    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. 1 Press [F] , [MENU] and turn the Tuning control to select Menu No ...

  • Kenwood TM-281A - page 31

    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. Note: You cannot use the Tone functio ...

  • Kenwood TM-281A - page 32

    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. K market version only + − − ? ...

  • Kenwood TM-281A - page 33

    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. To swap th ...

  • Kenwood TM-281A - page 34

    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. ◆ If you recall a Memory Channel or the Call Ch ...

  • Kenwood TM-281A - page 35

    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. 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, m ...

  • Kenwood TM-281A - page 36

    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 Ys e Y y c n e u q e r f S S C T Cs e Ys e Y N O S S C T Cs e Ys e Y e d o c S C Ds e Ys e Y N O S C Ds e Ys e Y n o i t c e r i d t e s f f Os e YA / ...

  • Kenwood TM-281A - page 37

    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. 6 Press [MR] to store the data to the channel. STORING ODD-SPLIT REPEAT ...

  • Kenwood TM-281A - page 38

    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. • For single-digit channel numbers, enter “0” ...

  • Kenwood TM-281A - page 39

    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. In order to use the Memory Name function, the Memory Channel capacity must b ...

  • Kenwood TM-281A - page 40

    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. 1 Press [MR] , then turn the Tuning control or press Mic [UP] ...

  • Kenwood TM-281A - page 41

    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 u q e r f t i m s n a r T y c n e u q e r f e n o T ∆ y c n e u q e r f e n o T n o i t c e r i d t e s f f O ∆ n o i t c e r i d t e s f f O y c ...

  • Kenwood TM-281A - page 42

    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. For inst ...

  • Kenwood TM-281A - page 43

    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. The transceiv ...

  • Kenwood TM-281A - page 44

    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. 5 To exit Weather Alert Mode, press [MENU] , select Menu No. ...

  • Kenwood TM-281A - page 45

    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 • Memory to Memory Transfer • Clear Memory Channel • VFO Reset • Full Reset • 1 MHz Step • Selection for Tone and Selective Call • Auto ...

  • Kenwood TM-281A - page 46

    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 . d e t c e l e s u o y y c ...

  • Kenwood TM-281A - page 47

    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 144.525 MHz, it scans all the frequencies available for the VHF band. (Refe ...

  • Kenwood TM-281A - page 48

    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. ■ Performing Program Scan 1 Press [VFO] and turn the Tuning control to select a frequenc ...

  • Kenwood TM-281A - page 49

    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). • To jump to a desired ...

  • Kenwood TM-281A - page 50

    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. • In Memory Recall Mode, turn the Tuning control or press Mic [UP] ...

  • Kenwood TM-281A - page 51

    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. • “PRI” appears. 4 Press any key other than [MENU] to exit Menu Mode. • The transceive ...

  • Kenwood TM-281A - page 52

    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. • Time-Operated Mode (default) The transceiver remains on a busy frequency (or Memory Channel) for approximately 5 seconds, then continues to ...

  • Kenwood TM-281A - page 53

    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). These Selective Calls allow you to ignore (not hear) unwanted calls from other persons who are ...

  • Kenwood TM-281A - page 54

    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. • The selectable CTCSS frequencies are the same as those for the Tone frequency. Refer ...

  • Kenwood TM-281A - page 55

    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. 3 Press [MENU] to program the identified frequency in place o ...

  • Kenwood TM-281A - page 56

    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 3 43 0 57 2 64 3 7 1 3 03 7 05 4 15 2 25 6 26 4 32 3 46 0 51 3 63 4 7 2 3 04 7 02 5 16 2 26 6 21 5 35 4 46 1 52 3 64 5 7 6 3 04 1 15 5 13 4 21 7 26 5 ...

  • Kenwood TM-281A - page 57

    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.A. and Canada offer a service called Autopatch. You can access the public telephone network via suc ...

  • Kenwood TM-281A - page 58

    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. 30 (DT.H). 2 Press [MENU] and turn the Tuning control to select “ON” or “OFF” (default). ...

  • Kenwood TM-281A - page 59

    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. C ONFIRMING S TORED DTMF N UMBERS 1 Press [F] , [ ...

  • Kenwood TM-281A - page 60

    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. 3 Press [M ...

  • Kenwood TM-281A - page 61

    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. You can select the APO time from OFF (disable), 30, 60, 90, 120, or 180 minute ...

  • Kenwood TM-281A - page 62

    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. 5 Press [F] , [REV] to enter S-Meter Level Select ...

  • Kenwood TM-281A - page 63

    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. • APO warning beeps {page 54} • Weather Alert beep {page 36} • Time-out Timer warning beep {page 62} Note: The beep output lev ...

  • Kenwood TM-281A - page 64

    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. ...

  • Kenwood TM-281A - page 65

    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) . • “ ” appears when this function is ON. • The following keys cannot be locked: [ ] (P ...

  • Kenwood TM-281A - page 66

    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. The microphone key default assignments are as follows: Mic PF1 key [PF/D] : 1 MHz step Mic PF2 key [MR/C] : Memory Recall Mi ...

  • Kenwood TM-281A - page 67

    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. 26 (FMN). 2 Press [MENU] and turn t ...

  • Kenwood TM-281A - page 68

    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. PROGRAMMABLE VFO To limit the operating frequencies within a certain range, program the upper and lower ...

  • Kenwood TM-281A - page 69

    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. 1 Press [F] , [MENU] and turn the Tuning ...

  • Kenwood TM-281A - page 70

    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. 1A / N1 e n o T t i m s n a r Tw o l e b , e t o n e e S1 e d o C t u p n Iw o l e b , e t o ...

  • Kenwood TM-281A - page 71

    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. 3 On the display, is represented by “E”. 4 On the display, is repres ...

  • Kenwood TM-281A - page 72

    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.html PG-3B DC Line Noise Filter KMC-30 Microphone MC-59 DTMF Microph ...

  • Kenwood TM-281A - page 73

    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. They should only be re ...

  • Kenwood TM-281A - page 74

    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. C LEA ...

  • Kenwood TM-281A - page 75

    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. 4 Press [MENU] to reset the transceiver. • “WAIT” appears momentarily. VFO R ESET ...

  • Kenwood TM-281A - page 76

    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. These problems are usually not caused by circuit failure. Please review th ...

  • Kenwood TM-281A - page 77

    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 [ . y n a n i d e r o t s n e e b s a h a t a d o N . s l e n n a h C y r o m e M . s l e n n a h C y r o m e M e m o s n i a t a d e r o t S9 2 n e v e t i m s n a r t t o n n a c u o Y ...

  • Kenwood TM-281A - page 78

    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 . 3 1 ± ) V 8 . 5 1 ~ 7 . 1 1 ( % 5 1 d o h ...

  • Kenwood TM-281A - page 79

    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 . 2 ) n o i t a l u d o m % 0 6 t a ( n o i t r o t s i d o i d u A s s e l r o % 3 e c n a d e p m i e n o h p o ...

  • Kenwood TM-281A - page 80

    73 INDEX 1750 Hz .................................. 25 Accessories Optional ............................... 65 Supplied ................................ 1 All-Channel Scan .................... 42 Automatic Power Off ............... 54 Automatic Repeater Offset ..... 25 Automatic Simplex Check ....... 26 Automatic Dialer ..................... 51 Ban ...

  • Kenwood TM-281A - page 81

    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 . This product complies with Directive, Number 26891 regarding "REGULATION ON THE RESTRICTION OF THE USE OF CERTAIN HAZARDOUS SUBSTANCES ...

Manufacturer Kenwood Category Marine Radio

Documents that we receive from a manufacturer of a Kenwood TM-281A can be divided into several groups. They are, among others:
- Kenwood technical drawings
- TM-281A manuals
- Kenwood product data sheets
- information booklets
- or energy labels Kenwood TM-281A
All of them are important, but the most important information from the point of view of use of the device are in the user manual Kenwood TM-281A.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Kenwood TM-281A, service manual, brief instructions and user manuals Kenwood TM-281A. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Kenwood TM-281A.

Similar manuals

A complete manual for the device Kenwood TM-281A, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Kenwood TM-281A by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Kenwood TM-281A.

A complete Kenwood manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Kenwood TM-281A - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Kenwood TM-281A, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Kenwood TM-281A, that we can find in the current document
3. Tips how to use the basic functions of the device Kenwood TM-281A - which should help us in our first steps of using Kenwood TM-281A
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Kenwood TM-281A
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Kenwood TM-281A in a specific country, if it was not possible to solve the problem on our own.

Do you have a question concerning Kenwood TM-281A?

Use the form below

If you did not solve your problem by using a manual Kenwood TM-281A, ask a question using the form below. If a user had a similar problem with Kenwood TM-281A it is likely that he will want to share the way to solve it.

Copy the text from the picture

Captcha
New picture

Comments (0)