Kenwood TM-261A- Manuals

MENU ACCESS....................................................................17 MENU A CONFIGURATION.................................................18 MENU B CONFIGURATION.................................................19 OPERATtNG THROtJeH REPEATERS j REPEATER ACCESS...............................

TIME-OUT TIMER (TOT) ..................................................... 46 BUSY CHANNEL LOCKOUT............................................... 46 AUTOMATIC POWER OFF (APO)....................................... 46 TRANSCEIVER LOCK..........................................................46 CONFIG...

SUPPLIED ACCESSORIES Part Numlrnr Quantity Microphone U.S.A./Canada/ General (some): MC-53DM^ T91-0568-XX 1 China/ General (some): MC-45^ T91-0516-XX 1 DC power cable E 30-2111-XX 1 Transceiver fuse TM-261A: 15 A F51-0017-XX 1 TM-261EJ: 4 A F51-0013-XX 1 TM-461A: 10 A F51-0016-XX 1 Mounting bracket ...

PREPARATION FOR MOBILE AND FIXED STATION OPERATION 11 MOBILE INSTALLATION Install the transceiver in a safe, convenient position inside your vehicle that minimizes danger to your passengers and yourself while the vehicle is in motion. For example, consider installing the transceiver under the dash i...

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 battery. 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 ...

Replacing Fuses If the fuse blows, determine the cause then correct the problem. After the problem is resolved, then replace the fuse. If newly installed fuses continue to blow, disconnect the power cable and contact your dealer or nearest Service Center for assistance. Rise Local^'efl Rise Currsiif...

GETTING ACQUAINTED The following sections describe basic functions of the Front Panel controls and buttons, Rear Pane! jacks and connectors, microphone buttons and Display indicators. For full explanations of functions mentioned, refer to the appropriate sections elsewhere in the manual. FRONT PANEL...

0 ® ® VOL control Adjusts the level of receive audio from the speaker {page 14}. (D MN button Selects the Memory Name mode {page 30}. CD POWER switch Switches the transceiver ON or OFF {page 14}. © SQL (Squelch) control Adjusts the squelch threshold level {page 14}. This allows you to mute speaker o...

REAR PANEL © Antenna cable Connect an external antenna {page 5}. When making test transmissions, connect a dummy load in place of the antenna. The antenna system or load should have an impedance of 50 £2. The connector accepts a male PL-259 connector. © Power Input 13.8 V DC cable Connect a 13.8 V D...

MICROPHONE MC-53DM (D UP button (D DWN button Raises or lowers the VFO frequency, the memory channel number, the Tone/CTCSS frequency, or the DTSS code. Holding either button down causes the action to be repeated. Also, switches between values when selecting values for functions with multiple choice...

DISPLAY Ф (3) (4) ® ® ® wO R CT DT CO MENU j * S \ ДРД LM - 1 ---- 3 -------5 7------ 9------- OVER O N A IR Ф Indicates the Transceiver Lock function is ON {page 46}. ® CT ‘T' indicates the subaudible Tone encoder function is ON {page 22}. “CT’ indicates the CTCSS function is ON {page 36} provided ...

® LM Indicates whether Low (L) or Medium (M) transmit output power is selected {page 16}. When neither “L” nor “M" is visible, High output power is selected. ® B Appears when the [F] button is pressed. Indicates alternate functions of multiple-function buttons can be accessed now. This icon indi...

SWITCHING POWER ON/OFF 1 Switch ON the DC power supply. • If operating mobile, skip this step. 2 Press the POWER switch to switch ON the transceiver. To switch OFF the transceiver, press the POWER switch again. * In a fixed installation, after the transceiver has been switched ON, it can then be swi...

SELECTING FREQUENCIES ■ Tuning Control Using the Tuning control is convenient when you are within easy reach of the transceiver Front Panel, and the frequencies to be selected lie near the current frequency. 1 Press [VFO] to select VFO mode. Q “ o O O I " > I i } I { .I I .1 t .I I I i;_t KMH...

TRANSMITTING When ready to begin transmitting, press and hold [PTT] and speak in a normal tone of voice. Speaking too close to the microphone, or too loudly, may increase distortion and reduce intelligibility of your signal at the receiving station. MC-53DM Selecting Output Power It's wise, and requ...

Many functions on this transceiver are selected or configured via software-controlled menus instead of physical controls on the transceiver. The menus are identified as Menu A and Menu B. Menu A is used to access functions that are frequently changed while Menu B is used for less frequently changed ...

MENU A CONFIGURATION Memibriiii OesoriilliDit ^eeiloiis Detaolt F.S Frequency Step Size^ 12.5 kHz/ 25 kHz/ 5 kHz/10 kHz/ 15 kHz/ 20 kHz TM-261A (U.S.A./ Canada): 5 kHz TM-261A (General): 12.5 kHz TM-261 EJ: 20 kHz TM-461A: 25 kHz 45 O.S Transmit Offset (Shift) 5 kHz (or 12.5 kHz)® - 20 MHz (using cu...

MENU B CONFIGURATION Me«tt Label Oesca’lption Selectkti» Default Page ВЕР Confirmation Beep OFF/ON ON — TOT Time-Out Timer OFF/ON OFF 46 APO Automatic Power Off OFF/ON OFF 46 ARO Automatic Repeater Offset^ OFF/ON ON 22 BCL Busy Channel Lockout OFF/ON OFF 46 PF PF Key Programming USeR setting/ MONito...

FLOW CHART FOR REPEATER ACCESS \7 Select an offset frequency. <7 Select an offset direction. Activate theTone function, if necessary. <> Select a Tone frequency, If necessary. O Select how much the transmit frequency will be offset from the receive frequency. Selecting Offset Frequency 1 2 ...

Selecting Offset Direction Select whether the transmit frequency will be higher (+) or lower {-) than the receive frequency. Press IF], [SHIFT]. • Each time this key operation is repeated, the offset direction changes as shown below. ►-Simplex—>“ + —- — 51 ■— If the offset transmit frequency fall...

Selecting a Tone Frequency To select the same Tone frequency for transmitting and receiving, access ‘TO” in Menu A {page 17). The Tone frequencies listed below can be selected: Freq. No. Frai[. No. Freq. No. Freq. Mo. (Hz) (Hz) (Hz) (Hz) 01 67.0 11 97.4 21 136.5 31 192.8 02 71.9 12 100.0 22 141.3 32...

MEMORY CHANNELS A total of 62 memory channels (1 - 62) are available for storing frequencies and related data. Each memory channel can be used either as a simplex channel or split channel for storing any frequency or frequency pair that can be selected on the transceiver. Alternatively, a standard o...

Simplex Memory Channels 1 Select the desired frequency and associated data (Tone, CTCSS, DTSS, etc.) using VFO mode, Memory Recall {page 26}, or the Call channel {page 27). 2 Press [F] to enter Function Select mode. • “P and a memory channel number appear. I u u o Hi m f t L U u u LOCK - 5 --- 7 - l...

6 Press [MR]. • The selected transmit frequency is stored in the memory channel, and the previous mode is restored. • Associated data selected in Step 1 such as Tone status/frequency, the frequency step, and DTSS status/code are not altered by this step. However, Transmit Offset status and Reverse s...

CALL CHANNEL The Call channel can be used to store any frequency and related data that you want to recall frequently. The Call channel can be programmed with a simplex or split frequency as well as related data that can be stored in the memory channels. No matter what mode the transceiver is in, the...

Changing Call Channel Contents (Split) 1 Select the desired frequency and associated data (Tone, CTCSS, DTSS, etc.) using VFO mode or Memory Recall {page 26}. 2 Press [F], microphone [CALL] (1 s). • +” appears. -------------------------------------------------------------------------------- ^ / ill ...

INITIALIZING MEMORY If your transceiver seems to be malfunctioning, initializing the transceiver may resolve the problem. Remember that initializing the memory channels requires that you re-enter any memory channel data again after the initialization, if you want to use those channels. On the other ...

NAMING MEMORY CHANNELS You can name memory channels using up to 6 characters and 5 dots. When you recall a named memory channel, its name appears on the display instead of the stored frequency. Names can be callsigns, repeater names, cities, persons’ names, etc. ■ Storing a Name in Memory 1 Press [M...

Scan is a useful feature for hands-off monitoring of your favorite frequencies. After becoming comfortable with how to use all types of Scan, the monitoring flexibility gained will increase your operating efficiency. This transceiver provides the following types of Scan: ^___________________________...

Locking Out Memory Channels Memory channels that you prefer not to monitor while scanning can be locked out. Lock out any memory channel with the following procedure. 1 Press [MR] to select Memory Recall. 2 Select the memory channel to be locked out by using the Tuning control or microphone [UP]/[DW...

PROGRAM SCAN This type of scan is similar to VFO Scan except the programmable aspect allows you to set scan limits to limit the frequency range of the scan. ■ Setting Scan Limits 1 Press [F]+ POWER ON to access Menu B. 2 Select “PGM.SCN” {page 17}. 3 Press [VFO], • “LO" and the current lower lim...

CONTINUOUS TONE CODED SQUELCH SYSTEM (CTCSS) CTCSS is available only when the optional TSU-8 unit is installed {page 54}. CTCSS allows you to choose which stations will receive your transmissions. Suppose that only stations “A”, “B”, and “C” are programmed with the same RX Tone frequency, and this f...

DTSS provides another method to selectively communicate with specific stations. The squelch on the transceiver opens only when the same 3-digit DTMF (Dual Tone Multi- Frequency) code is received that is programmed in this transceiver. You can select a 3-digit code from among 1000 combinations, 000 t...

USING DTSS 1 store the appropriate DTSS code {page 37}. • To make a Group call, select the common Group digit {page 38}. 2 Press [F], [DTSS]. • “DT appears when DTSS is ON. t U U O CT nt ( ( f. _( u ^MHz -7—^9---------- QVEB TONE REV • Each time this button combination is pressed, DTSS is toggled ON...

6 Press a single key [0] - [9] to select a DTMF memory channel. • The selected memofy channel number appears and stays for approximately 1 second, then the display for entering DTMF numbers is restored. 7 Press [VFO] to restore the Menu B Scroll display, or wait for several seconds to restore the fr...

AUTOPATCH (U.S.A. AND CANADA VERSIONS) Some repeaters in the U.S.A. and Canada offer a service called Autopatch. This application of the DTMF function allows you to access the public telephone network from your transceiver. This repeater function can be very convenient, and can even save lives when ...

FULL RESET 1 To initialize all settings, press [MR]+ POWER ON. _ N »0 — R ____ CT____DT____ CO MENUf7r7 L u i t i t A t k i A * —r — f AUXILIARY FUNCTIONS ^ M M ^ ‘ w. m. m. idu. m. > j B. s lartiEn j MHZLOCK S-------7------- ft— OVER I OFF TONE dtss ♦ TOT APO 013 LM REV shift 2 While the display...

11 When the current step size is 5 kHz, 10 kHz, 15 kHz, 20 kHz, or 25 kHz, enter numeric values down to the 1 kHz digit. Enter either 0 or 5 for the 1 kHz digit. When the current step size is 12.5 kHz, entering the 10 kHz digit completes frequency setting. The 10 kHz and subsequent digits are set ac...

CHANGING FREQUENCY STEP SIZE Choosing the correct step size is essential in order to select your exact receive frequency with the Tuning control or microphone [UP]/[DWN], The best step size on each band is the largest step that will still allow you to select all frequencies on which you plan to oper...

о TIME-OUT TIMER (ТОТ) It is sometimes necessary or desirable to restrict a single transmission to a specific maximum time. This feature can be useful when accessing repeaters to prevent repeater time-outs, or when particularly trying to conserve battery power. When TOT is activated, your transmit t...

CONFIGURING PROGRAM FUNCTION KEYS The Programmable Function keys are [PF], [MR], and [VFO] located on the face of the microphone. If you prefer, you can change the default functions assigned to these keys. Pi 09 iaimna&}« Funi^iion Key DefauK FuftcKon [PF] MHz Select [MR] Memory Recall [VFO] VFO...

D Programming Microphone [PF] You can program microphone [PF] with a function that cannot be activated using the Front Panel keys. Access “PF” in Menu B to select USeR setting, MONitor, or ENTer {page 17}. The default is USeR setting. When you select USeR setting; The function assigned by pressing [...

You сап use almost any computer to control one of the widely available Terminal Node Controllers (TNC) since the computer primarily serves to input commands and output received text data to its display. Little real computing power is needed, therefore a high-powered processor is not necessary, and e...

GENERAL INFORMATION Your transceiver has been factory aligned and tested to specification before shipment. All adjustable trimmers, coils and resistors in the transceiver were preset at the factory. They should only be readjusted by a qualified technician who is familiar with this transceiver and ha...

TROUBLESHOOTING The problems described in this table 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 problem symptoms are not caused by...

OPTIONAL ACCESSORIES PG-2N \ DC Power Cable MC-45 Multi-functionMicrophone MC-53DM Multi-function Microphone with DTMF MC-80 Desktop Microphone (MJ-88 required) PS-33 Regulated DC Power Supply SP-41 Mobile Speaker SP-50B Communications Speaker MJ-88 Microphone Plug Adapter MJ-89 Modular Plug Microph...

INSTALLING THE TSU-8 CTCSS UNIT CAUTION: Always switch OFF the power and unplug the DC power cable first. 1 Remove the two screws from the upper cover of the transceiver. INSTALLING OPTIONS Hold the TSU-8 unit with the large 1C facing downward, and insert the connector on the TSU-8 unit into the 8-p...

SPECIFICATIONS Specifications are subject to change without notice due to developments in technology. General TM^IA TM-261EJ Frequency range U.S.A./ Canada 144- 148 MHz — 438 - 450 MHz China — — 400 - 420 MHz or 450 - 470 MHz General 144 _ 148 MHz 144- 146 MHz 430 MHz - 440 MHz Mode F3E (FM) Antenna...

INDEX Accessories External Speaker (Option).............. ...6 Rear Panel.................................... .......... 9 Installing Optional.......................... -.54 Microphone..................................... ....6 Repeater Access........................... ........ 20 Optional............