Kenwood TM-441A- Manuals

2 SPECIFICATIONS TM-241A(U.S.A) TM-241A/E TM-441A(U.S.A) TM441A TM441E TM-541A/E CD 0) c <D (3 Frequency range MHz 144 to 148 144 to 146 438 to 450 430 to 440 430 to 440 1240 to 1300 Mode F3E(FM) Antenna impedance 50Q Operating temperature -20°Cto +60”C (-4°Fto +140°F) Power requirements 13.8V DC...

3 ACCESSORIES Unpack your new transceiver carefully, and examine it for visible damage If the equipment has been damaged in shipment, notify the transportation company immediately. Save the boxes and packing material for future shipping.The following accessories should be included in the box with th...

4-2 CONNECTION 4-2-1 Mobile Installations Cautions : 1. Before installing the power cable, be sure to remove the negative lead from the battery for safety. 2. After installation and wiring, be sure to double check for correct installation before reconnecting the negative lead to the battery terminal...

5 OPERATION 511 CONTROL FUNCTIONS AL CTCaS ‘188.8.8.8.8.5 f ss TM-241A (1) POWER switch Press to turn the transceiver on or off.Press the VFO/M^V or MR/M key and switching the power on will reset the VFO or MEMORY, The microphone PF key can be programmed when the power is switched on. (2) Tuning con...

CTcsa ^ 'I88.8.8.B.8.S ififi fJ« WP. tc© °© ©°0 (Z)REV/STEP key This key is used to reverse the transmit / receive frequencies during repeater operation. If you have selected simplex this key will not function! Pressing the F key momentarily and then the REV/STEP key will allow you to select the des...

5-2 RECEIVER OPERATIONS Audio confirmation is provided whenever a front panel key is depressed. You can disable this function by pressing the F key for longer than 1 second and then pressing the REV/STEP key. 5-2-1 Receptoin 1. Connect the power supply, antenna, and microphone and then adjust the co...

5-2-2 Frequency Selection You can change the dial frequency while in the VFO mode. The frequency can then also be stored in memory, or in the call channel using the techniques that will be described in this manual. MR key # VFO Mode Operation Frequency Selection 1. Press the VFO/M^V key to select th...

4. Rotate the tuning control or press the UP/DWN switches on the microphone until the desired tuning step size appears in the display. 5. To complete the programming of the step size you can press any key on the front panel except the POWER key, or simply wait 10 seconds and the microprocessor will ...

5-3 TRANSMITTER OPERATION Caution 1. Ensure that an antenna with a low standing wave ratio (SWR) is attached to the antenna connector before attempting to transmit. Failure to provide proper termination may result in damage to the final amplifier section. 2. Always check to ensure the frequency is c...

Odd.Split Channels Press the VFO/M^V key to select the VFO mode.Select the desired receiv­ing frequency ,tone fre­quency,etc. (For example 145.600MHz) 3. Press the F key.The F indi­ cator and a memory chan­nel indicator will light.( For example CH 5) 4. Select any Memory Chan­ nel from 7 thru 10 usi...

# CALL Channel 1. Press the VFO/M^V key to select the VFO mode. 2. Select the desired operat­ ing frequency .offset,tone frequency,etc.( For exam­ ple 145.500MHz). 3. Press the F key. The F indi­ cator and the memory channel indicator will light.( For example CH 8) 4. Press the CALL key within 10 se...

The priority alert function allows you to monitor mem­ory channel 1 for activity even when you are tuned to a different channel number. When the Priority Alert function has been activated the microprocessor will switch the transceiver to the frequency stored in mem­ory channel 1 once every 5 seconds...

5-8 DTSS (Dual Tone Squelch System) OPERATION [Requires optional DTU-2] This function allows squelch to be turned on in the receive mode on reception of a three-digit code matching the DTSS code selected in your radio.Once squelch is turned on by reception of a matching code, it operates normally fr...

5-9 DRS (Digital Recording System) OPERATION The optional DRU-1 (Digital Recording Unit) permits you to manually or automatically record up to a maxi­ mum of 8 different voice messages for later playback. The automatic recording function works in conjunction with the T.ALT function.This function can...

1. Press the F key for longer than 1 second, then press the D R / D T key while the F indicator is flashing to enter the DRS setting mode.The DRS indicator should turn on in the display. Select the phrase number of the phrase you wish to replay. 2. Press the CALL key to play back the message. If you...

4. Set the second digit with the tuning control, then press the MHz/LOCK key. The third digit will flash. 5. Set the third and fourth digits. When the fourth digit has been set, the DRS setting mode will be automatically reentered. OThe digits can be set with the MC-44DM (option). Perform steps 1 an...

1. Tune to the predetermined frequency. 2. Press the DR/DT key to light the P indicator. 5-10-4 Paging Reception (Stand by) I h S.BB u PR 0O0 ©O0j stand by with individual code (Example: Stand by for station 3.) 3. When called with your station ID code, the memory number automatically change to 0. T...

stand by with group code 1. When a call is received with the group code, the squelches of all the members of the group are opened to enable reception. When you are called with the group code, the common group code and its memory channel number are displayed.(Example: Group code 789 is stored in chan...

5-11 TONE ALERT SYSTEM The Tone Alert function will provide an audible “Alarm” to signal when someone is transmitting on the frequency you are monitoring._______________________ Note 1. When using the CTCSS function the incoming sig­ nal must be present for approximately 2 seconds in order for the T...

7 MAINTENANCE 7-1 GENERAL INFORMATION Your transceiver has been factory aligned and tested to specification before shipment. Under normal circumstances the transceiver will operate in accordance with these operating instructions. All adjustable trimmers and coils in your transceiver have been adjust...

7-3 IN CASE OF DIFFICULTY The problems described in this table are failures caused, in general, by improper operation or connection of the transceiver, not by defective components. Check according to the following table. Symptom Probable cause Corrective action Indicators do not light and no receive...

7-2. ACCESSORIES MC-44/MC-44E (E: European Version) MULTI FUNCTION MICROPHONE ■ MC-60A MICROPHONE (8-pin) The zinc die-cast base provides high stability. The MC-60A is complete with PTT and LOCK switches, UP/DOWN switches, impedance selec­ tor switch and a built-in pre-amplifier. SP-41 MOBILE SPEAKE...

nstaliing accessories CAUTION 1. Before installation , be sure to disconnect the DC power supply,or battery, or damage may occur the equipment. 2. You can not install the digital recording unit(DRU- 1) and the DTMF unit togetner. You should choose one unit to install. D eten t CTCSS unit TSU-6 The u...

REMOTE CONTROLLER RC-10 To operate the transceiver with the RC-10 press and hold the CALL key on the transceiver and then turn on the POWER switch. To select the CALL channel when using the RC-10 press the F key on the RC-10 and then the VFO key. Please refer to the Instructions provided with the RC...

REMOTE CONTROLLER RC-20 To change control to the RC-20, connect the RC-20, hold down the transceiver VFO/M^V key, and turn the power switch on. Before starting operation, read the RC-20 In­ struction Manual. Functions that do not operate when the RC-20 is connected 1. DTSS and paging functions 2. DI...