Kenwood TM-255E User Manual

144 MHz ALL MODE TRANSCEIVER 430 MHz ALL MODE TRANSCEIVERTM-255A/ETM-455A/EINSTRUCTION MANUALKENWOOD CORPORATION©PRINTED IN JAPAN B62-0415-10(K, M, E)

IGNITION NOISEThis transceiver has been designed with a Noise Blanker to filter ignition noise. However, some cars may generate excessive ignition noi

1 INSTALLATION AND CONNECTIONANTENNA CONNECTIONThe type of the antenna system, consisting of the antenna, ground, and feed, will greatly affect the su

1 INSTALLATION AND CONNECTIONKEY OR ELECTRONIC KEYERFor CW operation, connect your key or electronic keyer to the KEY jack on the rear panel. Use a 3

1 INSTALLATION AND CONNECTION DATA Connector PinoutPin No.Pin NameFunction1 PKDPacket Data (input)• Transmit data from TNG to transceiver2 DEData Ea

2 6ETT!li0 ftCQUiUNTEDThe following sections describe basic functions of the controls, buttons, and indicators on the Front Panel, the jacks and conn

2 GEniNG ACQUAINTED® CLR (Clear) buttonProvides the following 7 functions:Program Scan stop Memory Scan stop Memory Scroll exit Memory channel lock-ou

2 GEniNG ACQUAINTEDREAR PANEL0 Power Input DC 13.8 VConnect a 13.8 V DC power source {pages 2 and 3}. You can use either a 12 V vehicle battery or a r

2 GETTING ACQUAINTEDMICROPHONE© [UP] button © [DWN] buttonIn general, these buttons perform the same function as the Alternate Tuning control. They ra

DISPLAY2 GETTING ACQUAINTED© MENUAppears when accessing Menu Setup or DTSS/Page Code Select.© F.LOCKAppears when the Frequency Lock function is ON.® M

г GETTING ACQUAINTEDФ Ф(6) 0(8) (|) ® ® ®1Ф-MENU ★ М. СНF.LOCK MHz А VFO В----------------+ TONE REV PROCAlPп п О О 0*0 о‘О о ^ г7пи. и. LhU. LhD. О,

Models Covered by this Manual:• TM-255A: 144 MHz All Mode Transceiver (U.S.A./ Canada/ General)• TM-255E: 144 MHz All Mode Transceiver (Europe)• TM-45

3 MENU SETUP MENU DESCRIPTIONMany functions on this transceiver are selected or configured via software-controlled menus instead of physical controls

3 MENUSETUP__ÎViéliu No^OescrifitionSelectionsDefaultPage50 Key Confirmation Beep ToneON/OFFON3851 Modulation Mode Audible Indicator • Morse (ON) or

4 COMSWNICATIOiii CONFIRMATION BEFORE OPERATIONBefore proceeding, run through the following checklistto double check that your transceiver is ready t

4 COMMUNICATIONGEHING STARTEDThis section provides general information you need to know regardless which mode you plan to use when operating.SWITCHIN

4 COMMUNICATIONDUAL DIGITAL VFOsThe A and B VFOs function independently so that different or the same frequencies can be selected by each VFO. Use the

AUTOMATIC MODE SELECTIONEvery Amateur band is subject to frequency allocations plans commonly referred to as Band Plans. Following these Band Plans he

FM OPERATIONTo receive, use the following procedure;1 Select the desired frequency.2 Select the FM mode by pressing [AUTO/FM]. • "FM" appe

4 COMMUNICATIONExample: A positive (+) transmit offset has been selected.ij Zt n n n n n 1 J LI. LI LI LI. LIIf the offset transmit frequency fa

Often a Tone frequency is required to access repeaters. For example, 88.5 Hz may be needed in the U.S.A. or Canada, and 1750 Hz is used in Europe. The

4 COMMUNICATIONPACKET OPERATIONOne of the most exciting benefits of owning a VHF or UHF transceiver nowadays is being able to use it for data modes. D

l)ITR0l)OeTION THANK YOUWe are grateful you decided to purchase this KENWOOD All-Mode transceiver.The TM-255/TM-455 series of transceivers were develo

SSB OPERATIONTo receive, use the following procedure: 1 Select the desired frequency.Select the USB or LSB mode by pressing [SSB/CW].• Either "U

$ MEMOBY FEAltlBSS MICROPROCESSOR MEMORY BACKUPThis transceiver uses a lithium battery to retain the user-specified memory items. Switching the power

SPLIT-FREQUENCY CHANNEL STORAGEStore a different transmit frequency and receive frequency in any memory channel from 50 to 98 with this procedure.1 S

CALL CHANNEL STORAGEThe Call channel can be used to store any frequency within your transceiver operating range. The Call channel always can be select

5 MEMORY FEATURESMEMORY CONTENTS CONFIRMATIONThe contents of a memory channel can be confirmed in VFO mode or Memory Recall with the following procedu

5 MEMORY FEATURES TRANSFER OF TEMPORARY DATAIt is possible to alter the displayed data after recalling a memory channel if Menu B, No. 55 is ON. The d

S SCAMScan is a useful feature for hands-off monitoring of your favorite frequencies. After becoming comfortable with how to use all types of Scan, t

Memory Scan can be used to scan only a specific channel group (Group Scan), or to scan all memory channels containing data (All-channel Scan).Selectio

6 SCANPROGRAM SCANThe Program Scan function scans the range between the lower limit frequency and upper limit frequency stored in memory channel 99. S

6 SCAN MHz SCANMHz Scan directs the transceiver to scan a specified 1 MHz range of frequencies. The range is determined by the 1 MHz digit of the cur

14 Damage Requiring ServiceEnlist the services of qualified personnel in thefollowing cases:a) The power supply or plug is damaged.b) Objects have f

7 AUXILIARY FUMCnONSThe functions described in this section are called "auxiliary" since none of the functions are mandatory to use in order

7 AUXILIARY FUNCTIONSTRANSMITTINGSPEECH PROCESSORThe speech processor functions by leveling the large fluctuations in your voice that are present whe

7 AUXILIARY FUNCTIONSREMOTE FUNCTIONS USING THE MICROPHONEThe 4 keys located on the face of the microphone and labeled [PF], [MR], [VFO], and [CALL] a

Using the ENTER Function1 Press the microphone key that has been programmed with the ENTER function {page 35}.• The frequency template is displayed

7 AUXILIARY FUNCTIONSMain Unit LockThis transceiver allows you to separate the Front Panel from the Main Unit so you can mount the Front Panel in the

7 AUXILIARY FUNCTIONS REPROGRAMMING AUTO MODE/AUTO OFFSETAs explained under "AUTOMATIC MODE SELECTION" {page 18}, Automatic Mode allows the

7 AUXILIARY FUNCTIONSMODULATION MODE AUDIBLE INDICATORThis handy function alerts you audibly by either Morse code or a single beep each time a new mod

$ ШТШиои$ TONE СОШ SQUELCH SYSTEM (CTCSS)The CTCSS feature is available only when the TSU-8 CTCSS unit is installed. Also, CTCSS can only be activated

i DUAL TONE SQUELCH SYSTEM (DTSS)DTSS provides a more refined method than CTCSS to selectively communicate with specific stations. A total of 1000 3-d

ie РАб£OVERVIEWSimilar to DTSS, Page uses DTMF codes to address a single station or a group of stations. Page is useful when waiting to receive a call

INTRODUCTIONFEATURES• Convenient to transport, install and operate from either a portable, mobile or fixed station installation due to the compact si

10 PAGECALLINGTune to the prearranged frequency.Press [F], [SHIFT] twice.• "PN" appears. "N" is the Page memory number (0 - 8, A)

PAGE CODE AND REPEATERSPressing [PTT] transmits the Page code after a short delay. This delay helps avoid losing Page data when using repeaters with l

11 wm fAjmTone Alert provides an audible alarm to indicate when someone is transmitting on the frequency you are monitoring.Tone Alert is an effective

12 MiUiirENftiiCE GENERAL INFORMATIONYour transceiver has been factory aligned and tested to specification before shipment. Under normal circumstances

12 MAINTENANCEUSING THE SQC PIN FOR RELAY OUTPUTThe function of the SQC pin located in the DATA connector {page 6} can be changed to function as a rel

13 m8U8i£$H06TW6The problems described in this table are commonly encountered operational malfunctions. These types of difficulties are usually caused

13 TROUBLESHOOTINGProblem SymptomProbable CauseCorrective ActionPageRef.Turning the Main Tuning control does not change the frequency.Memory Recall or

13 TROUBLESHOOTINGProfilem SymptomProbable Causeporrective ActionPageReLTurning the RIT control has no affect on the receive frequency.The Receive Inc

13 TROUBLESHOOTINGProblem SymptomProbable CauseCorrective ActionPacket operation results in no connects with other stations.1 Physical connections bet

14MC-45/45EMultifunction MicrophoneMC-45DM/45DMEMultifunction Microphone with DTMF keysPS-33Regulated DC Power SupplyPS-53Regulated DC Power SupplyPG-

mmmnPREPARATION FOR MOBILE OPERATION... 1MOBILE INSTALLATION... 1DC POWER CABLE CONNECTION... 2ANTEN

1$ iHSTALLMQ OPtlONS DETACHABLE FRONT PANEL KITS (DFK-3, DFK-4, DFK-7A)INSTALLATIONCAUTION: Always turn OFF the power and unplug the DC power cable fi

15 INSTALLING OPTIONSTSU-8 CTCSS UNITVS-2 VOICE SYNTHESIS UNITCAUTION: Always turn OFF the power and unplug the DC power plug first.Remove the entire

General^ ||;||p : ' ' : ^ „«ix: x rTM>255ETNf-^5A^455EFrequency range144 MHz - 148 MHz144 MHz - 146 MHz430 MHz - 440 MHzModeJ3E (LSB/USB)

SPECIFICATIONSReceiverTM-255A ,TM-455A/455ECircuitrySSB/CWSingle conversion superheterodyneDouble conversion superheterodyneFMDouble conversion superh

SlOSSAflYAutopatchA service available widely in the U.S.A. and Canada that allows portable or mobile stations to access the public telephone network b

GLOSSARYRepeaterA station, usually installed in a central location at a high elevation, designed to receive and re-transmit signals. The purpose of a

KENWOOD

VFO/MEMORY/CALL SCAN...32SETTING SCAN SPEED...32CHAPTER 7 AUXILIARY FUNCTIONSRECEIVI

1 HiSTALLATIOtl ANO CÛI^ECTiOK PREPARATION FOR MOBILE OPERATIONWhen operating mobile, do not attempt to configure your transceiver or change Menu sett

1 INSTALLATION AND CONNECTIONDC POWER CABLE CONNECTIONRoute the DC power cable directly to the vehicle's battery terminals using the shortest pat