Kenwood TM-V7A instruction manual Transmitter, Receiver

Page 98

Transmitter		VHF Band		UHF Band
Power output	High	50 W		35 W

	Mid		Approx. 10 W

	Low		Approx. 5 W

Modulation			Reactance

Spurious emissions			–60 dB or less

Maximum frequency deviation			±5 kHz

Audio distortion (at 60% modulation)			3% or less

Microphone impedance			600 Ω

Receiver		VHF Band	UHF Band
Circuitry		Double conversion

Intermediate frequency (1st/ 2nd)		38.85 MHz/ 450 kHz	45.05 MHz/ 455 kHz

Sensitivity	VHF or UHF band	0.16 ∝V or less

(12 dB SINAD)	Sub VHF or UHF band	0.25 ∝V or less
	(in VHF/VHF or UHF/UHF mode)

Selectivity (–6 dB)		12 kHz or more

Selectivity (–60 dB)		28 kHz or less

Squelch sensitivity		0.1 ∝V or less

Audio output (8 ohms, 5% distortion)		2 W or higher

Audio output impedance		8 Ω

Note: Receiver specifications apply only when using the main VHF or UHF band. They do not apply to the sub VHF or UHF band in VHF/VHF or UHF/UHF mode.

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Contents TM-V7A Models Covered by this Manual FeaturesThank YOU When condensation occurs inside the transceiver One or more of the following statements may be applicableContents Setting Scan Limits Using Program Scan Partial Reset VFO Full Reset MemorySelecting the Number of Channels Using Visual Scan Selecting Scan Resume MethodSquelch Hang Time 1200/ 9600 bps Operation Data Connector Pin FunctionsTransceiver Lock All Lock Supplied Accessories Conventions Followed in this ManualInstallation Steps Mobile InstallationInstallation Example Preparation for Mobile and Fixed Station OperationDC Power Cable Connection Mobile OperationFixed Station Operation PS-33 20.5 A, 25% duty cycleReplacing Fuses Transceiver 15 a Supplied Accessory 20 a DC Power CableAntenna Connection Fuse Location Fuse Current RatingExternal Speakers Accessory ConnectionsPacket Equipment Connections MicrophoneYour First QSO EwwewwGetting Acquainted Basic Transceiver ModesTX-Band Control BandFront Panel REV button Function buttonTone button LOW button3MNU button Selects the Menu mode Rear PanelMicrophone Indicators VFO Scan Transmit Stored Transceiver GuideFunction Index To exit Guide mode, press MNU againPress Band SEL to select the VHF or UHF band Switching Power ON/OFF Adjusting SquelchSelecting a Band Adjusting Volume Turn the VOL control clockwise to increase the audio levelMicrophone UP/DWN Buttons Tuning ControlSelecting Frequencies High Medium Low No Indicator Selecting Output PowerWhen you finish speaking, release Mic PTT TransmittingSelect the desired band What is a MENU?Menu Access Multi-function Button Label See reference Menu ConfigurationDescription Selections Memory Channel LockoutItem No Description Selections Default +600 kHz +5 MHz +1.6 MHz Operating Through RepeatersCompared to simplex communication, you can usually Not applicableSelecting Offset Direction SimplexSelecting Offset Frequency Activating Tone FunctionSelecting a Tone Frequency FreqEuropean versions Automatic Repeater Offset A./ Canada/ Europe OnlyThis complies with the standard Arrl band plan Press s, then select Item No Auto OffsetAutomatic Simplex Checker ASC To cancel ASC, press REVReverse Function Parameter Simplex Split Memory ChannelsSimplex or Split Memory CHANNEL? ChannelPress SET, then select the desired ratio VHF/UHF Memory Channel RatioVHF Band UHF Band Press SET again31, or the Call channel Storing Data in Simplex ChannelsStoring Data in Split Channels Clearing Memory Channels Press MHz+ Power onRecalling Memory Channels Press MR againNaming Memory Channels Recalling the Call Channel Changing Call Channel Contents SimplexCall Channel Changing Call Channel Contents Split Channel Display FunctionInitializing Memory Partial Reset VFOFull Reset Memory Programmable Memory PM Programmable InformationContents of any memory channels SolutionTransceiver default environment. You will not lose Application ExamplesPress 1 to 4 corresponding to the desired PM channel Storing Data in PM ChannelsConfirm that the following conditions have been Satisfied Press 1 to 4 corresponding to the desired PM ChannelAuto PM Channel Storing Resetting Programmable MemoryPress CALL+ Power on Press s, then select Item No PM Auto StoreScan Scan Type Scan RangeVisual Scan Selecting the Number of ChannelsUsing Visual Scan Scan Resume Methods Selecting Scan Resume MethodCurrent frequency step size is used Memory ScanVFO Scan allows you to scan all frequencies from Press s, then select item No Lock Out Press SET to toggle Lockout on or OFF defaultLocking Out Memory Channels Setting Scan Limits Program ScanUsing Program Scan MHz ScanCALL/VFO Scan When you make a call Press and hold Mic PTT Using CtcssWhen you are called Continuous Tone Coded Squelch System CtcssPress s Dual Tone Squelch System DtssStoring Dtss Codes Repeat Steps 4 and 5 to select the second and thirdSelect the appropriate Dtss code Using DtssWhen you make a call Press and hold Mic PTT to transmit your Dtss codePress MNU again to exit Menu mode Press MNU to enter Menu mode Select Menu No Code SquelchPress s, then select Item No CSQ Delay Dtss and RepeatersMember Code MemoryCommunication Network Example Ch. a 222 333 444 789Storing page Codes To switch Page OFF, press F, Dtss15 4 Use the Tuning Channel a Control or Mic UP/DWN to selectCalling ReceivingShared with Dtss Dtss and Repeaters page 52. This setting isLocking OUT page Codes Answer Back U.S.A./ Canada only Auto page CancelPress s, then select Item No PAG Cancel Press s, then select Item No Answer BackMic Keypad Confirmation Tones Dual Tone MULTI-FREQUENCY Dtmf FunctionsAutopatch U.S.A. and Canada Press MNU to enter Menu mode Select Menu No Dtmf Memory Press SET to complete settingPress Mic PTT + PF Confirming Stored Dtmf NumbersTransmitting Stored Dtmf Numbers Press Mic 0 to 9 to select the desired channelPress SET to toggle the function on or OFF default TIME-OUT Timer TOTPress MNU to enter Menu mode Select Menu No APO Auxiliary FunctionsBand. This function allows you to reply to a caller without C. will temporarily switch the RX only band to the TXAdvanced Intercept Point AIP Manually selecting the correct bandVHF and UHF VHF or UHF VHF and VHF ConfigurationDual Band RX UHF and UHFSwitching AM/FM Mode Some Versions only Programmable VFODisplayed Frequency Changing Frequency Step Size10, 15, 20 or 50 kHz 25, 12.5 or 25 kHz 00, 05, 10 20, 25, 30 40, 45, 50 60, 65, 70 80, 85, 90Labels after Pressing F Changing Beep VolumePress s, then select Item No Beep Volume Press s, then select Item NoAll Lock LockTransceiver Lock Press F, MHz to toggle Transceiver Lock on or OFFMeter Squelch Squelch Hang TimePress s, then select Item No Power On Msg POWER-ON MessageDisplay Demonstration Mode Press VFOAuto Dimmer Change Changing Display ConditionsDisplay Dimmer Display Contrast Press s , then select Item No Reverse ModePress SET to toggle Negative default or Positive Positive/Negative Reversal+ Mic KEY PWR switch Tuning control VOL control SQL control Configuring Program Function KeysDefault Function Enter User SettingMonitor VoiceUse the Mic keypad to enter the desired frequency Keypad Direct EntryOperating Frequency Entry 12.5 62.5 37.5 87.5Use the Mic keypad to enter 2 or 3 digits Memory Channel Number EntryTone Frequency Number Entry VOL SQL Key Key Function Squelch Adjustment2Microphone Control Key FunctionActivating Microphone Control Press s, then select Item No Mic Control1200 bps Packet OperationConnect this transceiver to your personal computer via a 9600 bpsData Connector Pin Functions Pin FunctionLOCKED-BAND Repeater Repeater Function U.S.A./ Canada onlyCROSS-BAND Repeater TX HoldCall Channel Programmable Memory Key Pressed New Mode AnnouncementVS-3 Voice Synthesizer Optional MenuPage Installing Options Replace the upper cover 5 screwsWhen the release switch clicks, the front panel is secured Installation Examples DFK-3CService Note MaintenanceService CleaningTroubleshooting Problem Probable Cause Corrective ActionSecurely to the main unit by using the same PTT Specifications GeneralTransmitter ReceiverIndex

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TM-V7A specifications

The Kenwood TM-V7A is a sophisticated dual-band transceiver that has garnered the attention of amateur radio enthusiasts worldwide. Designed for VHF and UHF operations, it offers a plethora of features that enhance communication capabilities and provide a robust user experience.

One of the standout characteristics of the TM-V7A is its dual-vfo (variable frequency oscillator) configuration, which allows users to monitor two frequencies simultaneously. This feature is particularly useful for coordinating communications across different bands or for listening to two channels at once. The large, bright LCD display provides clear visibility of the operating frequency, with the ability to monitor a wealth of information, including received signal strength and battery voltage.

The TM-V7A supports a wide range of operating modes, including FM, AM, and SSB, making it versatile enough for different communication needs. The device is compatible with CTCSS (Continuous Tone-Coded Squelch System) and DCS (Digital-Coded Squelch), which adds significant convenience for group communications by reducing unwanted noise and interference.

Another important feature is its built-in APRS (Automatic Packet Reporting System) functionality. This allows operators to transmit their position automatically and share information with other APRS users. The built-in GPS capability enhances this feature, providing accurate location tracking that can be particularly beneficial during emergency response situations or for outdoor events.

For enhanced audio quality, the TM-V7A is equipped with a high-performance audio filter and variable bandwidth control. This allows operators to tailor the audio output based on the conditions of the band and personal preferences, improving clarity and intelligibility during conversations.

The transceiver is also designed with user-friendly navigation. The intuitive menu system enables easy access to settings and configurations, allowing operators of all experience levels to operate the radio effectively. Customization options further enhance user experience, with programmable memories allowing operators to save frequently used frequencies and settings.

The Kenwood TM-V7A’s rugged build quality ensures durability, making it suitable for both home and field operations. Its compact design allows for easy installation in vehicles or portable setups, making it an excellent choice for both casual users and serious amateur radio operators. Overall, the Kenwood TM-V7A stands out as a feature-rich transceiver capable of meeting the diverse needs of the amateur radio community, combining advanced technology with practical functionality.