Automatic Repeater Offset | Kenwood 440 MHz TH-D7A, 144 instruction

AUTOMATIC REPEATER OFFSET

This function automatically selects an offset direction, according to the frequency that you select on the VHF band. The transceiver is programmed for offset direction as shown below. To obtain an up-to-date band plan for repeater offset direction, contact your national Amateur Radio association.

U.S.A. and Canada versions

This complies with the standard ARRL band plan.

144.0

145.5

146.4

147.0

147.6

145.1

146.0

146.6

147.4

148.0 MHz

S

–

S

+

S

–

+

S

–

S: Simplex

European versions

144.0

145.6

145.8 146.0 MHz

S

–

S

S: Simplex

Note: Automatic Repeater Offset does not function when Reverse is ON. However, pressing [REV] after Automatic Repeater Offset has selected an offset (split) status, exchanges the receive and transmit frequencies.

	1	Press [MENU] to enter Menu mode.
	2	Press [1], [5], [1] to select “1–5–1 (AUTO OFFSET)”.																																															1
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	3	Press [UP]/ [DWN] to switch the function ON																																															6
	3	Press [UP]/ [DWN] to switch the function ON																																															7
		(default) or OFF.																																															7
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	4	Press [OK] to complete the setting.																																															13
	5	Press [MENU] to exit Menu mode.																																															14
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18

19

20

21

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23

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Kenwood 440 MHz TH-D7A, 144 instruction manual Automatic Repeater Offset, A. and Canada versions

144, 440 MHz TH-D7A, TH-D7A specifications

The Kenwood TH-D7A is a sophisticated handheld transceiver designed especially for amateur radio enthusiasts. It combines advanced features with user-friendly operation, making it a popular choice among both beginners and seasoned operators.

One of the standout features of the TH-D7A is its dual-band capability, allowing users to operate on both the 2-meter (144 MHz) and 70-centimeter (440 MHz) bands. This dual-band functionality gives operators increased flexibility and access to a wider range of communication channels. Additionally, the transceiver supports the simultaneous transmission and reception of two different frequencies, allowing for efficient monitoring of multiple communications.

The TH-D7A is equipped with an impressive 1,000 memory channels, which can be organized into 100 memory groups. This allows users to store a vast amount of frequencies and access them easily when needed. The transceiver also provides a wide frequency coverage, extending from 144 to 148 MHz and from 430 to 450 MHz in the VHF and UHF bands, respectively.

Another remarkable feature of the TH-D7A is its built-in Automatic Packet Reporting System (APRS) capabilities. This technology enables users to share real-time location data, send and receive messages, and provide status updates, making it an invaluable tool for outdoor activities and emergency communication.

In terms of construction, the TH-D7A features a durable and compact design, making it suitable for both portable and mobile use. The large, easy-to-read LCD display provides clear visibility in various lighting conditions. Additionally, the transceiver supports a variety of advanced voice modes, including FM, AM, and SSB (Single Side Band), offering a versatile communication experience.

The TH-D7A also incorporates a wide range of digital modes, enhancing its operational capabilities. With the included programming software, users can easily customize their settings, manage memory channels, and update firmware, ensuring the transceiver remains compatible with evolving technologies.

Power management is another highlight, as the TH-D7A provides adjustable output power levels, enabling users to conserve battery life when needed. Overall, the Kenwood TH-D7A is a feature-rich handheld transceiver that combines robust performance with innovative technology, making it a top choice for amateur radio operators seeking reliable communication in diverse environments. Its versatility, combined with its intuitive design, ensures it meets the needs of users across all experience levels.

Contents

TH-D7A Thank YOU FeaturesModels Covered by this Manual One or more of the following statements may be applicable Precautions Contents Microphone Control ScanSystem Ctcss Functions Optional Accessories Wireless Remote Control TH-D7A onlySKY Command 2 TH-D7A only Maintenance KEY2 Supplied AccessoriesKEY+ Power on Conventions Followed in this Manual Preparation Latch, then slide the battery pack backInsert the charger AC plug into an AC wall outlet PB-39 NiCd PB-38 NiCd Installing the AntennaInstalling the Hand STRAP/ Belt Hook Batteries 10 2 Insert four AA LR6 alkaline batteries Installing Alkaline BatteriesAlkaline Connecting with a Cigarette Lighter Socket Connecting with a Regulated Power Supply First QSO Selecting a Band Switching Power ON/OFFAdjusting Volume Operating Basics Press UP/ DWN to select from 6 squelch levels Adjusting SquelchPress OK to complete the setting Press F, Moni Reliable. You can program a different power for band When you finish speaking, release the PTT switchSelecting lower transmit power is a wise method to Reduce battery consumption, if communication is still Getting Acquainted Indicators OK key Cursor KeysBand a & B UP/ DWN keys Menu mode Function Select modeVFO mode Memory Recall mode Press TNC twice to select. In this mode, you can send Full Duplex modePacket mode Commands to the built-in TNC from a personal computer Keypad Direct Entry Quick Reference Guide VFO F Key Operation Function1 s Ctcss ON/ OFF Menu SET-UP Menu Access Level Selections Default Menu Configuration OFF Radio AUXLevel Selections Aprs SKY SstvCMD Offset Programming Flow Operating Through Repeaters Within the band limits Programming OffsetPress UP/ DWN to select the appropriate offset Frequency Following methods to bring the transmit frequency Press UP/ DWN to select the appropriate tone frequency Press F, 1 to switch the Tone function on or OFF67.0 97.4 136.5 192.8 A. and Canada versions Automatic Repeater Offset Automatic Simplex Check ASC Press REV to switch the Reverse function on or 13 OFFPress REV 1 s to switch the function on Reverse Function Tone FREQ. ID Ctcss on Memory ChannelsCHANNEL? Parameter Press PTT+OK Press UP/ DWN to select the desired memory channel Press OK Press UP/ DWN to select the desired memory Channel Press MR+ Power onRecalling a Memory Channel Clearing a Memory Channel Press UP/ DWN to select the first digit Naming a Memory ChannelRepeat steps 3 and 4 to enter up to 8 digits Press VFO Call Channel TH-D7A onlyPress PTT+CALL Channel Display MEMORY-TO-VFO Transfer UHF Band Defaults Partial or Full RESET?Press F+ Power on VHF Band Defaults Version VFO Freq Tone This transceiver provides the following types of scans ScanScan Type Scan Range Selecting Scan Resume Method Time-Operated modeCarrier-Operated mode Seek mode Press MR 1 s VFO ScanMemory Scan Press VFO 1 s To quit MHz Scan, press ESC MHz Scan Select the desired frequency as the lower limit Program ScanPress F, MR CALL/MEMORY Scan TH-D7A only CALL/VFO Scan TH-D7A onlyRecall the desired memory channel Press UP/ DWN to select the appropriate Ctcss frequency Continuous Tone Coded Squelch System CtcssSelecting a Ctcss Frequency Press F, 4 to select F-4 Ctcss Freq OFF Using CtcssPress F, 3 to switch the Ctcss function on or Ctcss FREQ. ID Manual Dialing Dual Tone MULTI-FREQUENCY Dtmf FunctionsFreq. Hz 1209 1336 1477 1633 Press UP/ DWN to select a character Automatic DialerPress OK Press PTT+MENU Transmitting a Stored Dtmf Number Microphone Control Programmed for the digits not yet entered Auxiliary FunctionsDirect Frequency Entry Data is accepted for the digits entered and 0 is Programmable VFO Changing Frequency Step Size Tone Alert Press F, ENT to switch Tone Alert on or OFFBeep ON/OFF Blanking a Band Display Adjusting Volume BalanceAdjusting Display Contrast Lamp Function Battery Saver Automatic Power OFF APO 15 4 Press OK POWER-ON MessageTransceiver Lock 13 3 Press UP/ DWN to select a character Advanced Intercept Point AIP Switching AM/FM Mode TH-D7A onlySwitching TX Deviation TH-D7E only TX Inhibit Equipment Packet OperationReference material for starting packet operation should Be available at any store that handles Amateur Radio Operating TNC Connecting with a Personal ComputerCommand mode Converse mode On your personal computer. First connect Preparation FlowFollowing steps should guide you to a good start Packet operation. The shaded steps indicate operations Both Bands Selecting Data BandFull Duplex Band only DX Packetclusters Monitor Comment Press List to restore the frequency display SLOW-SCAN Television Sstv with VC-H1 20 3 Press UP/ DWN to select a character Entering Call SIGN/ MESSAGE/ RSV22 4 Press OK Selecting Color for Call SIGN/ MESSAGE/ RSV Executing Superimposition VC-H1 Control Power is onVC-H1 Automatic PACKET/ Position Reporting System Operation Flow KEY Indicator Meaning What is Included?Receiving Aprs Data New Aprs Duplicate 18 3 Press OK Accessing Received Aprs DataPress List 12 2 Press UP/ DWN to select the desired station Temperature 15 5 Repeat steps 3 and 4 to enter up to 9 digits Programming a Call Sign11 3 Press UP/ DWN to select a character 13 4 Press OK Kenwood Sstv Press OK Press Menu to exit Menu modeSelecting Your Station Icon Press UP/ DWN to select from 15 icons plus Others Entering LATITUDE/ Longitude Data Press Menu to enter Menu modePress 2, 3 to select 2-3 My Pos Press UP/ DWN to select the desired comment Selecting a Position Comment Press UP/ DWN to select a character Entering Status Text17 4 Press OK Alternate net Programming a Group CodeAll calls Special Repeat steps 3 and 4 to enter up to 32 digits Programming a Packet Path Method 4 Ssid path Method 1 Specific pathMethod 2 Generic path Method 3 WIDEN-N path Press 2, 9 to select 2-9 Data TX Selecting Beacon Transmit MethodBcon again Press UP/ DWN to select the desired distance Selecting Beacon Transmit IntervalRestricting Reception of Aprs Data Press UP/ DWN to select the desired interval Aprs Message KEY+NEW Data Status Accessing Received Aprs MessagesPress MSG Message Type Repeat steps 4 and 5 to enter up to 9 digits Entering a MessageRepeat to enter a message or bulletin with up to 45 digits Press OK to start transmitting Transmitting a Message Press a numeric key 0 to 9 to enter a 3-digit secret number Wireless Remote Control TH-D7A onlyPress PTT+VFO+ Power on Preparation Control Operation Press PTT+MR+ Power onENT or VFO UP/ DWN To recall a memory channel SKY Command 2 TH-D7A only Contact your authorized Kenwood dealer TransceiverYou can use the optional cables PG-4R to connect Transporter with the HF transceiver. For these cables On the Commander Access Menu 4-4 and select Commander On Transporter On CommanderProgramming Call Signs Programming a Tone Frequency CLR PowerUP/ DWN ModePage Cleaning MaintenanceService Service Note Problem Probable Cause Corrective Action TroubleshootingPress A/B+ Power on to exit Press BAL, then UP/ DWN to Page Problem Probable Cause Corrective Action EMC-3 PB-38 PB-39 BT-11 Optional AccessoriesSMC-32 SMC-33 SMC-34 HMC-3 PG-4R PG-3JPG-4W VC-H1 PG-4V Equipment Connections Connecting Other External Equipment General VHF Band UHF Band Specifications Transmitter VHF Band UHF Band Short Default Parameter Description TNC Commands ListAppendix Flow ON/ OFF DwaitEcho ON/ OFF Firmrnr FIR OFF ON/ OFF Ltext HbaudLocation LOC Every Lpath LPA GPS Ppersist ON/ OFF ResetTxdelay Persist Index