Kenwood TH-D7A Programming a Packet Path, Repeat steps 3 and 4 to enter up to 32 digits

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PROGRAMMING A PACKET PATH

1A packet path specifies how APRS data should be transferred via one or more repeaters. A repeater, which

2is used for packet transfer, is commonly called a

3digipeater. This came from a digital repeater. A

4digipeater is usually located on a mountain top or high building. Unlike a voice repeater, it operates on a

5simplex frequency. Each volunteer who installs a

6digipeater declares his (or her) digipeater to be a “wide”

1Press [MENU] to enter Menu mode.

2Press [2], [8] to select “2–8 (PACKET PATH)”.

•The display for entering characters appears; the first digit blinks.

STA CON

96 BCONDUP

5 7 9

7

type or “relay” type. Generally a wide-type digipeater transmits packets over much greater distances than a

8relay-type one.

9The APRS supports various methods for specifying a

10 packet path. Some of those methods are described on

11the next page. This transceiver allows you to edit a path using a maximum of 32 alphanumeric characters. The

12default is “RELAY,WIDE” that is one of the common

13settings. A comma must be put between each

14parameter.

15Note: This transceiver is incapable of functioning as a digipeater.

16

17

 

18

 

19

 

20

 

21

 

22

 

23

Wide-type

Relay-type

3Press [UP]/ [DWN] to select a character.

•You can enter 0 to 9, A to Z, , (comma), and –.

4Press [OK].

•The cursor moves to the next digit.

5Repeat steps 3 and 4 to enter up to 32 digits.

•Pressing [OK] after selecting the 32nd digit completes the programming.

•To complete programming after entering less than 32 digits, press [OK] twice.

•Each press of [ESC] causes the cursor to move backward.

•Pressing [A/B] deletes the digit at which the cursor is blinking.

6Press [MENU] to exit Menu mode.

You can also use the keypad to enter alphanumeric characters in step 3. For example, each press of [TNC] switches entry as A, B, C, then 2. Press [ENT] to switch between , and –.

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Contents TH-D7A Features Thank YOUModels Covered by this Manual Precautions One or more of the following statements may be applicableContents Functions ScanSystem Ctcss Microphone ControlMaintenance Wireless Remote Control TH-D7A onlySKY Command 2 TH-D7A only Optional AccessoriesConventions Followed in this Manual Supplied AccessoriesKEY+ Power on KEY2Latch, then slide the battery pack back PreparationInsert the charger AC plug into an AC wall outlet Batteries Installing the AntennaInstalling the Hand STRAP/ Belt Hook PB-39 NiCd PB-38 NiCdInstalling Alkaline Batteries 10 2 Insert four AA LR6 alkaline batteriesAlkaline Connecting with a Regulated Power Supply Connecting with a Cigarette Lighter SocketFirst QSO Operating Basics Switching Power ON/OFFAdjusting Volume Selecting a BandPress F, Moni Adjusting SquelchPress OK to complete the setting Press UP/ DWN to select from 6 squelch levelsReduce battery consumption, if communication is still When you finish speaking, release the PTT switchSelecting lower transmit power is a wise method to Reliable. You can program a different power for bandGetting Acquainted Indicators UP/ DWN keys Cursor KeysBand a & B OK keyMemory Recall mode Function Select modeVFO mode Menu modeCommands to the built-in TNC from a personal computer Full Duplex modePacket mode Press TNC twice to select. In this mode, you can sendKeypad Direct Entry Menu Access Menu SET-UPMenu Configuration Level Selections DefaultAprs Radio AUXLevel Selections OFFSstv SKYCMD Operating Through Repeaters Offset Programming FlowFollowing methods to bring the transmit frequency Programming OffsetPress UP/ DWN to select the appropriate offset Frequency Within the band limitsPress F, 1 to switch the Tone function on or OFF Press UP/ DWN to select the appropriate tone frequency67.0 97.4 136.5 192.8 Automatic Repeater Offset A. and Canada versionsReverse Function Press REV to switch the Reverse function on or 13 OFFPress REV 1 s to switch the function on Automatic Simplex Check ASCTone FREQ. ID Parameter Memory ChannelsCHANNEL? Ctcss onPress UP/ DWN to select the desired memory channel Press OK Press PTT+OKClearing a Memory Channel Press MR+ Power onRecalling a Memory Channel Press UP/ DWN to select the desired memory ChannelNaming a Memory Channel Press UP/ DWN to select the first digitRepeat steps 3 and 4 to enter up to 8 digits Call Channel TH-D7A only Press VFOPress PTT+CALL MEMORY-TO-VFO Transfer Channel DisplayVHF Band Defaults Version VFO Freq Tone Partial or Full RESET?Press F+ Power on UHF Band DefaultsScan This transceiver provides the following types of scansScan Type Scan Range Seek mode Time-Operated modeCarrier-Operated mode Selecting Scan Resume MethodPress VFO 1 s VFO ScanMemory Scan Press MR 1 sMHz Scan To quit MHz Scan, press ESCProgram Scan Select the desired frequency as the lower limitPress F, MR CALL/VFO Scan TH-D7A only CALL/MEMORY Scan TH-D7A onlyRecall the desired memory channel Press F, 4 to select F-4 Ctcss Freq Continuous Tone Coded Squelch System CtcssSelecting a Ctcss Frequency Press UP/ DWN to select the appropriate Ctcss frequencyCtcss FREQ. ID Using CtcssPress F, 3 to switch the Ctcss function on or OFFDual Tone MULTI-FREQUENCY Dtmf Functions Manual DialingFreq. Hz 1209 1336 1477 1633 Automatic Dialer Press UP/ DWN to select a characterPress OK Transmitting a Stored Dtmf Number Press PTT+MENUMicrophone Control Ctcss ON/ OFFData is accepted for the digits entered and 0 is Auxiliary FunctionsDirect Frequency Entry Programmed for the digits not yet enteredChanging Frequency Step Size Programmable VFOPress F, ENT to switch Tone Alert on or OFF Tone AlertBeep ON/OFF Lamp Function Adjusting Volume BalanceAdjusting Display Contrast Blanking a Band DisplayAutomatic Power OFF APO Battery Saver13 3 Press UP/ DWN to select a character POWER-ON MessageTransceiver Lock 15 4 Press OKTX Inhibit Switching AM/FM Mode TH-D7A onlySwitching TX Deviation TH-D7E only Advanced Intercept Point AIPBe available at any store that handles Amateur Radio Packet OperationReference material for starting packet operation should EquipmentConverse mode Connecting with a Personal ComputerCommand mode Operating TNCPacket operation. The shaded steps indicate operations Preparation FlowFollowing steps should guide you to a good start On your personal computer. First connectBand only Selecting Data BandFull Duplex Both BandsComment Press List to restore the frequency display DX Packetclusters MonitorSLOW-SCAN Television Sstv with VC-H1 Entering Call SIGN/ MESSAGE/ RSV 20 3 Press UP/ DWN to select a character22 4 Press OK Executing Superimposition Selecting Color for Call SIGN/ MESSAGE/ RSVPower is on VC-H1 ControlVC-H1 Automatic PACKET/ Position Reporting System Operation Flow New Aprs Duplicate Indicator Meaning What is Included?Receiving Aprs Data KEY12 2 Press UP/ DWN to select the desired station Accessing Received Aprs DataPress List 18 3 Press OKTemperature 13 4 Press OK Programming a Call Sign11 3 Press UP/ DWN to select a character 15 5 Repeat steps 3 and 4 to enter up to 9 digitsPress UP/ DWN to select from 15 icons plus Others Press OK Press Menu to exit Menu modeSelecting Your Station Icon Kenwood SstvPress Menu to enter Menu mode Entering LATITUDE/ Longitude DataPress 2, 3 to select 2-3 My Pos Selecting a Position Comment Press UP/ DWN to select the desired commentEntering Status Text Press UP/ DWN to select a character17 4 Press OK Special Programming a Group CodeAll calls Alternate netProgramming a Packet Path Repeat steps 3 and 4 to enter up to 32 digitsMethod 3 WIDEN-N path Method 1 Specific pathMethod 2 Generic path Method 4 Ssid pathSelecting Beacon Transmit Method Press 2, 9 to select 2-9 Data TXBcon again Press UP/ DWN to select the desired interval Selecting Beacon Transmit IntervalRestricting Reception of Aprs Data Press UP/ DWN to select the desired distanceAprs Message KEY+NEW Data Message Type Accessing Received Aprs MessagesPress MSG StatusEntering a Message Repeat steps 4 and 5 to enter up to 9 digitsRepeat to enter a message or bulletin with up to 45 digits Transmitting a Message Press OK to start transmittingPreparation Wireless Remote Control TH-D7A onlyPress PTT+VFO+ Power on Press a numeric key 0 to 9 to enter a 3-digit secret numberPress PTT+MR+ Power on Control OperationENT or VFO UP/ DWN To recall a memory channel SKY Command 2 TH-D7A only Transporter with the HF transceiver. For these cables TransceiverYou can use the optional cables PG-4R to connect Contact your authorized Kenwood dealerOn the Commander Access Menu 4-4 and select Commander Programming a Tone Frequency On CommanderProgramming Call Signs On TransporterMode PowerUP/ DWN CLRPage Service Note MaintenanceService CleaningTroubleshooting Problem Probable Cause Corrective ActionPress A/B+ Power on to exit Press BAL, then UP/ DWN to Page Problem Probable Cause Corrective Action HMC-3 Optional AccessoriesSMC-32 SMC-33 SMC-34 EMC-3 PB-38 PB-39 BT-11VC-H1 PG-4V PG-3JPG-4W PG-4RConnecting Other External Equipment Equipment ConnectionsSpecifications General VHF Band UHF BandTransmitter VHF Band UHF Band TNC Commands List Short Default Parameter DescriptionAppendix Firmrnr FIR OFF ON/ OFF DwaitEcho ON/ OFF Flow ON/ OFFLpath LPA GPS HbaudLocation LOC Every LtextPersist ResetTxdelay Ppersist ON/ OFFQuick Reference Guide Key Operation Function 1 sVFO F Index
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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.
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