CONNECTING WITH A REGULATED POWER SUPPLY

To connect the transceiver with an appropriate regulated power supply, use an optional PG-2W DC cable.

1Confirm that the power switches of both the transceiver and power supply are OFF.

2Connect the optional PG-2W DC cable to the power supply; red lead to positive (+) terminal, and black lead to negative (–) terminal.

Black Red

Fuse Regulated power supply

CONNECTING WITH A CIGARETTE LIGHTER SOCKET

To connect the transceiver with the cigarette lighter socket in your vehicle, use an optional PG-3J Cigarette Lighter cable.

DC IN jack

To cigarette

 

 

lighter

 

socket

To connect with an external 24 V power source via a DC-DC converter, only use the optional PG-3J Cigarette Lighter cable. Using the PG-2W DC cable in this situation may cause a fire.

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3Connect the barrel plug on the DC cable to the DC IN jack on the side of the transceiver.

DC IN jack

Note:

2 4 V

2 4 V

2 4 V

DC-DC converter

PG-3J 1 2 V

Cigarette lighter socket

1 2 V

PG-3J

 

DC-DC converter

1 2 V PG-2W

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Only use the power supplies recommended by your authorized KENWOOD dealer.

The supply voltage must be between 5.5 V and 16 V to prevent damaging the transceiver. If input voltage exceeds approximately 18 V, warning beeps sound and a warning message appears.

Note: If input voltage exceeds approximately 18 V, warning beeps sound and a warning message appears.

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Kenwood TH-D7A instruction manual Connecting with a Regulated Power Supply, Connecting with a Cigarette Lighter Socket

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.