Scan, System Ctcss, Functions, Microphone Control

CHAPTER	8	SCAN
SELECTING SCAN RESUME METHOD			34
VFO SCAN		..............................................................	35
MEMORY SCAN			35
Locking Out a Memory Channel			36
MHz SCAN		..............................................................	36
PROGRAM SCAN			37
Setting Scan Limits			37
Using Program Scan			38
CALL/VFO SCAN (TH-D7A ONLY)			38
CALL/MEMORY SCAN (TH-D7A ONLY)			38
CHAPTER	9	CONTINUOUS TONE CODED SQUELCH
		SYSTEM (CTCSS)
SELECTING A CTCSS FREQUENCY			39
USING CTCSS			40
CTCSS FREQ. ID			40
CHAPTER	10	DUAL TONE MULTI-FREQUENCY (DTMF)
		FUNCTIONS
MANUAL DIALING			41
TX Hold		..............................................................	41
AUTOMATIC DIALER			42
Storing a DTMF Number in Memory			42
Transmitting a Stored DTMF Number			43
CHAPTER	11	MICROPHONE CONTROL

CHAPTER	12	AUXILIARY FUNCTIONS
DIRECT FREQUENCY ENTRY			45
CHANGING FREQUENCY STEP SIZE			46
PROGRAMMABLE VFO			46
TONE ALERT		..........................................................	47
BEEP ON/OFF			47
ADJUSTING VOLUME BALANCE			48
LAMP FUNCTION			48
ADJUSTING DISPLAY CONTRAST			48
BLANKING A BAND DISPLAY			48
AUTOMATIC POWER OFF (APO)			49
BATTERY SAVER			49
POWER-ON MESSAGE			50
TRANSCEIVER LOCK			50
TX INHIBIT			51
SWITCHING AM/FM MODE (TH-D7A ONLY)			51
ADVANCED INTERCEPT POINT (AIP)			51
SWITCHING TX DEVIATION (TH-D7E ONLY)			51
CHAPTER	13	PACKET OPERATION
CONNECTING WITH A PERSONAL COMPUTER ..			53
OPERATING TNC			53
PREPARATION FLOW			54
SELECTING DATA BAND			55
FULL DUPLEX			55
CHAPTER	14	DX PACKETCLUSTERS MONITOR

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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.

Kenwood 144 Scan, System Ctcss, Microphone Control, Auxiliary Functions, Packet Operation

Models: 144 440 MHz TH-D7A TH-D7A

SCAN

SELECTING SCAN RESUME METHOD

VFO SCAN

SYSTEM (CTCSS)

FUNCTIONS

MICROPHONE CONTROL

AUXILIARY FUNCTIONS

TONE ALERT

PACKET OPERATION

DX PACKETCLUSTERS MONITOR

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