CONTROL OPERATION

When in the Sky Command mode, the keys of the Commander will function as below. Only the functions of [LAMP], [MONI], and the VOL control will not change. First switch ON the HF transceiver and press [SYNC] on the Commander.

Tuning

control

Each time you press the desired key, the Commander will automatically enter transmit mode and send the corresponding control command to the Transporter.

To switch ON/ OFF the HF

Press [POWER].

transceiver

 

To transmit audio on a HF

Press and hold the PTT

switch, then speak into the

frequency

microphone.

 

 

 

To receive audio on a HF

Press [RX].

frequency

 

 

 

To monitor the UHF band

Press and hold [MONI].

on the Commander

 

 

 

Key

Function

 

 

Tuning

Frequency or memory channel number

control

change

 

 

UP/ DWN

RIT offset or XIT offset change

 

 

A/B

In VFO mode: VFO A/ VFO B switch

In Memory Recall mode: no change

 

 

 

POWER 1

Power ON/ OFF

 

 

RX 1

HF frequency receive ON/ OFF

 

 

MODE 1

Modulation mode switch

RIT 1

RIT ON/ OFF

 

 

XIT 1

XIT ON/ OFF

 

 

CLR 1

RIT offset or XIT offset clear

SPLIT 1

Split-frequency ON/ OFF

 

 

M V 1

Transfer from Memory to VFO

 

 

FAST

In LSB, USB, or CW mode: 10 Hz/ 1 kHz

switch

 

In FM or AM mode: 1 kHz/ 10 kHz switch

 

 

SYNC 1

Current settings retrieve (from HF

transceiver)

 

 

 

ENT

In VFO mode: frequency entry ON

In Memory Recall mode: channel number

 

entry ON

 

 

M/V

VFO/ Memory Recall mode switch

 

 

1After pressing [ENT], you can use these keys as numeric keys to enter a frequency or memory channel number.

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

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Kenwood 144, 440 MHz TH-D7A instruction manual Up/ Dwn, Power, Mode, Clr, Fast, Sync, Ent

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.