Kenwood TM G707A Manual

The Kenwood TM G707A is a dual-band FM transceiver operating on 144MHz and 430MHz amateur radio bands. This compact mobile unit features 50W output on VHF and 35W on UHF, 200 memory channels, CTCSS/DCS encode/decode, wideband receiver coverage, cross-band repeat function, and versatile scanning capabilities. Below are key sections covering operation, features, installation, programming, and troubleshooting.

1. Features at a Glance 2. Installation 3. Basic Operation 4. Specifications 5. Controls and Functions 6. Memory Programming 7. Advanced Features 8. Cross-band Operation 9. Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Dual-band transceiver, microphone, mounting bracket, DC power cable, and operation manual.

Feature	Description
Frequency Coverage	VHF: 136-174MHz, UHF: 400-470MHz
Output Power	VHF: 50W/5W, UHF: 35W/5W (High/Low)
Memory Channels	200 channels (100 per band)
CTCSS/DCS	50 CTCSS tones, 104 DCS codes
Cross-band Repeat	Full duplex cross-band repeating
Scanning	Programmable memory and band scanning
Power Requirement	13.8V DC ±15% negative ground
Antenna Connectors	SO-239 for VHF, N-type for UHF
Dimensions	140(W) × 40(H) × 170(D) mm
Weight	1.1 kg

Installation

Unpack and inspect all components. Choose suitable mounting location.

Mounting: Use provided bracket to secure unit in vehicle or base station.
Power Connection: Connect red wire to positive (+), black wire to negative (-) of 13.8V DC source.
Antenna Installation: Connect VHF antenna to SO-239 connector, UHF antenna to N-type connector.
Microphone: Plug microphone into front panel MIC connector.

WARNING! Ensure proper polarity when connecting power. Reverse polarity may damage the unit.

Basic Operation

Power on unit; adjust volume and squelch as needed.

Frequency Selection: Use main dial or keypad to enter desired frequency.
Band Selection: Press V/U button to switch between VHF and UHF bands.
Power Level: Press LOW button to toggle between high and low power.
Memory Recall: Press MR button and select memory channel.
Transmit: Press PTT on microphone to transmit, release to receive.

CAUTION! Operate only with valid amateur radio license for your country.

Specifications

Frequency Range: VHF: 136-174MHz, UHF: 400-470MHz
Mode: FM (16F3)
Power Output: VHF: 50W/5W, UHF: 35W/5W
Memory Channels: 200 channels total
Sensitivity: Better than 0.16μV for 12dB SINAD
Selectivity: ±7.5kHz at -6dB
Audio Output: 2W at 8Ω
Current Drain: Receive: 0.8A, Transmit: 10A (max)
Operating Temp: -20°C to +60°C

Controls and Functions

Front Panel: Power switch, Volume/SQL control, Main dial, Function keys, Display.

Key Functions: V/U (Band select), LOW (Power level), MR (Memory recall), CALL (Call channel), SCAN (Scan operation), SET (Function set), DUAL (Dual watch), TONE (Tone encode), REV (Reverse frequency), LAMP (Display illumination).

Display Indicators: TX/RX, SQL, TONE, DCS, LOW, DUAL, SCAN, MR, VFO, MHz/kHz.

Memory Programming

Store frequently used frequencies and settings in memory channels.

Select frequency and desired settings (tone, offset, etc.)
Press MR button to enter memory mode
Use dial to select memory channel number
Press MR again for 2 seconds to store
Repeat for additional channels

Memory Contents: Frequency, CTCSS/DCS, offset direction, power level, skip status.

Advanced Features

CTCSS/DCS Operation: Access tone squelch functions via TONE button.

Press TONE button to enable CTCSS encode
Press and hold TONE to access CTCSS/DCS menu
Select desired tone or code
Dual Watch: Monitor two frequencies simultaneously
Scanning: Programmable scan with memory skip function

Note: Tone frequencies and DCS codes are programmable.

Cross-band Operation

Cross-band repeat function allows receiving on one band and transmitting on another.

Enable cross-band function in SET menu
Set input frequency (receive) and output frequency (transmit)
Configure time-out timer and other parameters
Activate cross-band repeat mode

WARNING! Ensure cross-band operation complies with local regulations.

Maintenance

Keep unit clean and dry. Check connections periodically.

CAUTION! Disconnect power before cleaning. Use soft dry cloth only; do not use chemicals or solvents.

Regulatory Information

FCC Part 97: Certified for amateur radio service. This device complies with Part 15 of FCC Rules. Operation subject to condition that device does not cause harmful interference. For technical support, contact Kenwood authorized service centers or visit www.kenwood.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection	Check DC cable connections; verify 13.8V power source
No transmit	Settings/antenna	Check power level setting; verify antenna connection
Poor reception	Antenna/SQL setting	Adjust squelch; check antenna and cables
Memory lost	Backup battery	Internal backup battery may need replacement
Overheating	Ventilation/power	Ensure adequate ventilation; check power settings

Reset: Power off, hold SET and MR while powering on to reset to factory defaults.

Service: Contact authorized Kenwood service center for repairs.