Kenwood TM D710E Manual

The Kenwood TM D710E is a dual-band VHF/UHF mobile transceiver featuring APRS capability, GPS compatibility, cross-band repeat function, wide frequency coverage, and robust construction for amateur radio use. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Dual-band transceiver, Remote Control Head, GPS connector, APRS functionality, Cross-band repeat, Multiple scanning modes.

Feature	Description
Dual-band operation	VHF 144-148 MHz / UHF 430-450 MHz
APRS capability	Automatic Packet Reporting System with GPS
Cross-band repeat	Relay signals between VHF and UHF bands
GPS connector	For external GPS receiver connection
Remote control head	Separable control unit for flexible mounting
Multiple scanning modes	Program, memory, band scanning
Power output	50W VHF / 35W UHF (adjustable)
DTMF microphone	Included for tone operation
Memory channels	Over 400 memory channels
Water resistant	IP54 rated for outdoor use

Installation

Unpack and inspect contents. Choose suitable mounting location.

1. Mount main unit: Secure in vehicle using mounting bracket.
2. Install control head: Attach to dashboard or convenient location.
3. Connect power: Red wire to positive terminal, black wire to negative.
4. Connect antenna: Use appropriate VHF/UHF dual-band antenna.
5. Connect GPS: Attach external GPS receiver if using APRS.

WARNING! Ensure proper fuse rating. Disconnect vehicle battery during installation.

First-Time Setup

Power on transceiver; configure basic settings.

1. Set frequency bands: Use VFO mode to select VHF/UHF frequencies.
2. Program memory channels: Store frequently used frequencies.
3. Configure APRS: Set call sign and beacon interval if using.
4. Adjust power output: Set appropriate power level for operation.
5. Set squelch: Adjust for minimal background noise.

CAUTION! Ensure proper antenna connection before transmitting.

Specifications

• Frequency Range: VHF 144-148 MHz / UHF 430-450 MHz
• Power Output: 50W VHF / 35W UHF (high), 5W (low)
• Modulation: FM
• Memory Channels: 400+ memory channels
• APRS: Built-in TNC with GPS support
• Cross-band Repeat: Full duplex operation
• Power Supply: 13.8V DC ±15%
• Current Drain: 12A max (transmit), 1.3A (receive)
• Operating Temp: -20°C to +60°C
• Dimensions: Main unit 140W × 40H × 180D mm

Controls and Settings

Front Panel: Power button, Volume knob, Channel selector, Function keys.

Remote Head: LCD display, Soft keys, Microphone connector, GPS port.

Basic Operations: Power on/off, Volume adjustment, Channel selection, Band switching. Advanced Settings: APRS configuration, Cross-band repeat setup, Scanning modes, Memory management, Tone squelch settings.

Connecting Devices

Antenna: SO-239 connector for dual-band antenna. Power: DC input with fuse. GPS: Mini-DIN connector. External Speaker: 3.5mm jack.

1. Turn off power before connecting devices.
2. Use appropriate cables for each connection.
3. Ensure all connections are secure and weatherproof if outdoors.

Tip: Use high-quality coaxial cable for antenna connection to minimize signal loss.

APRS Operation

Automatic Packet Reporting System for position reporting and messaging.

1. Enable APRS: Access APRS menu in settings.
2. Set call sign: Enter your amateur radio call sign.
3. Configure beacon: Set position reporting interval.
4. Connect GPS: Attach external GPS for position data.
5. Monitor APRS: View received packets on display.
6. Send messages: Use message function for text communication.

WARNING! Ensure proper APRS frequency usage according to local regulations.

Cross-band Repeat

Relay signals between VHF and UHF bands.

1. Enable cross-band: Access function menu.
2. Set input frequency: Choose receive frequency on one band.
3. Set output frequency: Choose transmit frequency on other band.
4. Configure CTCSS: Set tone squelch if required.
5. Monitor operation: Check for proper signal relay.

CAUTION! Ensure cross-band repeat is legal in your area and doesn't cause interference.

Care & Maintenance

Keep unit clean and dry. Use soft cloth for cleaning; avoid chemicals.

CAUTION! Do not use solvents or abrasive cleaners. Keep connections dry and corrosion-free.

Regulatory Information

FCC Part 97: Amateur Radio Service compliance. Requires valid amateur radio license for operation. Copyright © Kenwood Corporation. For support, visit www.kenwood.com or contact authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection/fuse	Check power wires; verify fuse; ensure proper voltage.
Poor reception	Antenna/connections	Check antenna connection; verify SWR; inspect cables.
APRS not working	GPS/settings	Verify GPS connection; check APRS settings; confirm frequency.
Cross-band repeat inactive	Settings/power	Enable in menu; check power output settings; verify frequencies.
Display issues	Connections/power	Check control head cable; verify power supply; reset unit.

Reset: Menu > System > Reset to factory defaults if needed.

Service: Contact authorized Kenwood service center for repairs.