Owner Manual Kenwood TM-V71

The Kenwood TM-V71 is a dual-band FM transceiver operating on 2-meter (144-148 MHz) and 70-centimeter (430-450 MHz) amateur radio bands. This versatile radio features cross-band repeating, 50W output power on VHF and 35W on UHF, 207 memory channels, CTCSS/DCS encode/decode, wide frequency coverage, and multiple scanning functions. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Main unit with dual-band display, microphone, DC power cable, mounting bracket, and connection cables.

Installation

Unpack and inspect all components. Choose suitable mounting location.

1. Mounting: Use provided bracket to secure unit in vehicle or base station location.
2. Power Connection: Connect red wire to positive terminal, black wire to negative ground.
3. Antenna Installation: Connect VHF and UHF antennas to respective SO-239 connectors.
4. Microphone Connection: Plug microphone into front panel MIC jack.
5. Accessory Connections: Connect external speakers or data devices as needed.

WARNING! Ensure proper grounding and fuse protection. Do not operate without antenna connected.

First-Time Setup

Power on unit; initialize settings for first use.

1. Set Operating Frequency: Use VFO knob to select desired frequency on each band.
2. Configure Power Level: Select appropriate power setting (LOW/MID/HIGH).
3. Program Memory Channels: Store frequently used frequencies with alphanumeric tags.
4. Set CTCSS/DCS: Configure tone squelch if required for repeaters.
5. Adjust Display: Set contrast and backlight timing for optimal visibility.

CAUTION! Verify frequency authorization for your license class before transmission.

Specifications

• Frequency Range: VHF: 136-174 MHz, UHF: 420-470 MHz
• Output Power: VHF: 50W max, UHF: 35W max
• Modulation: 16KΦF3E (FM)
• Power Supply: 13.8V DC ±15% negative ground
• Current Drain: Receive: 0.8A, Transmit: 12A (VHF high power)
• Dimensions: 140(W) × 40(H) × 180(D) mm
• Weight: 1.2 kg
• Operating Temp: -20°C to +60°C
• Antenna Impedance: 50 ohms

Controls and Settings

Front Panel: POWER/VOLUME knob, SQL knob, VFO/MR button, A/B band selector, FUNCTION button.

Microphone: PTT, UP/DOWN buttons, 16-key DTMF pad, function buttons.

Basic Settings: Frequency selection, power level, squelch level, tone encode/decode. Advanced Settings: Scan functions, memory management, cross-band repeat, display settings, time-out timer, APO. Menu Functions: Over 100 programmable functions accessible via MENU button and VFO knob.

Connecting Accessories

External Speaker: Use SP jack on rear panel. Data: Use DATA port for PC programming. Remote Control: Optional RC-30 remote controller available.

1. Ensure power is off before connecting accessories.
2. Match connector types and pin configurations.
3. Use shielded cables for data connections to reduce interference.
4. Verify accessory compatibility before connection.

Tip: Use Kenwood genuine accessories for optimal performance and warranty coverage.

Operating Modes

Supports simplex, semi-duplex, and cross-band repeat operations.

1. Simplex Operation: Transmit and receive on same frequency.
2. Duplex Operation: Use different transmit/receive frequencies for repeater access.
3. Cross-band Repeat: Receive on one band and simultaneously transmit on the other.
4. Memory Mode: Recall stored frequencies and settings.
5. VFO Mode: Manual frequency selection and tuning.
6. Scan Modes: Monitor multiple frequencies or memory channels.
7. DTMF Operation: Use keypad for tone signaling and remote control.

WARNING! Cross-band repeat may require special licensing in some regions.

Memory Functions

Store frequencies, tones, and settings in 207 memory channels.

1. Memory Store: Press F + MR to store current VFO settings to memory.
2. Memory Recall: Press MR button and select channel with VFO knob.
3. Memory Clear: Use menu function to erase unwanted memory channels.
4. Memory Groups: Organize memories into groups for easier access.
5. Alphanumeric Tags: Assign names to memory channels for identification.
6. Memory Scan: Scan only selected memory channels.

Care & Maintenance

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

Regular maintenance: Check connections, inspect cables, verify proper operation.

CAUTION! Do not use solvents or abrasive cleaners. Keep away from moisture and extreme temperatures.

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. Copyright © Kenwood Corporation. For technical support and service, contact authorized Kenwood service centers or visit www.kenwood.com.

Troubleshooting

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

Service: Contact authorized Kenwood service center for repairs.