Kenwood TK 272G Owners Manual

The Kenwood TK 272G is a professional-grade VHF FM two-way mobile radio designed for commercial and industrial use. Featuring 128 channels, robust construction, programmable functions, wide frequency coverage, and multiple scanning options. Below are key sections for safety, features, installation, programming, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Accessories 7. Operating Procedures 8. Programming Features 9. Maintenance & Care 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with display, microphone, mounting bracket, DC power cable, and programming cable.

Feature	Description
Frequency Range	VHF 136-174 MHz
Channels	128 programmable channels
Power Output	High: 45W, Mid: 25W, Low: 5W
Display	LCD with backlight
Scanning	Priority, Programmed, Time-operated
Programming	PC programmable via KPG-56D software
Power Input	13.8V DC negative ground
Antenna Connector	SO-239
Microphone	DTMF capable with programmable buttons
Dimensions	140(W) x 40(H) x 165(D) mm

Installation

Unpack and inspect contents. Select appropriate mounting location in vehicle.

Mounting: Secure mounting bracket using provided hardware in stable location.
Power Connection: Connect red wire to positive terminal, black wire to negative ground.
Antenna Installation: Connect antenna to SO-239 connector, ensure proper grounding.
Microphone Connection: Plug microphone into front panel connector.

WARNING! Ensure proper fuse rating (15A recommended). Verify negative ground system before installation.

First-Time Setup

Power on radio; initialize basic settings.

Channel Selection: Rotate channel selector knob to desired channel.
Squelch Adjustment: Set squelch level to eliminate background noise.
Volume Control: Adjust volume to comfortable listening level.
Power Level: Select appropriate power setting for operating conditions.

CAUTION! Ensure proper antenna connection before transmitting to prevent damage.

Specifications

Frequency Range: VHF 136-174 MHz
Channel Capacity: 128 channels
Power Supply: 13.8V DC ±15% negative ground
Current Consumption: Receive: 0.8A, Transmit: 9A (45W)
Modulation: 16KΦF3E (FM)
Antenna Impedance: 50 ohms
Operating Temperature: -30°C to +60°C
Dimensions: 140(W) x 40(H) x 165(D) mm
Weight: Approximately 1.1 kg

Controls and Settings

Front Panel Controls: Power/Volume knob, Channel selector, Function keys, Microphone connector.

Display Indicators: Channel number, Transmit indicator, Busy channel, Power level, Scan status.

Menu Settings: Squelch level, Time-out timer, Scan settings, Power settings, Tone settings (CTCSS/DCS). Function Keys: Programmable for quick access to frequently used features.

Connecting Accessories

External Speaker: Use external speaker jack for additional audio output. Data Port: For programming and data applications. Microphone: Standard Kenwood microphone connector.

Turn off radio before connecting accessories.
Use only Kenwood-approved accessories.
Ensure proper cable routing to avoid interference.

Tip: Use shielded cables for data connections to reduce RF interference.

Operating Procedures

Basic transmit and receive operations.

Transmitting: Press and hold PTT button, speak clearly into microphone.
Receiving: Release PTT button, adjust volume as needed.
Channel Selection: Rotate channel knob to desired frequency.
Scan Operation: Press SCAN button to initiate scanning of programmed channels.
Monitor Function: Press MONI to temporarily open squelch and check for weak signals.
Power Selection: Use power button to cycle through High/Mid/Low power settings.

WARNING! Do not transmit without antenna connected. Observe proper radio etiquette.

Programming Features

Channel programming via KPG-56D software. Features include: CTCSS/DCS encode/decode, 2-tone sequential, DTMF signaling, Auto-dialer, ANI, Time-out timer, Busy channel lockout.

Maintenance & Care

Regular inspection and cleaning recommended. Use soft, dry cloth for exterior cleaning. Check antenna and cable connections periodically.

CAUTION! Do not use chemical cleaners. Keep away from moisture and extreme temperatures.

Regulatory Information

FCC Part 90 certified for land mobile radio service. Complies with relevant industry standards. This device must accept any interference received, including interference that may cause undesired operation. For technical support, contact Kenwood authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection/fuse	Check power connections; verify fuse integrity; ensure proper voltage.
No transmission	PTT/microphone	Check PTT switch; verify microphone connection; check antenna.
Poor reception	Antenna/squelch	Verify antenna connection; adjust squelch setting; check location.
No audio	Volume/speaker	Adjust volume control; check speaker connection; verify channel activity.
Programming issues	Cable/software	Verify programming cable connection; check software configuration.

Reset: Use programming software to reset to factory defaults if needed.

Service: Contact authorized Kenwood service center for repairs.