Kenwood AT950A Manual

The Kenwood AT950A is a high-performance automotive antenna system designed for superior AM/FM reception and satellite radio compatibility. Featuring a sleek retractable design, built-in amplifier, and weather-resistant construction, this antenna provides optimal signal reception for various broadcasting formats. Below are key sections covering installation, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation Instructions 3. Operation Guide 4. Technical Specifications 5. Controls and Functions 6. Connection Setup 7. Maintenance Procedures 8. Safety Precautions 9. Regulatory Information 10. Troubleshooting Guide

Features at a Glance

Key components: Retractable mast, built-in signal amplifier, weather-resistant housing, coaxial connector, mounting hardware.

Feature	Description
Retractable Design	Automatically extends/retracts with vehicle power
Built-in Amplifier	Enhances AM/FM signal reception
Satellite Ready	Compatible with satellite radio systems
Weather Resistant	Designed to withstand harsh environmental conditions
Universal Mount	Fits most vehicle roof configurations
Power Supply	12V DC vehicle power required
Coaxial Connector	Standard automotive antenna connection
LED Indicator	Shows power and operation status
Auto-retract	Automatically retracts when vehicle is turned off
Manual Override	Manual extension/retraction capability

Installation Instructions

Proper installation ensures optimal performance and longevity.

Choose mounting location: Select flat roof area away from obstructions.
Prepare mounting surface: Clean area thoroughly before installation.
Connect wiring: Route coaxial cable to head unit, connect power wire to 12V source.
Secure antenna: Tighten mounting nut to manufacturer specifications.
Test operation: Verify extension/retraction and signal reception.

WARNING! Ensure vehicle is parked in safe location during installation. Disconnect battery before beginning electrical connections.

Operation Guide

The antenna operates automatically with vehicle ignition system.

Automatic operation: Antenna extends when vehicle is started, retracts when turned off.
Manual control: Use override switch if available for specific applications.
Signal optimization: Ensure antenna is fully extended for best reception.
Maintenance mode: Some models include service position for cleaning.

CAUTION! Do not attempt to manually force antenna movement while powered.

Technical Specifications

Frequency Range: AM: 530-1710 kHz, FM: 87.5-108 MHz
Impedance: 50 ohms nominal
Power Requirement: 12V DC, 200mA maximum
Mast Material: Stainless steel with protective coating
Mounting Type: Universal roof mount
Cable Length: Standard 15-foot coaxial cable
Operating Temperature: -30°C to +80°C
Weather Rating: IP67 water and dust resistant
Warranty: 2-year limited warranty

Controls and Functions

Primary operation is automatic; manual controls available on some models.

Automatic Functions: Power-on extension, power-off retraction, signal sensing.

Manual Override: Extension/retraction switch (if equipped), maintenance position.

Indicator Lights: Power LED (green), fault indicator (red), operation status.

Amplifier Control: Automatic gain adjustment, signal boost for weak areas.

Connection Setup

Proper electrical connections are essential for reliable operation.

Coaxial connection: Connect to antenna input on head unit.
Power connection: Connect red wire to switched 12V source.
Ground connection: Connect black wire to vehicle chassis ground.
Satellite radio: Additional connection if satellite capable.

Tip: Use proper crimp connectors and protect all connections from moisture.

Maintenance Procedures

Regular maintenance ensures optimal performance and longevity.

Monthly inspection: Check for physical damage or corrosion.
Cleaning: Use mild soap and water; avoid abrasive cleaners.
Lubrication: Apply silicone spray to moving parts as needed.
Winter care: Remove ice buildup before operating.

CAUTION! Never use high-pressure washers directly on antenna components.

Safety Precautions

Follow all safety guidelines during installation and operation.

Disconnect battery before beginning electrical work
Ensure proper grounding of all components
Keep antenna clear of overhead obstructions
Do not operate in car wash facilities
Avoid contact with high-voltage sources

Regulatory Information

FCC Part 15 compliant. This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation. Copyright © 2025 Kenwood Corporation. All rights reserved. For technical support, visit www.kenwood.com or contact 1-800-KENWOOD.

Troubleshooting Guide

Symptom	Possible Cause	Corrective Action
Antenna not extending	Power issue/motor fault	Check 12V power supply; verify wiring connections; inspect motor.
Poor reception quality	Amplifier/connection issue	Check coaxial connections; verify amplifier power; inspect cable damage.
Antenna stuck extended	Mechanical obstruction	Check for ice/debris; manually retract if equipped; inspect mechanism.
No satellite reception	Satellite connection	Verify satellite radio subscription; check additional connections.
Intermittent operation	Wiring/ground issue	Inspect all wiring; verify solid ground connection; check for shorts.

Reset Procedure: Disconnect power for 30 seconds, then reconnect.

Service Information: 1-800-KENWOOD; www.kenwood.com/support