operators manual kenwood r2000

The Kenwood R2000 is a high-performance communications receiver featuring continuous coverage from 150kHz to 30MHz, dual conversion superheterodyne system, digital PLL synthesizer, multiple bandwidth filters, AM/FM/SSB/CW reception modes, built-in speaker, headphone jack, and comprehensive tuning controls. Below are key sections for operation, features, controls, specifications, and troubleshooting.

1. Features at a Glance 2. Installation and Setup 3. Basic Operation 4. Technical Specifications 5. Controls and Functions 6. Advanced Features 7. Antenna Connections 8. Maintenance and Care 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: Digital frequency display, main tuning knob, mode selection, RF gain control, AGC selection, filter bandwidth selection, antenna input, headphone output.

Feature	Description
Frequency Range	150kHz - 30MHz continuous coverage
Reception Modes	AM, FM, SSB (LSB/USB), CW
Tuning System	Digital PLL synthesizer
IF System	Dual conversion superheterodyne
Filters	Multiple bandwidth options (6.0kHz, 4.0kHz, 2.7kHz, 1.8kHz)
Display	Digital frequency readout with signal strength meter
Audio Output	Built-in speaker and headphone jack
Power Requirements	AC 120V/230V, 50/60Hz
Antenna Input	SO-239 connector for 50 ohm antenna
Dimensions	420(W) x 130(H) x 310(D) mm

Installation and Setup

Unpack and inspect contents. Place on stable, level surface.

Connect antenna: Use coaxial cable with PL-259 connector to SO-239 antenna input.
Connect power: Use supplied AC power cord to appropriate wall outlet.
Connect headphones: Optional 3.5mm stereo headphones to front panel jack.
Turn on receiver: Set power switch to ON position.

WARNING! Ensure proper ventilation; do not block cooling vents. Use stable power source.

Basic Operation

Power on receiver; allow 30 seconds for stabilization.

Select frequency: Use main tuning knob or direct frequency entry.
Choose reception mode: Select AM/FM/SSB/CW as required.
Adjust volume: Use VOLUME control for desired listening level.
Set RF gain: Adjust for optimal signal-to-noise ratio.
Select AGC: Fast/Slow/Off depending on signal conditions.
Choose filter bandwidth: Select appropriate bandwidth for mode.

CAUTION! Avoid excessive RF gain settings to prevent overload.

Technical Specifications

Frequency Coverage: 150kHz - 30MHz continuous
Sensitivity: AM: 1.0μV (10dB S/N), SSB: 0.5μV (10dB S+N/N)
Selectivity: AM: 6.0kHz/-6dB, SSB: 2.7kHz/-6dB
Image Rejection: Better than 70dB
IF Rejection: Better than 80dB
Audio Output: 2W at 10% distortion
Power Consumption: 25W maximum
Weight: 6.5kg (14.3 lbs)
Operating Temperature: 0°C to +40°C

Controls and Functions

Front Panel: POWER switch, VOLUME control, TUNING knob, MODE selection, RF GAIN, AGC selection, FILTER selection, SQUELCH control.

Display: Digital frequency readout, S-meter, mode indicators, tuning rate display.

Tuning: Main tuning knob (100Hz/1kHz steps), fine tuning control, memory channels (10 available). Mode Selection: AM, FM, LSB, USB, CW. Filter Selection: 6.0kHz, 4.0kHz, 2.7kHz, 1.8kHz bandwidths. AGC: Fast, Slow, Off modes. Audio: Volume, tone control, headphone output.

Advanced Features

Memory Channels: Store and recall up to 10 frequencies with modes.

Store memory: Tune to desired frequency, press MEMORY, select channel (0-9).
Recall memory: Press RECALL, select desired channel number.
Scan function: Automatically scan stored memory channels.
Offset tuning: Adjust receive frequency offset for SSB/CW operation.
Noise blanker: Reduce impulse noise interference.
RF attenuator: -20dB attenuation for strong signal conditions.

Tip: Use memory channels for frequently monitored frequencies.

Antenna Connections

Primary antenna input: SO-239 connector for 50 ohm coaxial feedline.

Use appropriate antenna for desired frequency range.
Ensure proper grounding for lightning protection.
Use high-quality coaxial cable (RG-8X, RG-213 recommended).
Keep antenna feedline away from power lines and noise sources.

WARNING! Always disconnect antenna during electrical storms.

Maintenance and Care

Unplug before cleaning. Use soft, dry cloth for exterior. Compressed air for dust removal.

Regularly clean front panel and controls.
Check antenna connections for corrosion.
Verify power cord integrity.
Store in dry, dust-free environment when not in use.

CAUTION! No user-serviceable parts inside. Refer servicing to qualified personnel.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. CE compliant for European markets. Manufactured to meet international safety standards. For technical support and service, contact authorized Kenwood service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power cord/power switch	Check power cord connection; verify power switch is ON.
No reception	Antenna/connections	Verify antenna connection; check coaxial cable integrity.
Poor sensitivity	RF gain/antenna	Adjust RF gain control; verify antenna system performance.
Distorted audio	Volume/AGC settings	Reduce volume; adjust AGC and RF gain settings.
Display issues	Power/connections	Check power supply; ensure all internal connections secure.

Reset: Power cycle unit if abnormal operation occurs.

Service: Contact authorized Kenwood service center for repairs.