Kenwood 570D Manual

The Kenwood 570D is a high-performance amateur radio transceiver featuring advanced DSP technology, wide frequency coverage, multiple operating modes, and robust construction. This manual covers essential information for proper operation, including safety guidelines, technical specifications, installation procedures, operating instructions, and maintenance guidelines.

Features at a Glance

Key components: Main transceiver unit, microphone, power cable, mounting brackets, and user manual.

Feature	Description
Frequency Range	1.8-30 MHz (amateur bands)
Operating Modes	SSB, CW, AM, FM, Digital
Output Power	100W (adjustable)
DSP Technology	Advanced digital signal processing
Memory Channels	99 programmable memories
Antenna Connector	SO-239 type
Power Requirements	13.8V DC, 20A
Display	Multi-function LCD
Audio Output	Internal speaker and external jack
Computer Interface	USB and RS-232 ports

Installation

Proper installation ensures optimal performance and safety.

1. Select location: Choose well-ventilated area with adequate space for operation and cooling.
2. Mounting: Use provided brackets for secure mounting if required.
3. Power connection: Connect to 13.8V DC power supply with proper polarity.
4. Antenna connection: Connect antenna to SO-239 connector using appropriate coaxial cable.
5. Accessory connections: Connect microphone, speaker, and other accessories.

WARNING! Ensure proper grounding and use appropriate fuses. Do not operate near flammable materials.

First-Time Setup

Initial configuration for basic operation.

1. Power on: Connect power and turn on main power switch.
2. Frequency selection: Use main tuning knob to select desired frequency.
3. Mode selection: Press MODE button to select operating mode (SSB, CW, AM, FM).
4. Audio adjustment: Set volume and squelch controls.
5. Memory programming: Store frequently used frequencies in memory channels.

CAUTION! Verify antenna connection before transmitting to prevent damage.

Specifications

• Frequency Coverage: 1.8-30 MHz (amateur bands only)
• Modes: LSB, USB, CW, AM, FM, Digital
• Power Output: 5-100W adjustable
• Sensitivity: Better than 0.25μV for 10dB S+N/N
• Selectivity: Variable DSP filtering
• Power Supply: 13.8V DC ±15%, 20A max
• Dimensions: 240W × 100H × 290D mm
• Weight: 3.8 kg
• Operating Temperature: -10°C to +50°C
• Interface: USB, RS-232, ACC

Controls and Settings

Front panel controls and menu settings for complete operation.

Main Controls: Power switch, Volume, Squelch, RF Gain, Main Tuning, Mode selection, Function keys.

Menu Settings: DSP filters, Noise reduction, AGC settings, VOX control, Memory management, Display options, CW settings, Digital mode configuration. Use FUNCTION button to access secondary functions and menu system.

Connecting Accessories

Proper connection of external devices and accessories.

1. Microphone: Connect to MIC jack on front panel.
2. External speaker: Connect to SP jack on rear panel.
3. Computer: Connect via USB or RS-232 for digital mode operation.
4. Antenna tuner: Connect between transceiver and antenna if required.
5. Power amplifier: Follow manufacturer's instructions for proper interfacing.

Tip: Always power off unit before connecting or disconnecting accessories.

Operating Modes

Detailed operation for each available mode.

1. SSB Operation: Select LSB or USB mode, adjust clarifier if needed.
2. CW Operation: Set CW mode, adjust keyer speed and side tone.
3. AM Operation: Select AM mode for broadcast reception.
4. FM Operation: Use for local VHF communication where available.
5. Digital Modes: Connect computer for PSK31, RTTY, JT65 operation.
6. Memory Operation: Recall stored frequencies and settings.
7. Scan Operation: Automatic frequency scanning with programmable limits.

WARNING! Ensure you have appropriate license for intended operating mode and frequency.

Advanced Functions

Advanced features for experienced operators.

DSP Filtering: Adjustable bandwidth and shape for each mode. Noise Reduction: DSP-based noise reduction for improved reception. VOX Operation: Voice-operated transmit switching. Memory Channels: 99 memories with complete mode and filter settings. Sub Receiver: Independent receiver operation on split frequencies. IF Shift: Adjust IF frequency to eliminate interference.

Care & Maintenance

Routine maintenance for long-term reliability.

Clean exterior with dry soft cloth only. Keep ventilation openings clear. Check connections periodically for corrosion. Store in dry environment when not in use. Have unit serviced by qualified technician every 2-3 years.

CAUTION! Do not use chemical cleaners or spray liquids on unit. Disconnect power before cleaning.

Regulatory Information

FCC Part 97: Complies with amateur radio service rules. This device must accept any interference received. Operation subject to condition that device does not cause harmful interference. Certified for amateur radio use only. For technical support, contact Kenwood authorized service centers.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Power connection	Check power cable and fuse; verify 13.8V supply
No transmission	Microphone/PTT	Check microphone connection; verify PTT operation
Poor reception	Antenna/tuning	Verify antenna connection; check antenna tuner settings
Overheating	Ventilation	Ensure adequate ventilation; reduce power output
Display issues	Connections	Check ribbon cables; reset unit to factory defaults

Reset: Hold FUNCTION + POWER during startup for factory reset.

Service: Contact authorized Kenwood service center for repairs.