Kenwood NX 220 Manual

The Kenwood NX 220 is a professional digital two-way radio designed for business and commercial use. This VHF/UHF portable radio features digital/analog operation, robust construction, programmable channels, emergency functions, and advanced communication capabilities. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Digital/Analog operation, LCD display, programmable buttons, emergency alert, built-in speaker/microphone, charging contacts.

Feature	Description
Frequency Range	VHF: 136-174 MHz / UHF: 400-470 MHz
Channels	Up to 128 programmable channels
Display	Backlit LCD with channel info
Battery	Li-ion battery pack
Power Output	Up to 5W (adjustable)
Emergency Alert	Programmable emergency function
Scan Function	Programmable scan modes
Encryption	Basic scrambling capability
IP Rating	IP54/55 dust and water resistant
Programming	KPG-111D/KPG-112D software

Installation

Unpack and inspect contents. Install battery and accessories.

1. Battery installation: Align battery contacts, slide until it clicks into place.
2. Antenna attachment: Screw antenna clockwise until secure.
3. Belt clip: Attach to rear of radio if required.
4. Charging: Place in charger with contacts aligned.

WARNING! Use only Kenwood-approved batteries and accessories. Do not force connections.

First-Time Setup

Power on radio; configure basic settings.

1. Power on: Rotate volume knob clockwise; press power button.
2. Channel selection: Use channel selector knob or up/down buttons.
3. Squelch adjustment: Set squelch level to eliminate background noise.
4. Volume control: Adjust volume knob for comfortable listening level.
5. Display settings: Configure backlight and contrast if needed.

CAUTION! Ensure proper antenna is installed before transmitting.

Specifications

• Frequency Range: VHF 136-174 MHz / UHF 400-470 MHz
• Channels: 128 maximum programmable
• Power Output: 1W/5W (VHF), 1W/4W (UHF)
• Battery Life: Up to 12 hours (typical use)
• Operating Temp: -30°C to +60°C
• Dimensions: 58(W) x 130(H) x 37(D) mm
• Weight: Approx. 380g (with battery)
• Modulation: 16KΦF3E / 11KΦF3E
• IP Rating: IP54/55

Controls and Settings

Front Panel: Power/Volume knob, Channel selector, PTT button, Programmable buttons, LCD display.

Side Controls: Accessory connector, Speaker/microphone, Battery release.

Display Information: Channel number, Battery level, Transmit indicator, Scan status. Programmable Functions: Monitor, Scan, Emergency, Power level, Squelch. Audio Settings: Volume, Tone, Monitor level. System Settings: Time-out timer, Busy channel lockout.

Connecting Devices

Accessories: Speaker microphone, Headset, Programming cable, Charger.

1. Turn off radio before connecting accessories.
2. Align accessory connector pins carefully.
3. Secure connections to prevent damage.
4. For programming: Connect KPG-22/46 cable to PC and radio.

Tip: Use only Kenwood-approved accessories for optimal performance.

Programming and Operation

Requires KPG-111D/KPG-112D programming software.

1. Install programming software on PC.
2. Connect radio to PC using programming cable.
3. Read current configuration from radio.
4. Program channels, frequencies, and functions.
5. Write configuration back to radio.
6. Basic operation: Select channel, press PTT to transmit, release to receive.
7. Scan operation: Enable scan to monitor multiple channels.
8. Emergency: Programmable emergency alert function.

WARNING! Only qualified personnel should program radios. Follow local regulations.

Safety Features

Emergency Alert: Programmable emergency transmission. Lone Worker: Automatic check-in feature. Man Down: Detection of unusual position. Busy Channel Lockout: Prevents transmission on occupied channels.

Care & Maintenance

Clean with dry cloth only. Avoid chemicals and solvents. Regular battery charging. Periodic inspection of antenna and connectors.

CAUTION! Do not immerse in water. Keep away from extreme temperatures.

Regulatory Information

FCC Part 90 certified for land mobile radio service. Complies with relevant ETSI standards. This device must accept any interference received. For support, contact Kenwood authorized service centers or visit www.kenwood.com.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No power	Battery depleted/defective	Charge battery; check connections; replace if necessary.
No transmission	PTT/antenna/programming	Check PTT function; ensure antenna secure; verify programming.
Poor reception	Antenna/location	Check antenna connection; move to better location.
No audio	Volume/speaker	Adjust volume; check speaker; test with accessory.
Programming failure	Cable/software	Check cable connection; verify software version; restart process.

Reset: Software reset through programming interface if available.

Service: Contact authorized Kenwood service center for repairs.