Kenwood NX 340 Manual

The Kenwood NX 340 is a professional digital two-way radio designed for commercial and industrial use, featuring digital/analog operation, 256 channels, IP55/54 dust and water protection, MIL-STD 810 C/D/E/F/G compliance for durability, 5W UHF output power, large LCD display, programmable buttons, built-in voice scrambler, and wide frequency coverage. Below are key sections for safety, features, installation, setup, 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 Modes 8. Programming Features 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Digital/Analog operation, Large LCD display, Programmable buttons, Built-in scrambler, MIL-STD rugged design.

FeatureDescription
Digital/Analog OperationSupports both digital and analog communication modes
Channel Capacity256 channels for flexible frequency management
Output Power5W UHF (programmable to lower levels)
IP RatingIP55/54 for dust and water resistance
MIL-STD ComplianceMeets military standards for durability and reliability
LCD DisplayLarge backlit display with channel and status information
Programmable ButtonsCustomizable function buttons for quick access
Voice ScramblerBuilt-in privacy feature for secure communications
Battery LifeExtended operation with high-capacity battery
Accessory PortFor headsets, speakers, and other accessories

Installation

Unpack and inspect contents. Install battery and antenna.

  1. Install battery: Align battery with radio contacts, slide until it clicks into place.
  2. Attach antenna: Screw antenna clockwise onto antenna connector until secure.
  3. Charge battery: Connect charger to radio and AC power source for initial charge.
  4. Install accessories: Attach belt clip or other accessories as needed.

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 and hold power button.
  2. Select channel: Use channel selector knob or up/down buttons.
  3. Set squelch: Adjust squelch level to eliminate background noise.
  4. Configure display: Set contrast and backlight timing in menu.
  5. Program channels: Use programming software to set frequencies and functions.

CAUTION! Ensure proper antenna is installed before transmitting.

Specifications

Controls and Settings

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

Side Buttons: Monitor, SCAN, Emergency, Function keys.

Menu Settings: Channel programming, Display settings, Audio settings, Scan configuration, Privacy settings, Power settings, Button programming, System configuration.

Connecting Accessories

Accessory port for headsets, speakers, programming cables.

  1. Turn off radio before connecting accessories.
  2. Align accessory connector with radio port.
  3. Push firmly until click is heard.
  4. For programming: Connect programming cable to PC and radio.

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

Operating Modes

Supports digital and analog operation with various features.

  1. Digital Mode: Press MODE button to select digital operation.
  2. Analog Mode: Press MODE button to select analog operation.
  3. Channel Selection: Rotate channel knob or use up/down buttons.
  4. Transmit: Press and hold PTT button; speak clearly into microphone.
  5. Receive: Release PTT button to listen; adjust volume as needed.
  6. Scan: Press SCAN button to activate channel scanning.
  7. Emergency: Press and hold emergency button for emergency mode.
  8. Monitor: Press monitor button to open squelch and check for activity.

WARNING! Only transmit on authorized frequencies with proper license.

Programming Features

Advanced programming via KPG-169D software. Features: Channel programming, Scan lists, Privacy settings, Button assignments, Text messages, GPS settings, Emergency configurations.

Care & Maintenance

Clean with dry cloth only; avoid liquids and solvents. Regular battery charging and inspection.

CAUTION! Do not immerse in water; avoid extreme temperatures and impacts.

Regulatory Information

FCC Part 90 certified for land mobile radio service. Complies with relevant national and international standards. Copyright © Kenwood Corporation. For support, visit www.kenwood.com or contact authorized Kenwood dealer.

Troubleshooting

SymptomPossible CauseCorrective Action
No powerBattery/connectionsCheck battery charge; ensure proper installation; try different battery.
No transmissionPTT/antennaCheck PTT button; ensure antenna properly installed; verify channel programming.
Poor receptionAntenna/locationCheck antenna connection; move to better location; adjust squelch.
Display issuesSettings/batteryAdjust contrast; check battery level; reset to factory defaults.
Charging problemsCharger/contactsCheck charger connection; clean battery contacts; try different charger.

Reset: Menu > System > Reset to factory defaults.

Service: Contact authorized Kenwood service center; www.kenwood.com

Kenwood NX 340 Manual © - All Rights Reserved 2025