1. Introduction
This manual provides detailed instructions for the proper setup, operation, and maintenance of your ICOM IC-R8600-02 Software Defined Receiver. The IC-R8600-02 is a high-performance communication receiver designed for a wide range of applications, from amateur radio enthusiasts to professional signal intelligence. It covers a broad frequency range from 10 kHz to 3 GHz and supports various analog and digital communication modes.
To ensure safe and optimal performance, please read this manual thoroughly before using the receiver and keep it for future reference.
2. Setup
2.1 Unpacking and Inspection
Carefully remove the IC-R8600-02 receiver from its packaging. Inspect the unit for any signs of damage that may have occurred during shipping. Retain the packaging materials for future transport or storage.
2.2 Antenna Connection
The IC-R8600-02 features multiple antenna input ports to accommodate various antenna types and frequency ranges:
- ANT 1 (0.01–3000 MHz): Type-N connector (50 Ω impedance). This is the primary antenna input for wideband reception.
- ANT 2 (0.01–30 MHz): PL-259 connector (50 Ω impedance). Suitable for HF band antennas.
- ANT 3 (0.01–30 MHz): RCA connector (500 Ω impedance). Designed for specific HF antenna configurations.
Connect your chosen antenna securely to the appropriate port. Ensure all connections are tight to prevent signal loss and interference.
2.3 Power Connection
Connect the supplied DC power cable to the DC IN jack on the rear panel of the receiver. Connect the other end of the power cable to a suitable power source (e.g., a 13.8V DC power supply). Ensure the power supply can provide sufficient current for the receiver's operation.
2.4 Initial Power On
After connecting the antenna and power, press the POWER button located on the front panel to turn on the receiver. The display will illuminate, and the unit will perform a self-test before entering operational mode.

Front view of the ICOM IC-R8600-02 receiver, showing the large color display, tuning dials, and various control buttons for power, mode selection, scanning, and memory functions.
3. Operating Instructions
3.1 Basic Controls
Familiarize yourself with the main controls on the front panel:
- POWER: Turns the receiver on or off.
- DIAL A, DIAL B, DIAL C: Multi-function rotary encoders for tuning, menu navigation, and parameter adjustment.
- MENU: Accesses the main menu for system settings.
- FUNCTION: Activates secondary functions of buttons.
- M.SCOPE: Activates the spectrum scope display.
- QUICK: Provides quick access to frequently used functions.
- EXIT: Exits current menu or function.
- M-CH DIAL: Used for memory channel selection.
- RECEIVE: Toggles reception on/off.
- LOCK: Locks the current frequency and settings to prevent accidental changes.
- SCAN: Initiates scanning operations.
- PRIO: Activates priority scan.
- V/M (VFO/Memory): Switches between VFO (Variable Frequency Oscillator) and Memory modes.
- GRP (Group): Selects memory groups.
- MW (Memory Write): Stores current frequency and settings into a memory channel.
- TIMER: Sets timer functions.
- PHONES: Connects headphones for private listening.
3.2 Frequency Tuning
To tune to a desired frequency, use the main tuning dials (DIAL A, DIAL B, DIAL C). The step size can typically be adjusted through the menu or by pressing specific function buttons. Direct frequency entry may also be available via the on-screen keypad or external keyboard (if connected).
3.3 Mode Selection
The IC-R8600-02 supports a wide array of reception modes. These include analog modes such as USB, LSB, FSK, CW, AM, S-AM, FM, and WFM. Digital communication signals like P25, NXDN, and D-STAR can also be decoded. Select the appropriate mode for the signal you wish to receive using the dedicated mode buttons or through the menu system.
3.4 Memory Channels
The receiver can store up to 2000 memory channels, organized into 100 groups. Additionally, it supports 100 scan skip channels and 50 pairs of scan edges. To store a frequency, tune to the desired frequency and mode, then press the MW button and follow the on-screen prompts to select a memory channel and group. To recall, switch to Memory mode using V/M and use the M-CH DIAL or GRP button.
3.5 Scanning Operations
The SCAN button initiates various scanning functions, such as program scan, memory scan, and priority scan. Refer to the on-screen menu for detailed scan settings, including scan speed, resume conditions, and skip frequencies.
3.6 Spectrum Scope
The integrated spectrum scope allows you to visually monitor activity across a selected frequency range. Press the M.SCOPE button to activate the spectrum display. You can adjust the span, center frequency, and other parameters to optimize your view of the radio spectrum.
4. Maintenance
4.1 Cleaning
To maintain the appearance and functionality of your receiver, regularly clean the exterior with a soft, dry cloth. For stubborn dirt, a slightly damp cloth with mild detergent can be used, followed by a dry cloth. Avoid using abrasive cleaners, solvents, or alcohol, as these can damage the finish and display.
4.2 Software Updates
As a Software Defined Receiver, the IC-R8600-02 may receive firmware updates to improve performance, add features, or address issues. Periodically check the official ICOM website for available updates and follow the provided instructions carefully for installation.
5. Troubleshooting
If you encounter issues with your IC-R8600-02, please refer to the following common troubleshooting steps before contacting support:
- No Power: Ensure the power cable is securely connected to both the receiver and the power source. Verify the power supply is functioning correctly.
- No Reception: Check all antenna connections. Ensure the correct antenna port is selected for the frequency range. Verify the squelch level is not set too high.
- Distorted Audio: Check the audio output settings and volume level. Ensure the correct mode is selected for the received signal.
- Controls Unresponsive: Check if the LOCK function is active. If so, press LOCK again to unlock the controls.
For persistent issues, consult the comprehensive troubleshooting guide available on the ICOM support website or contact ICOM customer service.
6. Specifications
Key technical specifications for the ICOM IC-R8600-02 Software Defined Receiver:
| Feature | Specification |
|---|---|
| Receive Range | 10 kHz – 3 GHz |
| Supported Modes | USB, LSB, FSK, CW, AM, S-AM, FM, WFM, P25, NXDN, D-STAR |
| Memory Channels | 2000 (with 100 groups, 100 scan skip channels, 50 scan edges) |
| Antenna Connectors | ANT 1: Type-N (50 Ω), ANT 2: PL-259 (50 Ω), ANT 3: RCA (500 Ω) |
| Connectivity | RCA, USB |
| Special Features | FM Tuner, Spectrum Scope |
| Manufacturer | ICOM |
| Model Number | IC-R8600-02 |
7. Warranty and Support
The ICOM IC-R8600-02 is manufactured by ICOM. For detailed information regarding product warranty, technical support, and service, please visit the official ICOM website. You can find additional resources and contact information at the ICOM America Store or the main ICOM support portal.
Always ensure you are referring to the latest documentation and support information provided by the manufacturer.





