1. Introduction
Thank you for choosing the Midland CT590S BLAZE Dual Band VHF/UHF Transceiver. This device is designed for reliable two-way communication across VHF (144-146 MHz) and UHF (430-440 MHz) frequency bands. It features a robust aluminum chassis, an LCD display, and a 1500mAh integrated battery, making it suitable for various communication needs. This manual provides essential information for the proper setup, operation, maintenance, and troubleshooting of your transceiver.
2. Package Contents
Please verify that all items listed below are included in your package:
- Midland CT590S BLAZE Transceiver Unit
- 1500mAh Li-Ion Battery Pack (7.4V)
- Rapid Desktop Charger
- Wall Adapter
- Antenna
- Belt Clip
- Lanyard

3. Product Overview
The Midland CT590S BLAZE is a compact and durable dual-band transceiver. Its design incorporates an easy-to-read LCD display and a user-friendly keypad for efficient operation.
Key Features:
- Dual Band VHF/UHF Operation (144-146 MHz / 430-440 MHz)
- 128 Programmable Memory Channels
- Integrated 1500mAh Li-Ion Battery
- LCD Display with 3-Color Adjustable Backlight
- Built-in FM Radio Receiver (87.5 – 108 MHz)
- 50 CTCSS Tones and 208 DCS Codes for privacy
- ANI-ID and PTT-ID Functions
- Emergency Alarm Function
- Integrated Flashlight
- 1750 Hz Tone for Repeater Access
- Robust Aluminum Chassis


4. Setup
4.1. Battery Installation and Charging
- Install Battery: Align the 1500mAh Li-Ion battery pack with the battery compartment on the back of the transceiver. Slide it into place until it clicks securely.
- Initial Charge: Before first use, fully charge the battery. Connect the wall adapter to the rapid desktop charger, then place the transceiver (with battery installed) into the charging cradle. The charging indicator light will show the charging status. A full charge typically takes several hours.

4.2. Antenna Attachment
Screw the provided antenna clockwise onto the antenna connector at the top of the transceiver until it is finger-tight. Do not overtighten.
4.3. Belt Clip and Lanyard Attachment
Attach the belt clip to the designated slot on the back of the transceiver for convenient carrying. The lanyard can be attached to the loop at the top or side of the radio for added security.
5. Operating Instructions
5.1. Power On/Off and Volume Control
- Power On: Rotate the top-mounted knob clockwise until you hear a click. The LCD display will illuminate.
- Power Off: Rotate the top-mounted knob counter-clockwise until you hear a click.
- Volume Adjustment: After powering on, continue rotating the same knob to adjust the audio volume.
5.2. Channel Selection and Frequency Adjustment
- VFO/MR Mode: Press the VFO/MR button to switch between Frequency Mode (VFO) and Memory Channel Mode (MR).
- Frequency Mode (VFO): In VFO mode, use the up/down arrow keys or the keypad to directly input or scan frequencies.
- Memory Channel Mode (MR): In MR mode, use the up/down arrow keys to cycle through the 128 programmed channels.
- Band Selection: Press the BAND button to switch between VHF and UHF frequency bands.
- A/B Display: Press the A/B button to toggle between the upper (A) and lower (B) frequency displays, allowing monitoring of two frequencies simultaneously.
5.3. Transmitting and Receiving
- Receiving: When the transceiver is powered on and tuned to an active frequency or channel, it will automatically receive incoming transmissions.
- Transmitting: To transmit, press and hold the Push-To-Talk (PTT) button located on the side of the transceiver. Speak clearly into the microphone. Release the PTT button to return to receive mode.
5.4. Advanced Functions
- CTCSS/DCS Tones: These tones allow for selective calling, enabling communication within a specific group. Refer to the full programming guide for detailed setup.
- FM Radio: The transceiver includes an FM radio receiver (87.5 – 108 MHz). Consult the menu options to activate and tune the FM radio.
- Flashlight: Activate the built-in flashlight via the menu or a dedicated side button (if available).
- Emergency Alarm: The emergency alarm function can be activated for distress signaling.
- ANI-ID / PTT-ID: These features allow for the transmission of a unique identifier during communication. Configuration is typically done via programming software.
- LCD Backlight: The LCD backlight can be adjusted to one of three colors, which can be associated with different operational states (e.g., reception, transmission).
6. Programming
The Midland CT590S BLAZE is programmable using the optional PRG-10 programming software. This software allows users to customize various functions, including channel frequencies, channel names, CTCSS/DCS settings, and other operational parameters. For detailed programming instructions, please refer to the PRG-10 software manual.
7. Maintenance
7.1. Cleaning
Wipe the transceiver with a soft, damp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure the device is dry before use or charging.
7.2. Battery Care
- Avoid fully discharging the Li-Ion battery frequently.
- Charge the battery in a cool, dry environment.
- If storing the transceiver for an extended period, charge the battery to approximately 50% capacity and remove it from the unit.
7.3. Storage
Store the transceiver in a cool, dry place away from direct sunlight and extreme temperatures. Keep it free from dust and moisture.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| No power | Battery discharged or improperly installed. | Ensure battery is fully charged and correctly installed. Check power knob. |
| Cannot transmit | Incorrect frequency/channel, low battery, or PTT button issue. | Verify frequency/channel. Charge battery. Ensure PTT button is pressed firmly. |
| Cannot receive | Incorrect frequency/channel, squelch level too high, or antenna issue. | Verify frequency/channel. Adjust squelch level. Check antenna connection. |
| Poor audio quality | Low signal strength, antenna issue, or volume setting. | Move closer to transmitting station. Check antenna. Adjust volume. |
9. Specifications
- Brand: Midland
- Model Number: C1354.02
- Color: Orange Camouflage
- Frequency Range: VHF 144-146 MHz, UHF 430-440 MHz
- Number of Channels: 128
- Battery: 1500mAh Li-Ion (7.4V), rechargeable
- Antenna Impedance: 50 ohms
- Special Features: Emergency Alarm, FM Radio, Flashlight
- Maximum Range: Up to 5 Kilometers (terrain and conditions dependent)
- Water Resistance: Not waterproof
- Compatible Devices: Two-way radios from Midland or those operating on the same frequency bands (VHF and UHF)
- Country of Origin: China
10. Warranty and Support
The Midland CT590S BLAZE transceiver comes with a 2-year manufacturer's warranty. For warranty claims, technical support, or service inquiries, please contact your local Midland dealer or visit the official Midland website. Keep your proof of purchase for warranty validation.







