ASHATA uSDR uSDX v2 8 Band Radio Transceiver User Manual

1. Introduction

This manual provides essential information for the safe and efficient operation of your ASHATA uSDR uSDX v2 8 Band Radio Transceiver. Please read this manual thoroughly before using the device and retain it for future reference. This transceiver is designed for amateur radio enthusiasts, offering full mode operation across 8 bands: 80m, 60m, 40m, 30m, 20m, 17m, 15m, and 10m.

2. Safety Information

• Power Supply: Use only the specified power supply (13.8V, 1.5A MAX) to prevent damage to the device.
• Antenna Connection: Always connect a suitable antenna before transmitting to avoid damage to the transceiver's final amplifier.
• Water Resistance: The device is water-resistant, but not waterproof. Avoid submerging it in water or exposing it to heavy rain.
• Ventilation: Ensure adequate ventilation around the device during operation to prevent overheating.
• Disassembly: Do not attempt to disassemble or modify the transceiver. This may void the warranty and cause damage.

3. Package Contents

Verify that all items are present in the package:

• ASHATA uSDR uSDX v2 Mobile Transceiver
• Microphone
• Instruction Book (this manual)

4. Product Overview

The ASHATA uSDR uSDX v2 is a compact and efficient HF SSB QRP transceiver. It features an 8-band coverage and a rich interface for various amateur radio applications.

Key Features:

• 8 Band Coverage: Supports 80m, 60m, 40m, 30m, 20m, 17m, 15m, 10m bands.
• High Launch Efficiency: Over 85% efficiency on 80m-20m bands, over 80% on 17m-15m, and over 70% on 10m.
• Output Power: Up to 3-5W across all 8 bands.
• Frequency Stability: High accuracy KDS brand TCXO with frequency accuracy better than 1PPM and stability of 0.5PPM.
• Rich Interface: Includes CAT, PTT OUT, MIC, KEY, and K-head hand microphone ports.
• Internal Components: LPF part uses 100V C0G NP0 capacitors, genuine magnetic hold relay, LM4562 or LM833 op amp chip.
• Built-in Speaker: Features a built-in speaker with a cavity for clear audio.
• Antenna Interface: BNC type antenna connector.

Front Panel Controls and Display:

The front panel includes a display screen, MENU button, HP (headphone) jack, KEY/MIC jack, MODE button, and a rotary encoder for tuning and selection.

Figure 4.1: Front view of the ASHATA uSDR uSDX v2 Transceiver, highlighting the display, MENU, HP, KEY/MIC, MODE buttons, and the rotary encoder.

Rear Panel Connections:

The rear panel provides connections for power, antenna, and other accessories.

Figure 4.2: Rear view of the ASHATA uSDR uSDX v2 Transceiver, detailing the power input (DC 13.8V), charge port, CAT port, PTT OUT, and the BNC antenna connector.

5. Setup

Follow these steps to set up your ASHATA uSDR uSDX v2 Transceiver:

1. Connect Power: Connect the provided power adapter to the DC 13.8V input on the rear panel. Ensure the power source is stable and within the specified voltage range.
2. Connect Microphone: Plug the K-head hand microphone into the KEY/MIC jack on the front panel.
3. Connect Antenna: Attach a suitable BNC antenna to the ANT connector on the rear panel. Ensure the antenna is properly tuned for the desired operating band.
4. Power On: Locate the power switch (often a toggle or button near the power input) and turn the device on. The display should illuminate.

6. Operating Instructions

6.1 Basic Operation

• Power On/Off: Use the power switch on the rear panel to turn the transceiver on or off.
• Frequency Tuning: Rotate the large knob on the right side of the front panel to adjust the operating frequency.
• Mode Selection: Press the 'MODE' button to cycle through available operating modes (e.g., USB, LSB, CW, AM, FM). The current mode will be displayed on the screen.
• Menu Access: Press the 'MENU' button to access the device settings and configurations. Use the rotary encoder to navigate and select options.
• Transmit (PTT): Press the Push-To-Talk (PTT) button on the connected microphone to transmit. Release to receive.

6.2 Band Selection

The transceiver automatically selects the appropriate band based on the tuned frequency. Ensure your antenna is suitable for the selected band.

Figure 6.2: Front view of the transceiver, illustrating its 8-band coverage capabilities including 80m, 60m, 40m, 30m, 20m, 17m, 15m, and 10m.

7. Maintenance

• Cleaning: Use a soft, dry cloth to clean the exterior of the transceiver. Do not use abrasive cleaners or solvents.
• Storage: When not in use for extended periods, store the transceiver in a cool, dry place, away from direct sunlight and extreme temperatures.
• Battery Care: If the unit has an internal battery (not explicitly stated but implied by 'charge' port), ensure it is charged periodically to maintain battery health.

8. Troubleshooting

If you encounter issues with your transceiver, refer to the following common problems and solutions:

If the problem persists after attempting these solutions, please contact customer support.

9. Specifications

The following are the technical specifications for the ASHATA uSDR uSDX v2 Transceiver:

• Model Number: uSDX v2
• Brand: ASHATA
• Item Weight: 15.1 ounces
• Package Dimensions: 6.69 x 5.12 x 3.15 inches
• Number of Channels: 200
• Special Feature: Magnetic
• Frequency Range: 20kHz - 99MHz (Operating bands: 80m, 60m, 40m, 30m, 20m, 17m, 15m, 10m)
• Talking Range Maximum: 32.8 Feet (Note: This refers to local communication range, not HF propagation)
• Voltage: 12 Volts (DC)
• Water Resistance Level: Water Resistant
• Included Components: Mobile Transceiver, Microphone, Instruction Book
• Compatible Devices: Two-way radios on 80m, 60m, 40m, 30m, 20m, 17m, 15m, 10m bands, Computers with CAT software, Compatible headsets or external microphones.

10. Warranty and Support

This product comes with a standard manufacturer's warranty. For specific warranty details, please refer to the documentation provided at the time of purchase or contact your retailer. For technical support, troubleshooting assistance, or service inquiries, please contact ASHATA customer service through their official channels.