Malahit tr usdx
Malahit tr usdx Transceiver 5-Band Multimode QRP User Manual
Model: tr usdx
1. Įvadas
The Malahit tr usdx is a compact 5-Band Multimode QRP Transceiver, designed through a collaboration between PE1NNZ and DL2MAN. This manual provides essential information for setting up, operating, and maintaining your device.
The mainboard is version 1.2 and the RF board is version 1.0. This version incorporates mainboard changes to 1.2, while other components remain unchanged.
2. Savybės
- Grupės: Supports 80m, 60m, 40m, 30m, and 20m. Future support for 17m, 15m, 12m, and 10m is planned.
- Režimai: Operates in CW, LSB, USB, AM, and FM modes.
- Kompaktiškas dizainas: Pocket-sized (90x60x30mm, 140g) with an orange 3D-printed case and raised lettering.
- Galia: Typically 5W at 13.8V power supply; can produce 0.5W from a 5V USB supply.
- Ekranas: Equipped with an OLED display.
- Garsas: Includes an onboard microphone and a small onboard speaker.
- PTT raktas: Onboard PTT key can be used as an emergency CW key.
- Ryšys: Features a Micro USB CAT and programming interface.
- Matavimas: Integrated SWR bridge and voltage/current measurement hardware for tuning and operation.
- Maitinimo lizdas: 3.5x1.35 mm.
3. Sąranka ir pirmasis naudojimas
3.1. Įrenginys baigtasview
The Malahit tr usdx transceiver comes pre-assembled in an orange 3D-printed case.

Figure 1: Malahit tr usdx Transceiver with connected cables.
The device features an OLED display, onboard microphone, and speaker. Key controls are located on the front panel.

2 pav.: priekis view of the Malahit tr usdx Transceiver, showing the OLED display, speaker, and control buttons.
The rear panel includes various ports for external connections.

3 pav.: Nugara view of the Malahit tr usdx Transceiver, highlighting connection ports.
Šoninė view showing the power input port.

4 pav.: šonas view of the Malahit tr usdx Transceiver, showing the power input port.
Į viršų view showing the antenna connector and other ports.

5 paveikslas: viršuje view of the Malahit tr usdx Transceiver, showing the antenna connector and other ports.
3.2. Bootloader and Firmware
The mainboard comes with the bootloader pre-installed and firmware programmed. The serial number is provided on a label inside the product packaging.
The serial number will not be displayed on the OLED screen as the bootloader is already finished.
If the serial number sticker is lost, you can enter eighteen '0' digits (000000000000000000) during programming to retrieve the original serial number.
3.3. Programming Your Call Sign or Reprogramming Firmware
To program your call sign or upgrade/reprogram the firmware, follow these steps:
- Atsisiųsti programinę aparatinę įrangą: Obtain the latest firmware from DL2MAN's official page.
- Serijos numeris: Enter the serial number (found in the package) to download the firmware.
- Įdiekite tvarkykles ir programinę įrangą:
- Install the USB Driver for the CH340.
- Install AVR-Dudess software. If installation issues occur, try another computer.
- Prijunkite įrenginį: Restart your computer. Connect the mainboard to your computer using a USB cable. A "ding-dong" sound indicates successful CH340 driver installation. If no sound, ensure the USB cable supports data transmission; try a different cable if necessary.
- Program Firmware: Open AVR-Dudess software. Configure the software as instructed in the package (refer to the circled positions in the provided images, if available). The assigned COM-Port will be visible in Windows Device Manager.
3.4. Atkūrimo funkcija
Norėdami atlikti atstatymą:
- Hold down the encoder button without releasing it.
- While holding the encoder, turn on the power.
- Once "restart" is displayed on the OLED, release the encoder button.
4. Siųstuvo-imtuvo valdymas
The Malahit tr usdx is designed for ease of use in a compact form factor.
4.1. Power Output Testing
The transceiver's power output can be configured. It typically delivers 5W at 13.8V and 0.5W when powered solely by 5V USB.
Video 1: Demonstrates power output testing of a similar transceiver, showing 5W and 10W settings across various bands (160m, 80m, 40m, 30m, 20m, 17m, 15m, 12m, 10m, 6m).
4.2. General Operation and Connectivity
The transceiver supports various modes and bands, making it versatile for amateur radio enthusiasts.
2 vaizdo įrašas: Viršview of the USDX USDR HF QRP SDR Receiver SSB CW QRP Transceiver, demonstrating its compact size and basic functions.
5. Problemų sprendimas
5.1. Audio Settings and Device Detection
Proper audio setup is crucial for digital modes and general operation. Ensure your computer correctly detects the transceiver as a sound device.
Video 3: Guide on configuring audio settings and troubleshooting device detection for a digital modes interface, applicable to USB audio devices like the tr usdx.
5.2. Serial Port and Attenuator Configuration
For advanced users or specific radio setups, configuring the serial port and attenuator may be necessary.
Video 4: Detailed instructions on modifying a digital interface for serial port and attenuator settings, relevant for customizing the tr usdx for different radio models.
6. Specifikacijos
| Atributas | Vertė |
|---|---|
| Gaminio matmenys | 4 x 2 x 2 colio |
| Prekės svoris | 8.1 uncijos |
| Prekės ženklas | Malahit |
| Spalva | Oranžinė |
| Kanalų skaičius | 2 |
| Varža | 50 omai |
| Didžiausias diapazonas | 1000 metrai |
| Prekių skaičius | 5 |
7. Priežiūra
Regular maintenance ensures optimal performance and longevity of your Malahit tr usdx transceiver.
- Firmware atnaujinimai: Periodically check DL2MAN's official page for new firmware versions to access new features or performance improvements. Follow the programming instructions carefully.
- Valymas: Keep the device clean and free from dust and debris. Use a soft, dry cloth for cleaning the exterior. Avoid using harsh chemicals or abrasive materials.
- Saugykla: Store the transceiver in a cool, dry place away from direct sunlight and extreme temperatures when not in use.
- Akumuliatoriaus priežiūra: If using an external battery, ensure it is charged and maintained according to its manufacturer's guidelines. The device does not include an internal battery case.
8. Garantija ir palaikymas
For warranty information, please refer to the terms and conditions provided at the point of purchase or contact Malahit customer support directly.
For technical support or further inquiries, please consult the official product documentation or community forums related to PE1NNZ and DL2MAN designs.
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