ASHATA 500mW FM Transmitter with LCD Screen

1. Introducció

This manual provides instructions for the ASHATA 500mW FM Transmitter, Model ASHATAim8udo3s0x. This device functions as a compact FM radio station, converting audio input into an FM high-frequency signal for transmission via an antenna. The signal can then be received by any standard FM radio receiver in the surrounding area.

Key features include an adjustable frequency range of 76-108MHz, a clear LCD display, and a USB Type-C power input. The transmitter is designed for ease of use and reliable performance.

2. Què hi ha a la caixa

Verifiqueu que tots els elements siguin presents al paquet:

• 1 x ASHATA 500mW FM Transmitter
• 1 x SMA Antenna
• 1 x 3.5mm Audio Cable (male to male)
• 1 x cable d'alimentació USB tipus C

Image: The ASHATA 500mW FM Transmitter shown with its accompanying SMA antenna, 3.5mm audio cable, and USB Type-C power cable.

3. Característiques del producte

• Freqüència de sortida: Adjustable working range of 76-108MHz. Frequency steps can be set to 1MHz or 0.1MHz, providing 320 total transmitting frequencies. Includes a memory function to retain settings.
• Pantalla LCD: Features a clear LCD screen that displays the current operating frequency.
• Font d'alimentació: Operates on a 5V DC power supply via a USB Type-C interface. Current consumption is approximately 500mA.
• Entrada d'àudio: Standard 3.5mm stereo sound input connector.
• Interval de transmissió: Capable of transmitting up to 2000 meters (approximately 2 kilometers) in open field conditions.

Image: The FM Transmitter with an overlay indicating its adjustable frequency, operating range, step size, and memory function.

4. Configuració

1. Connectar l'antena: Screw the provided SMA antenna securely into the antenna port on the transmitter. Ensure a firm connection for optimal signal transmission.
2. Connecta la font d'àudio: Use the 3.5mm audio cable to connect your audio source (e.g., smartphone, MP3 player, computer) to the 3.5mm audio input jack on the transmitter. Nota: The transmitter cannot directly accept microphone input. If using a microphone, it must be connected through an external microphone amplifier before connecting to the transmitter.
3. Connectar l'alimentació: Connect the USB Type-C power cable to the USB Type-C port on the transmitter and then to a 5V DC power source (e.g., a USB wall adapter, power bank, or computer USB port). The device will power on automatically.

Imatge: Detallada view of the transmitter's connection ports, including the antenna, USB-C power, and audio input.

5. Instruccions de funcionament

1. Encès: Once connected to a 5V USB Type-C power source, the transmitter will power on, and the LCD screen will display the current operating frequency.
2. Ajust de freqüència:
   • Utilitza el "AMUNT" button to increase the frequency.
   • Utilitza el "DW" (Down) button to decrease the frequency.
   • El "RES" button (often labeled as "Step" or "Reset") may be used to change the frequency step size (1MHz or 0.1MHz) or to reset settings. Refer to the on-screen display for confirmation of step size.
3. Set Audio Source Volume: Ensure the volume on your connected audio source is set to an appropriate level. Too low a volume may result in a weak signal, while too high a volume may cause distortion.
4. Tune Receiver: On your ordinary FM radio receiver, tune to the exact frequency displayed on the transmitter's LCD screen.
5. Verifica la recepció: Once your receiver is tuned to the correct frequency, you should hear the audio from your connected source. Adjust the transmitter's frequency or the receiver's position if reception is unclear.

Image: The control buttons (UP, DW, RES) and LCD screen on the ASHATA FM Transmitter.

6. Manteniment

• Neteja: Use a soft, dry cloth to clean the exterior of the transmitter. Avoid using liquid cleaners or solvents, as these can damage the device.
• Emmagatzematge: Guardeu el transmissor en un lloc fresc i sec, allunyat de la llum solar directa i de temperatures extremes.
• Manipulació: Manipuleu el dispositiu amb cura per evitar danys físics. Eviteu deixar-lo caure ni sotmetre'l a impactes forts.
• Cura de l'antena: Ensure the antenna is not bent or damaged, as this can affect transmission quality.

7. Solució De Problemes

• Sense alimentació/pantalla:
  • Ensure the USB Type-C power cable is securely connected to both the transmitter and a functional 5V power source.
  • Proveu un cable USB o un adaptador d'alimentació diferent.
• No Audio/Weak Signal:
  • Verify that the 3.5mm audio cable is firmly connected to both the transmitter and the audio source.
  • Check the volume level on your audio source; increase it if it's too low.
  • Ensure your FM radio receiver is tuned to the exact frequency displayed on the transmitter.
  • Check the antenna connection on the transmitter.
  • Move the transmitter and receiver closer together, or adjust their positions to minimize interference.
• Àudio distorsionat:
  • Reduce the volume level on your audio source.
  • Ensure the transmitter and receiver are not too close, which can cause signal overload.
  • Check for strong local radio stations on the same or adjacent frequencies and try a different frequency for the transmitter.
• Interval limitat:
  • Ensure the antenna is fully extended and positioned vertically.
  • Obstacles like walls, buildings, and dense foliage can significantly reduce transmission range. Try to operate in a more open environment.
  • Ensure the transmitter is not placed near other electronic devices that may cause interference.

8. Especificacions

9. Garantia i Suport

For product support, troubleshooting assistance, or warranty inquiries, please visit the official ASHATA store on Amazon or contact the seller directly through your Amazon order history.

ASHATA Store Link: https://www.amazon.com/stores/ASHATA/page/07B17FA8-992A-44A0-8F2E-B6A29E3207A3