1. Úvod
This manual provides detailed instructions for the setup, operation, and maintenance of your FM Transmitter. Please read this manual thoroughly before use to ensure optimal performance and safety. This device is designed for broadcasting audio signals over FM frequencies, suitable for various applications such as parking lot broadcasts, events, or personal use.
2. Obsah balení
Ověřte, zda jsou v balení obsaženy všechny níže uvedené položky:
- 1x FM Transmitter Unit
- 1x Telescopic FM Transmitting Antenna
- 1x 3.5mm Audio Input Cable
- 1x USB Type-C Power Cable
3. Konec produktuview
The FM Transmitter is a compact, black rectangular unit featuring an LCD display and control buttons. It is designed for easy setup and operation.
3.1. Součásti
- Hlavní jednotka: Houses the electronics, display, and controls.
- LCD displej: Shows the current transmitting frequency.
- Ovládací tlačítka:
- DW (Down): Decreases frequency.
- UP (Up): Increases frequency.
- Krok: Adjusts frequency step (e.g., 1MHz or 0.1MHz).
- RES (Reset): Resetuje nastavení.
- Anténní konektor: For attaching the telescopic antenna.
- 3.5 mm audio vstup: Standard stereo audio input port.
- Port USB Type-C: For 5V power supply.
- Kontrolka: A red LED light indicates operation status.
4. Specifikace
| Funkce | Specifikace |
|---|---|
| Výstupní frekvence | Adjustable, 76~108MHz (1MHz or 0.1MHz step), 320 transmitting frequencies, with memory function. |
| Výstupní výkon | 10~500mW (0.01~0.5W) @ 88-108MHz |
| Přijímací zařízení | Ordinary FM radio capable of receiving FM broadcasts. |
| Režim zobrazení | LCD display (shows current transmitting frequency). |
| Maximální přenosová vzdálenost | Up to 2000 meters (in open areas). |
| Supply Voltage | 5V via USB Type-C |
| Napájecí proud | 500 mA |
| Vstupní signál | Audio stereo, 3.5mm interface standard |
| Poměr signálu k šumu (SNR) | 63dB 0.05% THD |
| Materiál | Plast |
| Barva | Černý |
| Rozměry balení (D x Š x V) | 38 cm x 10 cm x 8 cm |
| Hmotnost balení | 0.143 kg |
5. Nastavení
Follow these steps to set up your FM Transmitter:
- Připojení antény: Screw the telescopic FM transmitting antenna securely into the antenna connector on the top of the transmitter unit. Extend the antenna fully for optimal performance.
- Připojení zdroje zvuku: Plug one end of the 3.5mm audio cable into the audio input port on the transmitter. Connect the other end to your audio source (e.g., smartphone, MP3 player, computer).
- Připojte napájení: Plug the USB Type-C power cable into the Type-C port on the transmitter. Connect the other end to a 5V USB power adapter (not included) or a compatible USB port. The device will power on automatically.
6. Návod k obsluze
Once the transmitter is set up and powered on, you can begin broadcasting:
- Zapnutí: The device powers on automatically when connected to a 5V USB power source. The LCD display will light up, showing the current transmitting frequency.
- Upravit frekvenci:
- Použijte UP button to increase the transmitting frequency.
- Použijte DW button to decrease the transmitting frequency.
- Set Frequency Step: Stiskněte tlačítko Krok button to cycle through available frequency step increments (e.g., 1MHz or 0.1MHz). This allows for fine-tuning of the broadcast frequency.
- Obnovit nastavení: Stiskněte tlačítko RES button to reset the transmitter to its default settings or a predefined state.
- Tune Receiver: On your FM radio receiver, tune to the same frequency displayed on the transmitter's LCD.
- Start Audio Playback: Begin playing audio from your connected audio source. The sound should now be broadcast and receivable on your FM radio.
Note on Output Power Adjustment:
The product specifications indicate an adjustable output power of 10~500mW. However, the provided documentation does not detail how to adjust this output power using the available buttons (DW, UP, Step, RES). Users may need to refer to additional product information or contact support for specific instructions on power adjustment.
7. Údržba
To ensure the longevity and proper functioning of your FM Transmitter, follow these maintenance guidelines:
- Čištění: K čištění vnější strany zařízení používejte měkký, suchý hadřík. Nepoužívejte tekuté čisticí prostředky ani rozpouštědla.
- Skladování: Vysílač skladujte na chladném a suchém místě mimo dosah přímého slunečního záření a extrémních teplot.
- Zacházení: Zabraňte pádu zařízení nebo jeho vystavení silným nárazům.
- Péče o anténu: S teleskopickou anténou zacházejte opatrně, abyste ji neohnuli nebo nezlomili.
8. Řešení problémů
If you encounter issues with your FM Transmitter, refer to the following troubleshooting tips:
- No Power / Display Off:
- Ensure the USB Type-C cable is securely connected to both the transmitter and a functioning 5V power source. Check if the power source is active.
- No Audio Output / Static on Receiver:
-
- Verify that the 3.5mm audio cable is properly connected to both the transmitter and your audio source.
- Ensure your audio source is playing sound and its volume is turned up.
- Confirm that your FM radio receiver is tuned to the exact frequency displayed on the transmitter's LCD.
- Check for strong local FM stations on the chosen frequency; try a different frequency if interference is present.
- Ensure the antenna is fully extended and positioned vertically.
- Poor Signal Quality / Limited Range:
-
- Extend the telescopic antenna fully and ensure it is vertical.
- Reduce the distance between the transmitter and the receiver.
- Minimize obstacles (walls, large metal objects) between the transmitter and receiver.
- Try a different transmitting frequency to avoid local interference.
- While the device supports adjustable output power, the method for changing it via the buttons is not specified. Ensure the device is operating at an appropriate power level for your desired range.
9. Uživatelské tipy
- Optimální umístění antény: For the best transmission range and signal clarity, always ensure the telescopic antenna is fully extended and positioned vertically.
- Výběr frekvence: Experiment with different frequencies within the 76-108MHz range to find the clearest channel in your specific environment, especially in areas with many active FM stations.
- Hlasitost zdroje zvuku: Adjust the volume on your audio source to a moderate level before connecting it to the transmitter to prevent distortion.
- Nastavení výkonu: While the device offers adjustable output power, the specific button sequence for this function is not detailed in this manual. If you require to change the output power, please consult the seller or manufacturer for further guidance.
10. Záruka a podpora
For any technical support, warranty claims, or further inquiries regarding your FM Transmitter, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.
