Generisk SI4732 Mini Radiomodtager Brugermanual

1. Introduktion

This manual provides comprehensive instructions for the operation and maintenance of your Generic SI4732 Mini Radio Receiver. Please read this manual thoroughly before using the device to ensure proper function and to maximize your listening experience. This portable radio is designed for receiving a wide range of radio frequencies, including AM, FM, LSB, USB, and shortwave bands.

2. Produktet er slutview

2.1 Nøglefunktioner

• Full-Band Radio Reception: Supports AM, FM, LSB, USB, and shortwave bands (0.5-108 MHz) with a SI4732 DSP chip for superior signal reception.
• High-Quality Color Display: Features a 1.9-inch IPS HD color screen (170*320 resolution) for clear display of station details and settings.
• Langtidsholdbart genopladeligt batteri: Equipped with a built-in 800mAh battery, providing over 10 hours of continuous operation on a single charge.
• Bærbart og kompakt design: Compact pocket-sized design with a durable 3D-printed PETG case, ideal for indoor and outdoor use.
• Forbedret modtagelse: Includes a portable loop antenna covering 9.9 kHz to 108 MHz for improved signal reception.
• Alsidig tilslutning: Features a Type-C charging port and a 3.5mm headphone jack for private listening.

2.2 Pakkens indhold

Ved udpakning skal du kontrollere, at alle nedenstående varer er til stede:

• SI4732 Mini Radio Receiver Host (1 unit)
• External Antenna (1 unit)
• USB-opladningskabel (1 enhed)

Image 2.2.1: The SI4732 Mini Radio Receiver, showing the main unit, external telescopic antenna, and USB charging cable.

3. Opsætning

3.1 Indledende opladning

Before first use, fully charge the radio's internal 800mAh battery. Connect the provided USB charging cable to the Type-C port on the radio and to a standard USB power source (e.g., computer USB port, USB wall adapter). The charging indicator on the screen will show the charging status. Note that fast charging is not supported.

3.2 Antenneforbindelse

For optimal reception, connect the external antenna to the SMA connector on the top of the radio. Ensure the connection is secure. The radio also features a built-in loop antenna for certain frequency bands.

Image 3.2.1: The radio with its telescopic antenna extended, ready for use.

Image 3.2.2: The radio connected to the external loop antenna, which enhances reception across various bands.

4. Betjeningsvejledning

4.1 Tænd/sluk

Locate the power button, typically on the side or front panel. Press and hold the button for a few seconds to power the device on or off. The IPS display will illuminate upon power-on.

4.2 Båndvalg

The radio supports multiple frequency bands: AM, FM, LSB, USB, and Shortwave (HF SW MW VHF). Use the navigation controls (buttons or rotary encoder, depending on model variant) to cycle through available bands. The currently selected band will be displayed on the 1.9-inch IPS screen.

4.3 Tuning

Use the rotary encoder (tuning knob) to adjust the frequency. Turning the knob clockwise increases the frequency, while turning it counter-clockwise decreases it. The step size for tuning can often be adjusted through the radio's menu settings for fine or coarse tuning.

Image 4.3.1: The radio displaying its frequency and mode on the IPS screen, with the tuning knob visible.

4.4 Lydstyrkekontrol

Adjust the audio output level using the dedicated volume control, which may be integrated with the tuning knob or a separate button/dial.

4.5 Brug af hovedtelefoner

For private listening, connect standard 3.5mm stereo headphones to the audio interface port. The internal speaker will typically mute automatically when headphones are connected.

Billede 4.5.1: Nærbillede views showing the Type-C charging port, 3.5mm audio jack, SMA antenna connector, and rotary encoder.

5. Vedligeholdelse

5.1 Rengøring

Wipe the radio's 3D-printed PETG housing with a soft, dry cloth. Avoid using abrasive cleaners, solvents, or harsh chemicals, as these can damage the surface or internal components.

5.2 Pleje af batterier

To prolong battery life, avoid fully discharging the battery frequently. Recharge the radio when the battery indicator is low. If storing the radio for an extended period, charge it to approximately 50% and recharge every few months.

5.3 Opbevaring

Opbevar radioen et køligt og tørt sted væk fra direkte sollys, ekstreme temperaturer og høj luftfugtighed. Hold den væk fra stærke magnetfelter.

6. Fejlfinding

• Ingen strøm: Ensure the battery is charged. Connect the radio to a power source using the USB Type-C cable and attempt to power on.
• Dårlig modtagelse: Extend the telescopic antenna fully or connect the external loop antenna. Try repositioning the radio or antenna. Check for local interference from electronic devices.
• Ingen lyd: Check the volume level. Ensure headphones are not connected if you intend to use the internal speaker. If headphones are connected, ensure they are fully inserted and functional.
• Skærmen reagerer ikke: Prøv at genstarte enheden ved at holde tænd/sluk-knappen nede. Hvis problemet fortsætter, skal du sørge for, at batteriet er opladet.

7. Specifikationer

Image 7.1.1: Product dimensions and specifications for the radio and wideband receiving antenna.

8. Garanti og support

Warranty and support information for this Generic SI4732 Mini Radio Receiver is not provided in the product data. Please refer to the retailer or point of purchase for details regarding warranty coverage and customer support options.