Introduzione
This manual provides instructions for the Rocketek RT-CR3A USB 3.0 Memory Card Reader/Writer. This device facilitates high-speed data transfer between various memory card types and your computer via a USB 3.0 interface.
Caratteristiche del prodotto
- Two media slots: one for standard SD/MMC cards and one for Micro SD cards.
- Supports SDXC up to 2TB, SDHC, SD, MMC, RS-MMC, Micro SDXC, Micro SD, Micro SDHC card, and UHS-I cards.
- Built-in card cover design for secure storage of inserted cards.
- Plug and play functionality; supports hot swapping.
- USB powered (no external power or battery required).
- Super speed USB 3.0, backward compatible with USB 2.0/1.1.
- Automatic memory card detection.
- LED status indicator: solid when connected, flashing during data transfer.

Image: The Rocketek RT-CR3A card reader showing its compact design and a blue LED indicator when connected.

Image: The Rocketek RT-CR3A card reader illustrating its 360-degree rotatable protective cover for the USB connector.
Impostare
- Connessione al computer: Insert the USB 3.0 connector of the RT-CR3A into an available USB port on your computer. For optimal performance, use a USB 3.0 port. The device is backward compatible with USB 2.0 and 1.1 ports.
- Installazione del driver: The device is plug-and-play and typically does not require additional driver installation on most operating systems (Windows, Mac OS). Your computer should automatically detect and configure the device.
- Indicatore LED: A blue LED light will illuminate when the device is successfully connected and powered.

Image: The Rocketek RT-CR3A card reader connected to a laptop, demonstrating its use for high-speed data transfer.
Istruzioni per l'uso
Inserimento di una scheda di memoria
The RT-CR3A features two card slots: one for standard SD/MMC cards and one for Micro SD cards.
- For SD/MMC Cards: Open the built-in card cover. Gently insert your SD, SDHC, SDXC, MMC, or RS-MMC card into the larger slot with the contacts facing down until it clicks into place. Close the cover for secure storage.
- For Micro SD Cards: Gently insert your Micro SD, Micro SDHC, or Micro SDXC card into the smaller slot with the contacts facing down until it clicks into place.
The LED indicator will flash when data is being accessed or transferred.

Immagine: un primo piano view of the Rocketek RT-CR3A, illustrating an SD card partially inserted into its slot with the protective cover open.
Trasferimento dati
Once a memory card is inserted and detected, it will appear as a removable drive in your computer's file esploratore. Puoi quindi trascinare e rilasciare files, copy, paste, or cut data between your computer and the memory card.
Note: While the device has two slots, it may only read one card at a time. If both are inserted, remove one and reinsert the device if only one card is detected.
Tipi di carte supportate
The Rocketek RT-CR3A supports a wide range of memory card formats:
- SD Card (Secure Digital)
- SDHC (Secure Digital High Capacity)
- SDXC (Secure Digital eXtended Capacity) up to 2TB
- UHS-I SD cards
- MMC (MultiMediaCard)
- RS-MMC (Reduced Size MultiMediaCard)
- Scheda Micro SD
- Scheda microSDHC
- Micro SDXC
- Mini SD (requires an adapter, not included)

Image: A visual representation of the different types of SD and Micro SD cards compatible with the Rocketek RT-CR3A card reader.
Manutenzione
- Pulizia: Utilizzare un panno morbido e asciutto per pulire l'esterno del dispositivo. Evitare l'uso di detergenti liquidi o solventi.
- Magazzinaggio: When not in use, keep the card reader in a clean, dry place. Utilize the built-in card cover to protect inserted cards and the USB connector.
- Gestione: Evitare di far cadere il dispositivo o di esporlo a temperature estreme o umidità.

Image: The Rocketek RT-CR3A highlighting its compact and anti-lost design, including a keychain loop for portability.
Risoluzione dei problemi
Dispositivo non rilevato
- Ensure the card reader is fully inserted into a functional USB port.
- Prova una porta USB diversa sul tuo computer.
- If using a USB hub, try connecting the reader directly to the computer.
- Riavvia il computer.
Memory Card Not Detected
- Ensure the memory card is correctly inserted into the appropriate slot with contacts facing down.
- Try removing and reinserting the memory card.
- Prova la scheda di memoria su un altro dispositivo per verificare che funzioni.
- If multiple cards are inserted, remove one and reinsert the card reader into the USB port.
Trasferimento dati lento
- Ensure the card reader is connected to a USB 3.0 port on your computer for optimal speed. USB 2.0/1.1 ports will result in slower transfer rates.
- The speed of data transfer also depends on the speed class of your memory card.
Specifiche
| Caratteristica | Specificazione |
|---|---|
| Modello | RT-CR3A |
| Interfaccia | USB 3.0 (retrocompatibile con USB 2.0/1.1) |
| Tipi di carte supportate | SD, SDHC, SDXC, UHS-I, MMC, RS-MMC, Micro SD, Micro SDHC, Micro SDXC |
| Capacità massima | SDXC up to 2TB |
| Sistema operativo | Mac OS, Windows |
| Dimensioni (LxWxH) | 4.72 x 2.56 x 0.71 pollici (circa 120 x 65 x 18 mm) |
| Peso dell'articolo | 1.44 once (circa 40.8 grammi) |
| Caratteristiche speciali | Plug & Play, Built-in Card Cover, LED Status Indicator |

Image: A diagram illustrating the physical dimensions of the Rocketek RT-CR3A card reader.
Garanzia e supporto
Rocketek provides a 24-month manufacturer's warranty for this product.
For technical support or warranty claims, please contact Rocketek customer service. Refer to the product packaging or the official Rocketek websito per le informazioni di contatto.
Free lifetime technical support is also available.
Informazioni sulla sicurezza
- Non tentare di smontare o modificare il dispositivo.
- Tenere fuori dalla portata dei bambini.
- Evitare l'esposizione all'acqua o ad altri liquidi.
- Smaltire il dispositivo in modo responsabile, nel rispetto delle normative locali sui rifiuti elettronici.