1. Einleitung
The A4Tech FB45CS is a versatile dual-mode wireless mouse designed for enhanced productivity and comfort. It supports both Bluetooth and 2.4G wireless connectivity, allowing seamless switching between multiple devices. Key features include adjustable DPI, mute buttons, ergonomic design, and air mouse functionality for multimedia control.

A4Tech FB45CS Dual-Mode Wireless Mouse
2. Hauptmerkmale
- Dual-Mode Wireless Technology: Supports both 2.4G wireless (via USB receiver) and Bluetooth 4.0/3.0 for flexible connectivity.
- Umschaltung mehrerer Geräte: Connects and switches seamlessly between up to 3 devices.
- Stummschalttasten: Silent click design reduces noise by up to 14dB for a quiet working environment.
- Einstellbare DPI: Four adjustable DPI levels (1000, 1200, 1600, 2000) for precise control.
- Funktionalität der Air Mouse: Allows control of multimedia functions by moving the mouse in the air.
- Ergonomisches Design: Right-hand oriented design for comfortable long-term use.
- Anpassbare Seitentasten: Enhance office efficiency with programmable side buttons.
- Screenshot mit einer Taste: Dedicated button for quick screen capture.
- USB-Typ-C-Aufladung: Komfortable und moderne Ladeschnittstelle.
- Lange Akkulaufzeit: Up to 3-5 months of use on a single charge.

Überview of mouse features
3. Einrichtungsanweisungen
3.1 Systemanforderungen
The A4Tech FB45CS mouse is compatible with Windows 7, 8, 8.1, 10, and 11.
3.2 Erstaufladung
Before first use, it is recommended to fully charge the mouse using the provided USB Type-C cable. Connect the cable to the mouse's Type-C port and a USB power source. The charging indicator (if present) will show charging status.

USB-Typ-C-Ladeanschluss
3.3 Anschließen der Maus
The FB45CS mouse offers two connection modes: 2.4G Wireless and Bluetooth.

USB receiver and Type-C adapter for connectivity
3.3.1 2.4G-Drahtlosverbindung
- Locate the USB receiver (often stored in a compartment on the mouse).
- Plug the USB receiver directly into an available USB-A port on your computer. If your computer only has Type-C ports, use the included Type-C adapter with the USB receiver.
- Schalten Sie die Maus ein. Sie sollte sich automatisch mit dem Empfänger verbinden.
3.3.2 Bluetooth-Verbindung
- Turn on the mouse and switch it to Bluetooth mode (refer to the mouse's bottom switch or button for mode selection).
- Gehen Sie auf Ihrem Gerät (Computer, Tablet usw.) zu den Bluetooth-Einstellungen.
- Suchen nach new devices and select "A4Tech FB45CS" (or similar name) from the list.
- Befolgen Sie die Anweisungen auf dem Bildschirm, um den Kopplungsvorgang abzuschließen.

Bluetooth and 2.4G wireless transmission modes
3.4 Umschaltung mehrerer Geräte
The mouse can be paired with up to 3 devices and switched between them. The specific method for switching usually involves a button on the mouse (often on the bottom or a side button). Refer to the mouse's physical buttons for device switching functionality.

Verbinden Sie bis zu 3 Geräte gleichzeitig
4. Bedienungsanleitung
4.1 Tastenfunktionen
The A4Tech FB45CS mouse features 7 buttons, including a scroll wheel. Button functions may vary slightly between Desktop (standard) and Air (multimedia) modes.

Button functions for Desktop and Air modes
| Taste | Desktop-Modus | Air (Multimedia) Mode |
|---|---|---|
| 1 | Screenshot | Heim |
| 2 | Nach oben scrollen | Adjust Volume Up |
| Scroll Wheel (Middle Click) | Nach unten scrollen | Mute / Adjust Volume Down |
| 3 | Rechtsklick | Abspielen/Pause |
| 4 | Speed Change (DPI) | Open Multimedia Player |
| 5 | Nach vorne | Vorheriger Titel |
| 6 | Rückwärts | Nächster Titel |
4.2 DPI-Anpassung
The mouse supports four DPI levels: 1000, 1200, 1600, and 2000. Use the dedicated DPI adjust button (Button 4 in Desktop Mode) to cycle through these settings and find your preferred cursor speed.

Einstellbare DPI-Einstellungen
4.3 Air Mouse Functionality
When in Air (multimedia) mode, you can control your device by moving the mouse in the air. This is particularly useful for presentations or controlling media from a distance. Refer to the button functionality table for specific controls in Air mode.

Using the mouse as an air mouse
4.4 One-Key Screenshot
The mouse includes a convenient one-key screenshot function (Button 1 in Desktop Mode). Press this button to quickly capture your screen.

One-key screenshot feature
4.5 Ergonomics and Hand Posture
The FB45CS is designed for right-hand comfort. To ensure optimal ergonomic use and prevent wrist fatigue, maintain a straight line between your wrist and the mouse. Adjust your desk height so your forearm remains horizontal.

Recommended ergonomic hand posture
5. Wartung
5.1 Reinigung
To clean the mouse, use a soft, dry cloth. For stubborn dirt, slightly dampBefeuchten Sie das Tuch mit Wasser oder einer milden Reinigungslösung. Vermeiden Sie die Verwendung von scharfen Chemikalien oder Scheuermitteln, da diese die Oberfläche der Maus beschädigen können.
5.2 Batteriepflege
The mouse has a built-in rechargeable battery. To prolong battery life:
- Setzen Sie die Maus keinen extremen Temperaturen aus.
- Charge the mouse regularly, but avoid leaving it plugged in for extended periods after it's fully charged.
- If storing the mouse for a long time, charge it to about 50% before storage.
6. Fehlerbehebung
6.1 Maus reagiert nicht
- Überprüfen Sie die Leistung: Stellen Sie sicher, dass die Maus eingeschaltet ist und über ausreichend Akkuladung verfügt.
- Aufladezeit: Connect the mouse to a power source using the USB Type-C cable.
- Verbindung prüfen:
- 2.4-GHz-Funk: Stellen Sie sicher, dass der USB-Empfänger fest mit Ihrem Gerät verbunden ist. Versuchen Sie es mit einem anderen USB-Anschluss.
- Bluetooth: Verify Bluetooth is enabled on your device and the mouse is paired. Try unpairing and re-pairing the mouse.
- Modi wechseln: If using dual-mode, ensure the mouse is in the correct mode (2.4G or Bluetooth) for your connection.
- Neustart: Turn the mouse off and on again. Restart your computer/device.
6.2 Probleme mit der Cursorbewegung
- Sensor reinigen: Ensure the optical sensor on the bottom of the mouse is clean and free from obstructions.
- Oberfläche: Verwenden Sie die Maus auf einer sauberen, nicht reflektierenden und gleichmäßigen Oberfläche. Ein Mauspad wird empfohlen.
- DPI-Einstellung: Adjust the DPI setting using the DPI button to see if it resolves the issue.
6.3 Multi-Device Switching Problems
- Ensure all devices are properly paired with the mouse.
- Press the device switching button firmly and observe any indicator lights on the mouse that confirm the active device.
7. Spezifikationen
| Besonderheit | Detail |
|---|---|
| Modell | FB45CS |
| Konnektivität | 2.4Ghz Wireless, Bluetooth 4.0/3.0 |
| Schnittstellentyp | USB (für Empfänger) |
| Anzahl der Tasten | 7 |
| Anzahl der Rollen | 1 Stck. |
| DPI | Adjustable: 1000, 1200, 1600, 2000 |
| Betriebsmodus | Optoelektronisch |
| Leistungstyp | Wiederaufladbar (USB Typ-C) |
| Akkulaufzeit | Approx. 3-5 months (per charge) |
| Handausrichtung | Rechts |
| Abmessungen (L x B x H) | 105 mm x 70 mm x 42 mm |
| Rauschunterdrückung | Up to 14dB (mute buttons) |
| Systemkompatibilität | Windows 7/8/8.1/10/11 |

Produktabmessungen
8. Benutzertipps
- Ergonomie optimieren: Ensure your wrist is straight and your forearm is parallel to the desk surface to maximize comfort and prevent strain during extended use.
- Schaltflächen anpassen: Explore the software (if available, check manufacturer's website) to customize the side buttons for frequently used functions to boost your workflow.
- Batteriemanagement: For optimal battery longevity, avoid completely draining the battery frequently. A partial charge is often better than a full discharge.
- Air Mouse Practice: If new to air mouse functionality, practice controlling the cursor in the air to get accustomed to the sensitivity and movements.
- DPI for Task: Adjust DPI settings based on your task. Lower DPI for precision work (e.g., graphic design), higher DPI for faster navigation (e.g., browsing).
9. Garantie und Support
For warranty information and technical support, please refer to the official A4Tech webBesuchen Sie unsere Website oder kontaktieren Sie Ihren Händler. Bewahren Sie Ihren Kaufbeleg für eventuelle Garantieansprüche auf.





