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The Logitech Signature M550 Wireless Mouse is designed for enhanced comfort and productivity. It features an adaptive SmartWheel for precise and fast scrolling, silent clicks, and versatile connectivity options. This manual provides detailed instructions for setting up, operating, maintaining, and troubleshooting your M550 mouse.

Figure 1: Logitech Signature M550 Wireless Mouse (Black, Small/Medium Size)
1. Impostazione
1.1 Installazione della batteria
The Logitech Signature M550 mouse requires one AA battery, which is included. To install the battery:
- Individuare il coperchio del vano batteria sul lato inferiore del mouse.
- Far scorrere il coperchio per aprirlo.
- Insert the AA battery, ensuring correct polarity (+ and - ends).
- Chiudere il coperchio del vano batteria finché non scatta in posizione.
The mouse is designed for a 24-month battery life, which may vary based on usage.
1.2 Collegamento del mouse
The Signature M550 offers two connectivity options: Bluetooth Low Energy or the Logi Bolt USB receiver.

Figure 2: Connectivity options: Bluetooth and Logi Bolt USB receiver
1.2.1 Utilizzo del ricevitore USB Logi Bolt
The Logi Bolt USB receiver is typically stored inside the mouse's battery compartment or provided alongside it. To connect:
- Remove the Logi Bolt USB receiver from its storage slot.
- Collega il ricevitore USB Logi Bolt a una porta USB-A disponibile sul tuo computer.
- Accendere il mouse utilizzando l'interruttore di alimentazione posto sul lato inferiore.
- Il mouse dovrebbe connettersi automaticamente al ricevitore.

Figure 3: Logi Bolt USB-A Receiver
1.2.2 Utilizzo di Bluetooth Low Energy
Per connettersi tramite Bluetooth:
- Accendere il mouse utilizzando l'interruttore di alimentazione posto sul lato inferiore.
- Press and hold the button on the bottom of the mouse until the LED indicator starts blinking rapidly, indicating pairing mode.
- Sul tuo computer o dispositivo, apri le impostazioni Bluetooth.
- Select "Logitech M550" from the list of available devices and follow any on-screen prompts to complete pairing.
The mouse is compatible with Windows, macOS, Linux, Chrome OS, iPadOS, and Android operating systems.
2. Istruzioni per l'uso
2.1 SmartWheel Scrolling
The Signature M550 features a SmartWheel that adapts to your scrolling needs:
- Line-by-line precision: For detailed navigation in documents and spreadsheets.
- Super-fast free spin: Automatically engages for rapid scrolling through long web pages or documents with a flick of the wheel.

Figure 4: Precision and speed scrolling with SmartWheel
2.2 Clic silenziosi
The mouse incorporates Logitech's SilentTouch technology, reducing click noise by 90% compared to traditional mice. This feature allows for a quieter working environment.

Figure 5: Enjoy 90% less clicking noise
2.3 Customizable Side Buttons
The Signature M550 includes customizable side buttons. To configure these buttons, download and install the Logitech Options+ software from the official Logitech website. This software allows you to assign various functions to the side buttons, enhancing your workflow.
2.4 Ergonomia e comfort
The mouse is designed with a contoured shape, soft thumb area, and rubber side grips to provide comfort during extended use. It is available in sizes optimized for small to medium-sized hands (M550) and larger hands (M550 L).

Figure 6: The optimal fit for your hand (M550 vs. M550 L)
3. Manutenzione
3.1 Sostituzione della batteria
When the mouse battery is low, the LED indicator may change color or blink. To replace the battery, follow the steps outlined in Section 1.1 Battery Installation. Use a fresh AA alkaline battery for optimal performance.
3.2 Pulizia del mouse
To ensure proper function and hygiene, periodically clean your mouse:
- Spegnere il mouse prima di pulirlo.
- Utilizzare leggermente un panno morbido e privo di lanugine dampcon acqua o una soluzione detergente adatta ai dispositivi elettronici.
- Wipe down the exterior of the mouse. Avoid getting moisture into openings.
- Per il sensore ottico nella parte inferiore, utilizzare un batuffolo di cotone asciutto per rimuovere delicatamente polvere o detriti.
- Lasciare asciugare completamente il mouse prima di riaccenderlo.
4. Risoluzione Dei Problemi
| Problema | Possibile causa | Soluzione |
|---|---|---|
| Il mouse non risponde | Low battery; Mouse is off; Connectivity issue (receiver unplugged/Bluetooth disconnected) | Replace battery; Turn on mouse; Re-plug USB receiver or re-pair Bluetooth. |
| Movimento irregolare del cursore | Dirty optical sensor; Unsuitable surface; Interference | Clean optical sensor; Use on a clean, non-reflective surface; Move mouse closer to receiver/device. |
| L'associazione Bluetooth non riesce | Mouse not in pairing mode; Device Bluetooth off; Interference | Ensure mouse is in pairing mode (blinking LED); Enable Bluetooth on device; Reduce distance between mouse and device. |
| I pulsanti laterali non funzionano | Logitech Options+ software not installed or configured | Install Logitech Options+ software and configure button assignments. |
For further assistance, visit the Logitech support websito.
5. Specifiche
- Modello: Numero di modello: M550
- Connettività: Ricevitore USB Logi Bolt a basso consumo energetico
- Tecnologia di rilevamento del movimento: Ottico
- Tipo di batteria: Batteria 1 x AA (inclusa)
- Durata della batteria: Fino a 24 mesi (può variare in base all'utilizzo)
- Peso: 3.44 once
- Compatibilità con il sistema operativo: Windows, macOS, Linux, Chrome OS, iPadOS, Android
- Caratteristiche speciali: Silent Clicks (SilentTouch Technology), SmartWheel (precision and hyper-fast scrolling), Customizable Side Buttons, Ergonomic Design, Made with certified post-consumer recycled plastic (Graphite: 65%, Off-White/Rose: 26%)
- Produttore: Logitech
- Paese di origine: Cina
- Data prima disponibilità: 1 gennaio 2024
6. Garanzia e supporto
6.1 Informazioni sulla garanzia
Logitech products typically come with a limited hardware warranty. For specific warranty terms and conditions applicable to your Logitech Signature M550 Wireless Mouse, please refer to the warranty card included with your product or visit the official Logitech support websito. Conservare la prova d'acquisto per eventuali reclami in garanzia.
6.2 Assistenza clienti
For technical support, product inquiries, or troubleshooting assistance, please visit the Logitech support websito:
Potresti anche trovare risorse utili, FAQ e download di driver sul loro websito.