1. Konfigurazioa
This section guides you through the initial setup of your Logitech Signature Comfort M840 L Wireless Mouse.
1.1. Bateriaren instalazioa
Your mouse comes with one AA alkaline battery pre-installed. To activate the mouse, remove any protective pull-tabs from the battery compartment. If replacing the battery, open the battery compartment cover located on the underside of the mouse, insert one AA battery with the correct polarity, and close the cover.

Irudia: Goia eta behea view of the M840 L mouse, highlighting the battery compartment and indicating a 24-month battery life.
1.2. Zure sagua konektatzea
The M840 L mouse connects wirelessly via Bluetooth. No USB dongle is required.
- Piztu: Ensure the mouse is powered on using the switch on the bottom.
- Aktibatu parekatzeko modua: Press and hold the Easy-Switch button (usually located on the bottom or side of the mouse) until the LED indicator starts blinking rapidly. This indicates the mouse is in pairing mode.
- Gailuaren parekatzea: On your computer or device, navigate to Bluetooth settings and select 'Add a device' or 'Pair new device'. Choose 'Logitech M840 L' from the list of available devices.
- Berrespena: The LED indicator on the mouse will turn solid for a few seconds, then turn off, confirming a successful connection.

Irudia: Gehiagoview of the M840 L mouse highlighting its key features including Bluetooth connectivity.
1.3. Gailu anitzen parekatzea (Easy-Switch)
The M840 L supports connecting to up to three devices simultaneously using the Easy-Switch feature.
- Pair First Device: Follow the steps in 1.2 to pair your first device.
- Aldatu kanala: Press the Easy-Switch button briefly to switch to an unoccupied channel (e.g., if channel 1 is used, switch to 2 or 3). The LED for the selected channel will blink slowly.
- Pair Second/Third Device: Press and hold the Easy-Switch button for the new channel until its LED blinks rapidly, then pair with your second device as described in 1.2. Repeat for a third device if needed.
- Gailuen artean aldatzea: To switch between paired devices, simply press the Easy-Switch button briefly to select the desired channel.

Image: A user seamlessly switching between a laptop and a desktop setup using the Easy-Switch feature of the M840 L mouse.
1.4. Softwarearen instalazioa (Logi Aukerak+)
For full customization of buttons and advanced features, download and install the Logi Options+ software from the official Logitech webgunea. Software hau Windows eta macOS-ekin bateragarria da.
Video: An official Logitech video demonstrating the customizable buttons and SmartWheel scrolling features of the Signature Comfort M840 L mouse.
2. Funtzionamendu-argibideak
Learn how to use the various features of your M840 L mouse for optimal productivity.
2.1. Oinarrizko funtzioak
- Ezkerreko klik: Lehen mailako hautaketa eta aktibazioa.
- Egin klik eskuineko botoiarekin: Testuinguru-menuetara sartzen da.
- Middle Click (Scroll Wheel Press): Can be customized via Logi Options+ for various functions like opening new tabs or universal scroll.
- Alboko botoiak: Default to Forward/Back navigation in web browsers. Customizable via Logi Options+.

Image: A hand demonstrating the comfortable grip of the M840 L mouse, designed for right-handed use.
2.2. Gurpil Adimendunaren Mugimendua
The SmartWheel automatically switches between two scrolling modes:
- Lerroz lerroko korritzea: Ideal for precise navigation through documents and lists.
- Korritze hiper-azkarra: Automatically engages when you scroll faster, allowing you to fly through long web orrialdeak eta dokumentuak.
The M840 L also features quiet clicks and scrolling, minimizing distractions in shared workspaces.

Image: A user engaging the SmartWheel for efficient scrolling, maintaining focus during work.
2.3. Customizing Buttons with Logi Options+
Utilize the Logi Options+ software to personalize your mouse experience:
- Botoien esleipenak: Reassign functions to any of the 6 buttons, including application-specific actions.
- DPI doikuntza: Fine-tune the mouse's tracking speed (DPI) to match your preference.
- Keinuak: Assign gesture controls to certain buttons for enhanced navigation.
- Fluxua: If you have multiple computers with Logi Options+ installed, use Flow to seamlessly move your cursor, text, and filehaien artean s.

Image: A user interacting with the Logi Options+ app to customize the buttons of their M840 L mouse for improved workflow.
3. Mantentzea
Mantentze egokiak zure saguaren iraupena eta errendimendu optimoa bermatzen ditu.
3.1. Bateria ordezkatzea
The M840 L mouse has an estimated battery life of up to 24 months. When the battery is low, the LED indicator on the mouse may flash red. To replace the battery:
- Itzali sagua beheko etengailua erabiliz.
- Ireki saguaren azpialdean dagoen bateriaren konpartimentuaren estalkia.
- Kendu AA bateria zaharra.
- Insert a new AA alkaline battery, ensuring correct polarity (+/-).
- Itxi bateriaren konpartimenduaren estalkia.
- Piztu berriro sagua.
3.2. Garbiketa
Sagua garbitzeko, erabili zapi leun eta lihorik gabeko bat, arinki bustita.ampened with water or an electronics-safe cleaning solution. Avoid harsh chemicals, abrasive materials, or excessive moisture. Regularly clean the optical sensor on the bottom of the mouse to ensure accurate tracking.
4. Arazoak
If you encounter issues with your M840 L mouse, refer to the following common solutions.
4.1. Saguak ez du erantzuten
- Egiaztatu potentzia: Ziurtatu sagua piztuta dagoela.
- Bateria maila: Ordeztu AA pila baxua edo agortuta badago.
- Bluetooth berriro parekatu: Go to your device's Bluetooth settings, remove the M840 L, and then re-pair it following the steps in Section 1.2.
- Probatu beste gailu bat: Test the mouse with another Bluetooth-enabled device to determine if the issue is with the mouse or the original device.
4.2. Intermittent Connection or Lag
- Murriztu interferentzia: Move the mouse closer to your device. Avoid using the mouse near other wireless devices (Wi-Fi routers, cordless phones) that might cause interference.
- Eguneratu kontrolatzaileak: Ziurtatu zure ordenagailuaren Bluetooth kontrolatzaileak eguneratuta daudela.
- Garbitu sentsorea: Garbitu saguaren beheko aldean dagoen sentsore optikoa.
4.3. Buttons Not Functioning as Expected
- Check Logi Options+: Open the Logi Options+ software to verify button assignments. Ensure no conflicting profiles aktiboak dira.
- Softwarearen berrinstalazioa: If issues persist, try uninstalling and reinstalling Logi Options+.
5. Zehaztapenak
| Marka | Logitech |
| Ereduaren izena | M840L |
| Modelo zenbakia | 910-007712 |
| Kolorea | Grafitoa |
| Konektibitate Teknologia | Bluetootha |
| Mugimenduak detektatzeko teknologia | Optikoa |
| Botoi kopurua | 6 |
| Eskuen Orientazioa | Eskuin |
| Sistema eragile bateragarriak | Windows, macOS, Chrome OS, Linux, iPadOS, Android |
| Bateria mota | 1 AA Alkaline Battery (included) |
| Bateriaren batez besteko bizitza | Gehienez 24 hilabete |
| Elementuaren pisua | 107.9 g |
| Elementuaren neurriak (L x W) | 4.8 cm-ko luzera x 2.93 cm-ko zabalera |
| Itxituraren Materiala | Plastic (minimum 50% post-consumer recycled plastic) |
6. Bermea eta Laguntza
6.1. Bermearen informazioa
The Logitech Signature Comfort M840 L Wireless Mouse comes with a 2 urteko hardwarearen berme mugatua. This warranty covers defects in materials and workmanship under normal use. For full terms and conditions, please refer to the documentation included with your product or visit the official Logitech webgunea.
6.2. Bezeroarentzako arreta
Laguntza gehiago, euskarri teknikoa edo Logi Options+ softwarearen azken bertsioa deskargatzeko, bisitatu Logitech-en euskarri ofiziala. webgunea:
- Logitech-en laguntza: https://support.logi.com
- Logi Options+ Download: https://www.logitech.com/optionsplus







