Entwodiksyon
This manual provides comprehensive instructions for setting up, operating, maintaining, and troubleshooting your Logitech K855 Wireless Mechanical Keyboard. Designed for both office and gaming use, this 84-key keyboard offers versatile connectivity and a comfortable typing experience.
Gid Enstalasyon
Kontni pake
Asire w tout atik yo prezan nan pakè a:
- Klavye mekanik san fil Logitech K855
- Logi boulon USB reseptè
- Dokimantasyon pou itilizatè a (manyèl sa a)
Kondisyon sistèm
Before connecting your keyboard, ensure your device meets the following requirements:
- Logi Bolt USB Reseptè: Available USB port. Compatible with Windows 10, Windows 11 or later; macOS 10.15 or later; Chrome OS™; Linux®.
- Enèji ki ba Bluetooth: Bluetooth low energy wireless technology. Compatible with Windows 10 or later; macOS 10.15 or later; iPadOS 14.0 or later; iOS 14.0 or later; Chrome OS™; Linux; Android 8.0 or higher.
- Internet connection for downloading Logi Options+ software (optional, for advanced customization).
Konekte klavye ou
The Logitech K855 offers two connection methods: Logi Bolt USB Receiver or Bluetooth Low Energy.
Method 1: Using the Logi Bolt USB Receiver
- Locate the Logi Bolt USB receiver in your keyboard's packaging.
- Branche reseptè USB Logi Bolt la nan yon pò USB ki disponib sou òdinatè w la.
- Limen klavye a. Li ta dwe konekte otomatikman ak reseptè a.
Method 2: Using Bluetooth Low Energy
- Limen klavye ou.
- Activate Bluetooth on your device (computer, tablet, or smartphone).
- On your keyboard, press and hold one of the Easy-Switch keys (usually F1, F2, or F3, indicated by a Bluetooth icon) until the LED indicator starts blinking rapidly, indicating pairing mode.
- On your device, search for Bluetooth devices and select "Logitech K855" from the list.
- Follow any on-screen prompts to complete the pairing process. The LED indicator on the keyboard will turn solid when connected.

Figi 1: Top view of the Logitech K855 keyboard, showing key layout.

Figi 2: Anba view of the Logitech K855 keyboard, showing the battery compartment and adjustable feet.
Enstriksyon Operasyon
Fonksyon debaz klavye a
The Logitech K855 features an 84-key layout with standard alphanumeric keys, function keys, and navigation keys. The mechanical TTC red switches provide a smooth, linear feel for comfortable and responsive typing.
Easy-Switch Functionality
The keyboard supports connecting to up to three devices simultaneously. Use the Easy-Switch keys (typically F1, F2, F3) to seamlessly switch between your paired devices. Press the desired Easy-Switch key to instantly connect to the corresponding device.
Function Keys (Fn)
The function keys (F1-F12) can perform special actions when pressed in combination with the 'Fn' key. These actions may include media control, volume adjustment, and other system shortcuts. Refer to your device's operating system for specific Fn key functionalities.
Logi Options+ Software (Optional)
For advanced customization, download and install the Logi Options+ software. This software allows you to:
- Reassign keys to perform custom actions.
- Adjust keyboard settings.
- Jere aparèy ki konekte.
- Utilize Logitech Flow with compatible mice for seamless multi-computer control.

Figi 3: Close-up view of the mechanical TTC red switches, highlighting the linear feedback.

Figure 4: The compact design of the K855 keyboard, suitable for various workspaces.
Antretyen
Netwaye klavye a
To maintain optimal performance and appearance, clean your keyboard regularly:
- Dekonekte klavye a nan aparèy ou an anvan ou netwaye li.
- Sèvi ak yon ti moso twal mou, ki san pèl dampened with water or a mild cleaning solution to wipe down the keys and surface.
- Evite itilize pwodui chimik ki fò, pwodui netwayaj abrazif, oubyen flite likid dirèkteman sou klavye a.
- Pou debri ant kle yo, sèvi ak lè konprese.
Ranplasman batri
The Logitech K855 keyboard has a battery life of up to 36 months, depending on usage. When the battery indicator light signals low power, replace the batteries:
- Etenn klavye a.
- Locate the battery compartment on the underside of the keyboard (refer to Figure 2).
- Louvri lòj la epi retire ansyen pil yo.
- Mete nouvo pil, asire polarite kòrèk.
- Close the battery compartment and turn on the keyboard.
Depanaj
Klavye a pa konekte
- Tcheke pouvwa: Ensure the keyboard is turned on and has sufficient battery power.
- Reseptè USB: If using the Logi Bolt receiver, ensure it is securely plugged into a working USB port. Try a different USB port.
- Bluetooth: If using Bluetooth, ensure Bluetooth is enabled on your device and the keyboard is in pairing mode (blinking LED). Remove "Logitech K855" from your device's Bluetooth list and try pairing again.
- Distans: Ensure the keyboard is within the 10-meter wireless reception range of your device.
- Entèferans: Move away from other wireless devices or sources of interference (e.g., Wi-Fi routers, cordless phones).
Kle pa reponn
- Batri: Replace the batteries if the battery indicator is low.
- Koneksyon: Re-establish the connection (see "Keyboard Not Connecting").
- Netwayaj: Check for debris under the keys and clean as described in the Maintenance section.
Lag or Delayed Input
- Entèferans: Reduce wireless interference.
- Distans: Ensure the keyboard is close to the receiver or Bluetooth device.
- Batri: Low battery can affect performance. Replace if needed.
Espesifikasyon
| Karakteristik | Detay |
|---|---|
| Nimewo Modèl | Logitech Signature K855 |
| Dimansyon (H x W x P) | 138.8 mm x 355.2 mm x 38.8 mm |
| Kalite Koneksyon | Bluetooth Low Energy Wireless (Bluetooth 5.1), Logi Bolt USB Receiver (2.4Ghz Wireless) |
| Wireless Resepsyon Range | 10 meters (varies depending on usage environment) |
| Mechanical Key Shaft | Red shaft (linear) |
| Lavi batri | Jiska 36 mwa (varye selon itilizasyon) |
| Endikatè | Caps Lock, Easy-Switch key, Battery indicator |
| Si ou vle lojisyèl | Logitech Options+ (for macOS 10.15+, Windows 10/11+) |
| Konpatibilite Logitech Flow | Compatible with Logitech Flow-enabled mice |
| Klavye estanda | 84 Keys, Mini Keyboard |
| Aplikasyon | Odinatè Desktop, Laptop, Tablèt |
| Kalite entèfas | USB (pou reseptè) |
| Style | Standard, Ergonomics, Gaming, Multifunctional Keyboard |
| Sipò ponyèt | Wi |
| Lang | angle |
| Orijin | Lachin tè pwensipal |
Garanti ak sipò
Garanti pwodwi
Your Logitech K855 keyboard is covered by a warranty that includes:
- Retounen gratis: Ou ka retounen machandiz gratis nan 90 jou apre acha a.
- Garanti livrezon rapid: Si livrezon an reta, yo ka bay yon kòd koupon $1.00. Ou ka jwenn ranbousman si pakè a pèdi oswa si atik yo domaje pandan transpò a, oswa si pa gen livrezon nan 60 jou.
Sekirite ak konfidansyalite
Logitech is committed to protecting your personal information:
- Peman an sekirite: Personal details are not shared with third parties without your consent.
- An sekirite enfòmasyon pèsonèl: Konfidansyalite ou pwoteje, epi detay pèsonèl ou yo an sekirite.
Sipò pou Kliyan
For further assistance, technical support, or warranty claims, please refer to the official Logitech support channels or contact your retailer.





