Logitech G915 X Lightspeed TKL Wireless Mechanical Gaming Keyboard User Manual

1. Introduction

The Logitech G915 X LIGHTSPEED TKL is a compact, low-profile wireless mechanical gaming keyboard designed for high performance and versatility. It features advanced LIGHTSPEED wireless technology, customizable RGB lighting, and durable double-shot PBT keycaps. This manual provides essential information to help you set up, operate, and maintain your keyboard.

Figure 1.1: Logitech G915 X Lightspeed TKL Wireless Mechanical Gaming Keyboard with RGB lighting.

2. What's in the Box

Verify that all components are present in the packaging:

• Logitech G915 X Lightspeed TKL Wireless Mechanical Gaming Keyboard
• USB Receiver
• USB Extender
• USB-A to USB-C Charging and Data Cable
• User Documentation

Figure 2.1: All items included in the product packaging.

3. Setup

3.1 Initial Connection

The G915 X TKL keyboard offers three connectivity options: LIGHTSPEED wireless, Bluetooth, and wired USB-C. Choose the method that best suits your setup.

LIGHTSPEED Wireless Connection:

1. Insert the USB wireless receiver into an available USB-A port on your computer. For optimal signal, use the included USB extender to position the receiver closer to the keyboard.
2. Turn on the keyboard using the power switch located on the top edge.
3. Press the LIGHTSPEED button (indicated by a Wi-Fi-like icon) on the keyboard to activate LIGHTSPEED mode. The indicator light should turn blue.

Bluetooth Connection:

1. Turn on the keyboard.
2. Press and hold the Bluetooth button (indicated by a Bluetooth icon) until the indicator light blinks rapidly, indicating pairing mode.
3. On your computer or device, navigate to Bluetooth settings and select "G915 X TKL" from the list of available devices to pair.

Wired Connection:

1. Connect the USB-C end of the charging cable to the keyboard's USB-C port.
2. Connect the USB-A end of the charging cable to an available USB-A port on your computer. The keyboard will automatically switch to wired mode and begin charging.

Figure 3.1: The keyboard supports 2.4GHz LIGHTSPEED, Bluetooth, and wired USB-C connections.

3.2 Software Installation (G HUB)

For full customization of your G915 X TKL keyboard, including key assignments, LIGHTSYNC RGB effects, and profiles, install the Logitech G HUB software. You can download G HUB from the official Logitech G website.

1. Visit the Logitech G website and navigate to the G HUB download page.
2. Download and run the installer for your operating system (Mac or PC).
3. Follow the on-screen instructions to complete the installation.
4. Once installed, launch G HUB. Your G915 X TKL keyboard should be automatically detected.

Figure 3.2: G HUB software interface for customizing keyboard commands and lighting.

4. Operating the Keyboard

4.1 Key Features Overview

The G915 X TKL keyboard is equipped with several features to enhance your gaming and typing experience:

• Low-Profile GL Switches: Provides a fast and precise actuation with a short travel distance.
• Double-Shot PBT Keycaps: Ensures durability and resistance to wear, maintaining key legend visibility.
• Dedicated Media Keys: Convenient controls for volume, play/pause, skip, and mute.
• Volume Roller: A smooth, precise roller for quick volume adjustments.
• LIGHTSYNC RGB: Per-key customizable lighting with approximately 16.8 million colors.
• KEYCONTROL: Allows assignment of up to 15 functions per key for advanced customization.

Figure 4.1: Key features including USB-C port, media keys, volume roller, and PBT keycaps.

4.2 Customizing Commands (KEYCONTROL)

Utilize the KEYCONTROL feature through Logitech G HUB to personalize your keyboard. You can assign macros, system commands, and more to individual keys, creating a tailored command center for your needs.

1. Open Logitech G HUB.
2. Select your G915 X TKL keyboard from the device list.
3. Navigate to the "Assignments" tab.
4. Drag and drop commands from the list onto the desired keys on the virtual keyboard.
5. Save your profile to apply the changes.

4.3 LIGHTSYNC RGB

The LIGHTSYNC RGB lighting system allows for dynamic and customizable illumination. Through G HUB, you can choose from preset effects, create your own, or synchronize lighting with other Logitech G devices.

1. Open Logitech G HUB.
2. Select your G915 X TKL keyboard.
3. Go to the "LIGHTSYNC" tab.
4. Select from various lighting effects or create custom animations.
5. Adjust brightness and speed as desired.

Figure 4.2: The keyboard's impossibly thin design with vibrant LIGHTSYNC RGB backlighting.

5. Maintenance

5.1 Cleaning

To ensure the longevity and optimal performance of your keyboard, regular cleaning is recommended:

• Disconnect the keyboard from your computer before cleaning.
• Use a soft, lint-free cloth slightly dampened with water or a mild cleaning solution to wipe down the keycaps and chassis. Avoid harsh chemicals or abrasive materials.
• For debris between keys, use compressed air to blow out dust and particles.
• Ensure the keyboard is completely dry before reconnecting it.

5.2 Battery Management

The G915 X TKL features a rechargeable Lithium Polymer battery. To maximize battery life:

• Charge the keyboard using the provided USB-C cable. A full charge takes approximately 4 hours.
• The keyboard can provide up to 42 hours of continuous use on a single charge with default lighting.
• Monitor battery status via the indicator light on the keyboard or through Logitech G HUB.
• For extended periods of non-use, it is recommended to turn off the keyboard to conserve battery.

6. Troubleshooting

If you encounter issues with your Logitech G915 X TKL keyboard, refer to the following common solutions:

• Keyboard Not Responding:
  Ensure the keyboard is powered on. Check the connection method (LIGHTSPEED, Bluetooth, or wired). For wireless, ensure the receiver is securely plugged in and within range. Try reconnecting or re-pairing the device.
• Connectivity Issues (Lag/Disconnections):
  Move the USB receiver closer to the keyboard, ideally using the included USB extender. Ensure there are no strong wireless interferences (e.g., other 2.4GHz devices, large metal objects) between the keyboard and receiver. Update keyboard firmware via G HUB.
• RGB Lighting Not Working/Incorrect:
  Verify that LIGHTSYNC RGB is enabled in G HUB. Check the brightness settings. Ensure G HUB is running and the keyboard profile is active.
• Keys Not Registering or Double Typing:
  Clean under the affected keycaps using compressed air. Ensure G HUB is updated to the latest version. If the issue persists, contact Logitech G support.
• Battery Not Charging:
  Ensure the USB-C cable is properly connected to both the keyboard and a working USB port on your computer or a power adapter. Try a different USB port or cable.

7. Specifications

8. Warranty and Support

8.1 Warranty Information

Logitech G products typically come with a limited hardware warranty. For specific warranty terms and conditions applicable to your region and product, please refer to the warranty information included in your product packaging or visit the official Logitech G website.

8.2 Customer Support

For technical assistance, product inquiries, or warranty claims, please contact Logitech G customer support through the following channels:

• Online Support: Visit the Logitech G support website for FAQs, troubleshooting guides, and driver downloads.
• Contact Form: Submit a support ticket through the website for personalized assistance.
• Phone Support: Check the Logitech G website for regional phone numbers and operating hours.

Please have your product model number (920-012715) and serial number ready when contacting support.