CHERRY XTRFY K37 Compact Full-size Wireless Keyboard

Key Functions Overview

• 10-Key / 6-Key Rollover: Switch between 10-key and 6-key rollover modes.
• Sound Volume: Adjust the sound volume.
• Backlighting Brightness: Adjust the backlighting brightness.
• Backlighting Transition Speed: Adjust the backlighting transition speed.
• Default Web Browser (Windows): Launch the default web browser.
• Spotlight Search (macOS): Perform a Spotlight search.
• File Explorer (Windows): Open the File Explorer (This PC).
• Finder (macOS): Open the Finder.
• Backlighting Effects: Change backlighting effects.
• Calculator: Launch the calculator.
• Factory Default Settings: Restore the keyboard to factory default settings.
• Windows / macOS Mode: Switch between Windows and macOS modes.
• FN Layer Functions: Access the FN layer functions.
• Pair 2.4 GHz Wireless Receiver: Pair the 2.4 GHz wireless receiver.
• Bluetooth Channels: Select Bluetooth channels and initiate pairing.
• Gaming Mode: Enable or disable the Gaming Mode.

1 Safety Precautions

Keep the device away from children under three years old to prevent choking hazards. The keyboard contains a permanent rechargeable battery; do not disassemble, crush, heat, or incinerate it to avoid fire risks. To prevent Repetitive Strain Injury (RSI), set up your workspace ergonomically, use the adjustable feet for a comfortable typing angle, take short breaks with stretching exercises, and adjust your position regularly.

2 Switching Keyboard On / Off

2.1 Turn On Keyboard: Connect via USB cable or slide the connection mode switch to the wireless position ( or ).

2.2 Turn Off Keyboard: Disconnect the USB cable and slide the connection mode switch to the off position ().

2.3 Power-saving Modes: The keyboard enters sleep or hibernation mode after inactivity. It awakens upon any key press.

3 Connecting Keyboard to Device

The K37 keyboard supports USB cable, Bluetooth 5.3, and 2.4 GHz wireless connectivity. The connection mode indicator lights up accordingly:

3.1 Connecting Keyboard via USB Cable: Connect the keyboard using the USB cable and slide the switch to the position. The indicator shows charging status.

3.2 Connecting Keyboard via Bluetooth: The keyboard has triple Bluetooth channels for simultaneous connection to three devices.

• 3.2.1 Enabling Bluetooth Mode: Slide the switch to . The keyboard attempts to reconnect or enters pairing mode on channel 1.
• 3.2.2 Reconnecting to Device: After activating Bluetooth, the keyboard searches for previously paired devices. Ensure Bluetooth is active on your device.
• 3.2.3 Connecting to New Device: Hold FN + channel key (1, 2, or 3) for three seconds to initiate pairing.
• 3.2.4 Pairing with Device: The keyboard enters pairing mode automatically or via FN + channel key. It supports Swift Pair. Pair via pop-up notification or Bluetooth Settings by selecting "K37-BTx".
• 3.2.5 Switching Bluetooth Devices: Ensure the mode is set to Bluetooth (), then press FN + channel key (1, 2, or 3).

3.3 Connecting Keyboard via Wireless Receiver: Slide the switch to , remove the receiver from the keyboard's storage, and insert it into a USB port.

3.4 Dealing with Connection Failures: The keyboard attempts connection for 60 seconds. If it fails, press any key to try again or refer to Troubleshooting.

3.5 Pairing Wireless Receiver: The keyboard and receiver are pre-paired. To re-pair, slide the switch to , press and hold FN + 4 until the indicator flashes white, then insert the receiver into a USB port.

4 Choosing Windows or macOS Mode

Press FN + ENTER to switch between Windows and macOS modes. Key functions differ between operating systems.

5 Using FN Layer Functions

Access built-in functions by holding the FN key and pressing the corresponding key (Windows) or by pressing the F1-F12 key directly (macOS).

*6-Key Rollover: W, A, S, D, Spacebar, Left SHIFT. 10-Key Rollover: 6 Keys above, plus Q, E, R, Left CTRL.

To lock the FN key, press and hold CTRL + FN. Press CTRL + FN again to unlock.

6 Customizing Backlighting Effects

Select desired backlighting effects by pressing FN + F12. Continue using this combination to cycle through built-in effects.

7 Using Gaming Mode

The K37 keyboard features a Gaming Mode to prevent accidental interruptions, such as disabling the Windows Start function. Press FN + to enable or disable Gaming Mode. This feature is available on Windows systems only.

8 Charging Keyboard

Use the provided USB cable to charge the keyboard. The charging indicator on the back of the keyboard is red when the battery is low, orange while charging, and green when fully charged. Avoid using fast charging devices.

9 Resetting Keyboard to Factory Defaults

Press and hold FN + BACKSPACE for 5 seconds. The keys will flash three times to confirm the reset.

10 Cleaning Keyboard

Turn off the keyboard and disconnect the USB cable. Clean with a slightly damp cloth and mild cleaning agent (e.g., dishwashing liquid). Avoid aggressive solvents. Prevent liquid from entering the keyboard. Dry with a soft, lint-free cloth.

11 Troubleshooting Problems

Try power cycling the keyboard, using a different USB port, testing with another computer, enabling "USB Keyboard Support" and "USB Legacy Mode" in BIOS, charging the keyboard, removing potential interference sources, and decreasing the distance between the keyboard and computer.

• 11.1 Troubleshooting Bluetooth Connection Failures: Activate your computer from sleep mode manually. Ensure the keyboard is not connected to another device on the selected channel. Minimize interference by turning off unnecessary Bluetooth devices. Remove and re-add the keyboard connection in Bluetooth settings. Switch to an alternate Bluetooth channel if necessary.
• 11.2 Troubleshooting Wireless Connection Failures: Position the receiver in a USB port nearest to the keyboard. Identify and remove potential sources of interference. Ensure drivers and firmware are up to date. Re-pair the receiver with the keyboard (refer to 3.5).

12 Disposing of Devices

Do not dispose of devices with this symbol () in household waste. Dispose of them according to local regulations at your dealer or recycling centers.

13 Technical Data

14 Contact

For Europe:
Cherry Europe GmbH
Cherrystraße 2
91275 Auerbach/OPf.
Germany
Internet: www.cherry-world.com or www.cherry.de

For USA:
Cherry Americas, LLC
5732 95th Avenue Suite 850
Kenosha, WI 53144
USA
Tel.: +1 262 942 6508
Email: sales@cherryamericas.com
Internet: www.cherry-world.com or www.cherry.de