COOLER MASTER CK71 Wireless RGB Mechanical Gaming Keyboard Installation Guide

June 6, 2024
COOLER MASTER

CK71 Wireless RGB Mechanical Gaming Keyboard
Installation Guide

IMPORTANT
Please charge your new keyboard for at least 2 hours before using it for the first time.

BLUETOOTH MODE

A. USING BLUETOOTH – AN OVERVIEW
| Turning On Bluetooth for the First Time
1. Toggle the physical switch on the side of the keyboard to enter Bluetooth Mode.
2. Press and hold FN + DEL/PGUP/PGDN for 5 seconds to enter pairing mode. The indicator will rapidly flash BLUE 3 times one every second to confirm you are in Pairing Mode.
3. If pairing is successful, the indicator will light up with a solid WHITE light for 3 seconds. If unsuccessful, the keyboard will enter Sleep Mode after 30 seconds. In Sleep Mode, all the keyboard lighting will be turned off.
Turning On Bluetooth After the First Time
1. When the Bluetooth mode is activated, the keyboard will connect to the previous synced wireless device (DEL/PGUP/PGDN) automatically within seconds.
2. If successfully connected, the indicator will light up with a solid WHITE light for 3 seconds. If unsuccessful, the keyboard will enter Sleep Mode after 30 seconds. In Sleep Mode, all the keyboard lighting will be turned off.
3. To connect to a specific paired device, press FN + DEL/PGUP/PGDN after activating Bluetooth mode to connect to the corresponding device. The keyboard will connect to the device if successful and enter sleep mode after 30 seconds if the device is not found or fails to connect.
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B. MANUALLY PAIRING DEVICES TO THE KEYBOARD
| 1. Toggle the physical switch on the side of the keyboard to enter Bluetooth Mode.
2. Press and hold FN + DEL/PGUP/PGDN for 5 seconds to enter pairing mode. The indicator will rapidly flash BLUE 3 times one every second to confirm you are in Pairing Mode.
3. If pairing is successful, the indicator will light up with a solid WHITE light for 3 seconds. If unsuccessful, the keyboard will enter Sleep Mode after 30 seconds. In Sleep Mode, all the keyboard lighting will be turned off.
C. SWITCH PAIRED DEVICES
| 1. Press FN + DEL/PGUP/PGDN to switch to the corresponding paired device.

2.4 GHz MODE

**A. USING 2.4 GHZ – AN OVERVIEW

**| 1. Toggle the physical switch on the side of the keyboard to enter 2.4 GHz Mode. The indicator will continuously flash a BLUE light every second to confirm it is trying to connect to a device.
2. Plug the included dongle into the desired device. The keyboard should automatically connect to the device.
3. If successfully connected, the indicator will light up with a solid WHITE light for 3 seconds. If unsuccessful, the keyboard will enter Sleep Mode after 30 seconds. In Sleep Mode, all the keyboard lighting will be turned off.
4. To pair with other devices, simply unplug the dongle and re-plug it into another device. If pairing is successful, the indicator will light up with a solid WHITE light for 3 seconds. If unsuccessful, the keyboard will enter Sleep Mode after 30 seconds. In Sleep Mode, all the keyboard lighting will be turned off.
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B. MANUALLY PAIRING 2.4 GHZ DONGLE TO THE KEYBOARD
| 1. Toggle the physical switch on the side of the keyboard to enter a 2.4 GHz Mode. Press and hold FN + Enter for 5 seconds to enter pairing mode. The indicator will rapidly flash BLUE 3 times every second to confirm you are in Pairing Mode.
2. Plug the included dongle into the desired device. The keyboard should automatically connect to the device.
3. If pairing is successful, the indicator will light up with a solid WHITE light for 3 seconds. If unsuccessful, the keyboard will enter Sleep Mode after 30 seconds. In Sleep Mode, all the keyboard lighting will be turned off.

WIRED MODE

SWITCHING TO WIRED MODE
| If the physical switch is toggled to Bluetooth or 2.4 GHz Mode
The keyboard will switch to Wired Mode automatically as the physical switch is toggled to Wired and it is connected to a PC or laptop.
If the physical switch is toggled to Wired Mode
The keyboard will switch to Wired Mode automatically as it is connected to a PC or laptop.
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CHARGING

CHARGING THE KEYBOARD
| If the physical switch is toggled to Bluetooth or 2.4 GHz Mode
The keyboard will remain connected to the wireless device and begin charging when it is plugged into a PC, laptop, or power source. The indicator light will be RED when charging and change to GREEN when battery level is full.
If the physical switch is toggled to Wired Mode
The keyboard will begin charging when it is plugged into a PC, laptop, or power source. The indicator light will be RED when charging and change to GREEN when the battery level is full.
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INDICATOR LIGHT RULE

A. CAPSLK Indicator
| The CAPSLK indicator will light up with a solid WHITE light when turning on the CAPSLK key, and turn off when turning off the CAPLSK key.
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B. Wireless Mode
| 1. In Pairing Mode, the indicator will rapidly flash BLUE 3 times one every second.
2. In Connecting Mode, the indicator will continuously flash a BLUE light one every second.
3. If Pairing / Connecting is successful, the indicator will light up with a solid WHITE light for 3 seconds.
C. Charging Status Indicator
| When the keyboard is plugged into a PC, laptop, or power source, the indicator will show a RED light when charing and change to GREEN when battery level is full.
In Wired Mode, the indicator will change to GREEN for 3 seconds then turn off when the battery level is full.
D. Low Battery Scenario
| 1. When the battery level falls below 15%, the indicator will rapidly flash RED light 3 times every 20 seconds. This indicator lighting will repeat until the keyboard enter Sleep Mode or is connected to the PC, laptop or power source.
The Low Power Mode percentage can be customized via Cooler Master software.
2. When the battery level falls below 5%, the keyboard will go into Deep Sleep Mode. All lighting will be turned off – including the indicator.
E. Indicator on DEL/PGUP/PGDN
| Press FN will show the pairing status of each location (DEL, PGUP or PGDN) with WHITE light.

FCC Warning Statement

Changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that
interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

  • Reorient or relocate the receiving antenna.
  • Increase the separation between the equipment and receiver.
  • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
  • Consult the dealer or an experienced radio/TV technician for help.

This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation.
The device has been evaluated to meet general RF exposure requirements.

ISED Canada Statement:
This device contains license-exempt transmitter(s)/receiver(s)/ that comply with Innovation Science and Economic Development Canada’s license-exempt RSS(s).

  • Operation is subject to the following two conditions:
  1. this device may not cause interference and
  2. this device must accept any interference, including interference that may cause undesired operation of the device.
    Radiation Exposure: This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment

RF Exposure Statement
To maintain compliance with IC’s RF Exposure guidelines, This equipment should be. installed and operated with a minimum distance of 5mm the radiator your body. This device and its antenna(s) must not be co-located or operated in conjunction with any other antenna or transmitter

© 2021 Cooler Master Technology Inc. All Rights Reserved.
All trademarks are registered to their respective owners.
Ver 1.0: 2021/02
512004490-GP

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