CoolKiller CK75 5.0 Transparent Three Mode Mechanical Keyboard User Manual

: June 12, 2024
: CoolKiller

Table of Contents

CoolKiller CK75 5.0 Transparent Three Mode Mechanical Keyboard
Product Information
Product Usage Instructions
List of contents
Quick Start Guide
Toggle switch
Bluetooth Connection
Switching Effect
Charge
Storage And Use Environment
Custom driver
Troubleshooting
Functions
More Information
References
Read User Manual Online (PDF format)
Download This Manual (PDF format)

CoolKiller CK75 5.0 Transparent Three Mode Mechanical Keyboard

oolKiller-CK75-5-0-Transparent-Three-Mode-Mechanical-Keyboard-
product

Product Information

The product is the CK 75 keyboard manufactured by Dieyun Innovation Technology Co., LTD. It is a custom mechanical keyboard that features a transparent design. The keyboard supports both MAC and WIN systems and can be connected through Bluetooth, wired mode, or 2.4G mode. It has a toggle switch for power and system transfer, as well as various function keys for customization. The keyboard has a charging indicator light and a case indicator light. It comes with an aluminum box, specification, experience axis, supplement key cap, custom spring wire, and space bar silencer cotton.

Product Usage Instructions

To switch to a MAC system, flip the switch to the MAC position. The system indicator will turn green.
To switch to a WIN system, flip the system conversion switch to the WIN position. The system indicator will turn red.
To connect via Bluetooth, long press fn+1/2/3 to enter pairing mode. The keyboard pairing name is CK75 5.0/CK75 3.0. Long press the corresponding button (1/2/3) and the white lamp will flash. After successful pairing, the button will stay on for 2 seconds and restore the backlight.
To connect via wired mode, long press fn+5 to put the keyboard into wired mode. Long press the back 5 button and the white light will flash. After successful pairing, the 5 key will stay on for 2 seconds and the backlight will be restored.
To switch to 2.4G mode, long press fn+4 to put the keyboard into 2.4G mode. Long press the back 4 button and the white light will flash. After successful pairing, the 4 key will stay on for 2 seconds.
To charge the keyboard, connect it to a power source. The charging indicator will light up green. The full lamp will go out when fully charged, and the low voltage red light will flash when the battery is low. The keyboard has different working currents and sustainable times depending on the lighting mode.
The keyboard has specific storage and use environment requirements. It should be stored in temperatures ranging from -20°C to +70°C and operated in temperatures ranging from -20°C to +60°C. The relative humidity should be between 30%RH and 95%RH in a non-condensing state.
To customize the keyboard, download the driver from the provided website or scan the QR code. The driver only supports customization in wired and 2.4G mode.
To switch the lighting effects, use the following key combinations:
- fn+: Enable the keyboard to adjust light mode
- fn+ <: Switch monochromatic colors
- fn+enter: Turn off/on the backlight

List of contents

Aluminum box × 1
Specification x 1
Experience axis × 4
Supplement key cap x 1
Double head key extractor 1
Custom spring wire x 1
Space bar silencer cotton y 1
CK 75 Mechanical keyboard × 1

Quick Start Guide

If you are a MAC user, flip the switch to switch to a MAC system (After the conversion is successful, the system indicator will turn green) If you are a WIN user, please flip the system conversion switch to WIN (The system indicator will turn red after the conversion is successful)

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fig-2

System indicator light
Charging indicator light
Case indicator light

Toggle switch

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fig-3

Power switch (built-in lithium battery)
System transfer switch

Bluetooth Connection

Long press fn+1/2/3 to enter pairing mode, The keyboard pairing name: CK75 5.0/CK75 3.0
Long press 1/2/3 button and the white lamp will flash.
After successful pairing, 1/2/3 button will keep on for 2 seconds and restore the backlight

Connecting wire

oolKiller-CK75-5-0-Transparent-Three-Mode-Mechanical-Keyboard-
fig-5

Long press fn+5 to put the keyboard into wired mode
Long press the back 5 button and the white light will flash.
After the pairing is successful, the 5 keys will keep on for 2 seconds, and the backlight will be restored

2.4Gmode

oolKiller-CK75-5-0-Transparent-Three-Mode-Mechanical-Keyboard-
fig-6

Long press fn+4 to put the keyboard into 2.4G mode
Long press the back 4 keys and the white light will flash.
After successful pairing, the 4 keys are on for 2 seconds

Switching Effect

fn+| Enable keyboard to adjust light mode
fn+< Switch monochromatic colors
fn+enter Turn off/on the backlight

Charge

Charging state The charging indicator lights up green, the full lamp goes out, and the low voltage red light flashes.

Lamp working current 250MA sustainable time about 15 hours (working all the time)
Lamp off working current 40MA sustainable time about 80 hours (always working)
Standby current 0.5MA Standby time about 180 days
Enter standby mode. Press any key to start the keyboard and enter working mode.

Back connection

Keyboard startup defaults to the last connected device
fn+1 (fn+2, fn+3) White slow flash connection
- The keyboard must have been paired with a modified device for this function

Storage And Use Environment

Storage temperature： -20℃~+70℃
Operating temperature： -20℃~+60℃
Storage humidity: Relative humidity in the non-condensing state30%RH~95%RH

Compatible system

Support operating system： WIN XP/WIN 7/WIN 8/WIN 10/Android/IOS/MAC

Custom driver

oolKiller-CK75-5-0-Transparent-Three-Mode-Mechanical-Keyboard-
fig-8

Scan code to download the driver or: www.coolkiller.cn
Warm tip: The driver only supports wired and 2.4G mode customization

Troubleshooting

Make sure your product’s USB wireless receiver is properly plugged into the USB port on your computer.
Ensure that the computer meets system requirements.
The product and the wireless receiver are beyond the effective connection distance, please reduce the distance between the product and the receiver.