ProtoArc EK04 Ergonomic Keyboard User Manual

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Plug the USB receiver into the USB port of the computer, then the keyboard and number pad can work normally.

When the battery is low, the low battery red indicator starts flashing until the keyboard/number pad turns off.
Plug the Type-C port into the keyboard/number pad and the USB-A port into the computer to charge. The red indicator light stays on while charging.

It takes 2-3 hours to fully charge. The indicator light turns green when fully charged.

Note: The FN function is for alternate commands (FI-F12 & multimedia functions are dual-use keys).

Main Keyboard:

Numeric Keypad:

Sleep Mode

When the keyboard and number pad is not used for more than 10 minutes, it will automatically enter into sleep mode and the indicator light will turn off.

When using the keyboard and number pad again, just press any key, the keyboard will wake up within 2 seconds, and the lights come back on and the keyboard starts working.

IMPORTANT: To reduce risk of fire, electric shock, or injury, follow these safety instructions.

Charging Safely: Use only the provided cable. Charge in a well-ventilated, dry area away from inflammable materials.
Battery Handling: Do not attempt to replace the item’s lithium battery. Battery replacement should be conducted by qualified personnel to prevent hazards.

Heat Exposure: Avoid leaving the item in high-temperature environments or in direct sunlight, which could result in a fire hazard.
Liquid Exposure: Keep the item away from water and liquids. Do not use if wet until thoroughly dried.
Damage and Leakage: Cease usage and consult customer service if the item is damaged or the battery leaks.
Correct Disposal: Follow local regulations for disposing of electronic devices and batteries. Do not dispose of with household waste.
Radio Frequency Interference: This device may cause interference with other electronics. Keep a safe distance from sensitive devices.
Child Safety: Keep the item and its components out of reach of children to avoid choking or battery ingestion hazards. Never allow children to handle the item unsupervised.

CAUTION: Non-compliance with the above warnings can lead to serious injury or property damage.

For further assistance or information, please contact our customer service.

Emergency Contact: +1 866-287-6188 (United States)

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Address: Floor 2, Building A1, Zone G, Democratic West Industrial Zone, Democratic Community, Shajing Street, Bao’an District, Shenzhen City, Guangdong Province, China, 518104 European