ProtoArc K90-A Backlit Compact Wireless Keyboard User Manual

Introduction

This manual provides detailed instructions for the ProtoArc K90-A Backlit Compact Wireless Keyboard. Designed for efficiency and portability, this keyboard offers seamless multi-device connectivity and a comfortable typing experience. It is compatible with Mac OS 10.12 or later, iOS & iPadOS (13.0 or above), including MacBook Pro, MacBook Air, MacBook Neo, iPad, and iPhone. Please note: Devices manufactured before 2013 or running macOS versions below 10.12 are not supported. This keyboard is not compatible with Linux, Windows, or Windows installed on Mac hardware.

Image: The ProtoArc K90-A keyboard, showcasing its compact design and white silver finish.

What's in the Box

• 1 x Bluetooth Keyboard
• 1 x Type-C Charging Cable
• User Manual

Setup Guide

1. Charging the Keyboard

Before initial use, fully charge your ProtoArc K90-A keyboard. The charging port is a USB-C type, located on the side of the keyboard. Use the provided Type-C charging cable.

• Connect the Type-C cable to the keyboard's charging port.
• Connect the other end of the cable to a USB power source.
• A full charge typically takes 3-4 hours. The keyboard offers 150-200 days of standby time.

Image: The USB-C charging port on the ProtoArc K90-A keyboard, with the charging cable connected.

2. Powering On/Off

Locate the power switch on the side of the keyboard. Slide it to the 'ON' position to power on the device. Slide it to 'OFF' to power it down.

3. Bluetooth Pairing

The ProtoArc K90-A keyboard supports up to 3 Bluetooth devices. Follow these steps to pair your device:

1. Turn on the keyboard.
2. Press the Fn key simultaneously with either Q, W, or E to select a Bluetooth channel (e.g., Fn+Q for channel 1). The corresponding indicator light will flash, indicating it's in pairing mode.
3. On your Mac, iPad, or iPhone, go to Bluetooth Settings.
4. Search for "ProtoArc K90-A" in the list of available devices and select it to connect.
5. Once connected, the indicator light will stop flashing and remain solid for a few seconds.
6. Repeat these steps for up to two additional devices using Fn+W and Fn+E.

Image: The ProtoArc K90-A keyboard demonstrating multi-device pairing with a MacBook, iPad, and iPhone.

Video: An official product video demonstrating the ProtoArc K90-A Backlit Bluetooth Keyboard for Mac, highlighting its features and connectivity.

Operating Instructions

1. Switching Between Connected Devices

To switch between your paired devices, simply press Fn + Q, Fn + W, or Fn + E, corresponding to the channel your device is paired to.

2. Backlight Control

The keyboard features three adjustable soft white LED brightness levels. To adjust the backlight:

• Press Fn + Shift to cycle through the brightness levels (Low, Medium, High, Off).
• The backlight will automatically turn off after a period of inactivity to conserve battery. Press any key to reactivate it.

Image: The ProtoArc K90-A keyboard with its backlit keys illuminated, demonstrating the adjustable brightness feature.

3. Multimedia and Function Keys

The keyboard includes dedicated multimedia and function keys for enhanced productivity. These keys are typically accessed by pressing the Fn key in combination with the desired function key (F1-F12).

Image: Diagram illustrating the multimedia and function keys on the ProtoArc K90-A keyboard.

4. Typing Experience

The K90-A features low-profile scissor mechanism keys, providing tactile feedback for fast and accurate input. The design ensures fluid and quiet typing, suitable for various work environments.

Image: A user typing on the ProtoArc K90-A keyboard, emphasizing the comfortable and quiet typing experience.

Maintenance

To ensure the longevity and optimal performance of your ProtoArc K90-A keyboard, follow these maintenance guidelines:

• Cleaning: Use a soft, lint-free cloth to wipe the surface of the keyboard. For deeper cleaning, a slightly damp cloth can be used, ensuring no moisture enters the keycaps or internal components. Avoid harsh chemicals or abrasive materials.
• Storage: When not in use for extended periods, store the keyboard in a dry, cool place away from direct sunlight and extreme temperatures.
• Battery Care: To maintain battery health, avoid fully discharging the keyboard frequently. Charge it when the battery indicator is low.
• Protection: Consider using a keyboard cover (if provided or purchased separately) to protect against dust and spills.

Troubleshooting

If you encounter issues with your ProtoArc K90-A keyboard, please refer to the following common solutions:

• Keyboard not connecting:
  • Ensure the keyboard is powered on and fully charged.
  • Verify that Bluetooth is enabled on your device (Mac, iPad, iPhone).
  • Make sure the correct Bluetooth channel (Fn+Q/W/E) is selected on the keyboard.
  • Try unpairing and re-pairing the keyboard from your device's Bluetooth settings.
  • Restart both the keyboard and your device.
• Keys not responding:
  • Check if the keyboard battery is low and charge it.
  • Ensure the keyboard is properly connected via Bluetooth.
  • Clean around the affected keys to remove any debris.
• Backlight not working:
  • Press Fn+Shift to cycle through brightness levels and ensure it's not turned off.
  • The backlight enters sleep mode after 60 minutes of inactivity; press any key to reactivate.
• Short battery life:
  • Reduce backlight brightness or turn it off when not needed.
  • Ensure the keyboard is fully charged before use.
  • The keyboard enters sleep mode after 60 minutes of inactivity to conserve energy.

If the issue persists, please contact ProtoArc customer support for further assistance.

Specifications

Image: The sleek, low-profile design of the ProtoArc K90-A keyboard, highlighting its thinness.

Image: A size comparison of the K90-A compact keyboard with a larger model, demonstrating its space-saving design.

Warranty and Support

ProtoArc products are designed for reliability and performance. For warranty information and customer support, please refer to the official ProtoArc website or contact their customer service directly. Keep your purchase receipt for warranty claims.

For further assistance, visit the ProtoArc Store on Amazon.