ProtoArc K90-A

ProtoArc K90-A Backlit Compact Wireless Keyboard User Manual

Model: K90-A | Brand: ProtoArc

Introducció

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.

ProtoArc K90-A Backlit Compact Wireless Keyboard in White Silver

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

Què hi ha a la caixa

  • 1 x Teclat Bluetooth
  • 1 x cable de càrrega tipus C
  • Manual d'usuari

Guia de configuració

1. Càrrega del teclat

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.
  • Connecteu l'altre extrem del cable a una font d'alimentació USB.
  • A full charge typically takes 3-4 hours. The keyboard offers 150-200 days of standby time.
Close-up of ProtoArc K90-A keyboard showing USB-C charging port with cable inserted.

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

2. Encès / apagat

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. Emparellament Bluetooth

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

  1. Enceneu el teclat.
  2. Premeu el botó Fn key simultaneously with either Q, W, o 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 Configuració de Bluetooth.
  4. Cerca "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.
ProtoArc K90-A keyboard connected to a MacBook, iPad, and iPhone, illustrating multi-device connectivity.

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.

Instruccions de funcionament

1. Canviar entre dispositius connectats

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

2. Control de la llum de fons

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

  • Premeu 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.
Close-up of ProtoArc K90-A keyboard with illuminated keys, showing three adjustable brightness levels.

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

3. Tecles multimèdia i de funció

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).

Funcions clau multimèdia
Combinació de teclesFunció
Fn + F1Light decreased (Backlight)
Fn + F2Light increased (Backlight)
Fn + F3Finestra de visualització
Fn + F4Launchpad
Fn + F7Pista anterior
Fn + F8Reprodueix i posa en pausa
Fn + F9Pista següent
Fn + F10Silenciar
Fn + F11Baixa el volum
Fn + F12Puja el volum
Botó d'engegada (premció llarga)Pop-up window to select shutdown (for Mac)
Botó d'engegada (pressió curta)Screen lock (for iOS)
ProtoArc K90-A keyboard showing multimedia keys and their functions.

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

4. Experiència de mecanografia

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.

Hands typing on the ProtoArc K90-A keyboard, highlighting its low-profile scissor switch keys and large keycaps for fast, accurate, and quiet typing.

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

Manteniment

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

  • Neteja: 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.
  • Emmagatzematge: Quan no l'utilitzeu durant períodes prolongats, guardeu el teclat en un lloc sec i fresc, allunyat de la llum solar directa i de temperatures extremes.
  • Cura de la bateria: To maintain battery health, avoid fully discharging the keyboard frequently. Charge it when the battery indicator is low.
  • Protecció: Consider using a keyboard cover (if provided or purchased separately) to protect against dust and spills.

Resolució de problemes

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

  • El teclat no es connecta:
    • Assegureu-vos que el teclat estigui encès i completament carregat.
    • 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.
    • Prova de desvincular i tornar a vincular el teclat des de la configuració de Bluetooth del dispositiu.
    • Reinicieu tant el teclat com el dispositiu.
  • Les tecles no responen:
    • Check if the keyboard battery is low and charge it.
    • Assegureu-vos que el teclat estigui connectat correctament mitjançant Bluetooth.
    • Netegeu els voltants de les tecles afectades per eliminar qualsevol residu.
  • La retroiluminació no funciona:
    • 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.
  • Autonomia curta de la bateria:
    • Reduce backlight brightness or turn it off when not needed.
    • Assegureu-vos que el teclat estigui completament carregat abans d'utilitzar-lo.
    • 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.

Especificacions

CaracterísticaDetall
MarcaProtoArc
Número de modelK90-A
Tecnologia de connectivitatBluetooth
Dispositius compatiblesMacBook, MacBook Pro, MacBook Air, MacBook Neo, iMac, Mac, Mac Pro, Mac Mini, iPad, iPad Pro, iPad Mini, iPad Air (Mac OS 10.12+, iOS & iPadOS 13.0+)
Descripció del teclatMultimedia, Compact Layout without Numeric Keypad
Característiques especialsBacklit Keyboard (3 levels), Hotkeys and Media Keys, Rechargeable, Low-Profile clau
ColorPlata Blanca
Suport de color de retroil·luminació del teclatSingle Color (Soft White LED)
MaterialMetàl·lic
Pes de l'article1.48 lliures
Dimensions del paquet11.85 x 6.42 x 1.34 polzades
BateriaBateria recarregable de 1200 mAh integrada
Mode de repòs automàticDesprés de 60 minuts d'inactivitat
Side profile of the ProtoArc K90-A keyboard showing its slim design and dimensions.

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

Comparison image showing the ProtoArc K90-A compact keyboard next to a larger K110-A full-size keyboard, with an iPad for scale.

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

Garantia i Suport

ProtoArc products are designed for reliability and performance. For warranty information and customer support, please refer to the official ProtoArc weblloc web o contacteu directament amb el servei d'atenció al client. Conserveu el rebut de compra per a reclamacions de garantia.

Per obtenir més ajuda, visiteu el ProtoArc Store on Amazon.

© 2026 ProtoArc. Tots els drets reservats.

Ask a question about this manual

Ask about setup, troubleshooting, compatibility, parts, safety, or missing instructions. Manuals+ will review the question and use this page’s manual context to help answer it.

After a successful submission, we securely hash the supplied account or form email before sending it to Microsoft Advertising for conversion attribution. Privacy details.