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.

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.

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:
- Enceneu el teclat.
- 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.
- On your Mac, iPad, or iPhone, go to Configuració de Bluetooth.
- Cerca "ProtoArc K90-A" in the list of available devices and select it to connect.
- Once connected, the indicator light will stop flashing and remain solid for a few seconds.
- 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.
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.

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).
| Combinació de tecles | Funció |
|---|---|
| Fn + F1 | Light decreased (Backlight) |
| Fn + F2 | Light increased (Backlight) |
| Fn + F3 | Finestra de visualització |
| Fn + F4 | Launchpad |
| Fn + F7 | Pista anterior |
| Fn + F8 | Reprodueix i posa en pausa |
| Fn + F9 | Pista següent |
| Fn + F10 | Silenciar |
| Fn + F11 | Baixa el volum |
| Fn + F12 | Puja el volum |
| Botó d'engegada (premció llarga) | Pop-up window to select shutdown (for Mac) |
| Botó d'engegada (pressió curta) | Screen lock (for iOS) |

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.

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
| Característica | Detall |
|---|---|
| Marca | ProtoArc |
| Número de model | K90-A |
| Tecnologia de connectivitat | Bluetooth |
| Dispositius compatibles | MacBook, 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 teclat | Multimedia, Compact Layout without Numeric Keypad |
| Característiques especials | Backlit Keyboard (3 levels), Hotkeys and Media Keys, Rechargeable, Low-Profile clau |
| Color | Plata Blanca |
| Suport de color de retroil·luminació del teclat | Single Color (Soft White LED) |
| Material | Metàl·lic |
| Pes de l'article | 1.48 lliures |
| Dimensions del paquet | 11.85 x 6.42 x 1.34 polzades |
| Bateria | Bateria recarregable de 1200 mAh integrada |
| Mode de repòs automàtic | Després de 60 minuts d'inactivitat |

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.
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.
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