Einführung
Thank you for choosing the ProtoArc Wireless Number Pad EK04 N. This ergonomic numeric keypad is designed to enhance your productivity and comfort with its versatile connectivity options and thoughtful design. Please read this manual carefully to ensure proper use and to maximize your experience with the product.

Image: The ProtoArc Wireless Number Pad EK04 N, featuring a full 34-key layout and integrated wrist rest, positioned on a wooden desk alongside a laptop.
Packliste
Stellen Sie sicher, dass alle Artikel im Paket vorhanden sind:
- Number Pad * 1
- USB-Empfänger * 1
- Typ-C Ladekabel * 1
- Benutzerhandbuch * 1

Image: The ProtoArc EK04 N numeric keypad, USB receiver, and Type-C charging cable laid out next to the product box and user manual.
Produkteigenschaften
- 34 Keys Full-Size Number Pad: Includes calculator key, PgUp, PgDn, Insert, Delete, Backspace, etc.
- Duale Konnektivität: Supports Bluetooth 5.1 and 2.4G wireless connection, allowing connection to 2 devices simultaneously.
- Hard Palm Rest: Features a leather surface for extended typing comfort and wrist support. (Note: Not removable or soft cushioned).
- Niedriger Profile Scissor-switch Keys: Provides a quiet and responsive typing experience.
- USB-C-Aufladung: Built-in rechargeable lithium battery with 250 hours of standby time after 2 hours of full charge.
- Breite Kompatibilität: Compatible with Windows 8, 10, 11 and Mac OS.
Hauptmerkmale (Visuell)

Image: The EK04 N numeric keypad wirelessly connected to a laptop via 2.4G and a tablet via Bluetooth, demonstrating dual device connectivity.

Image: A hand comfortably resting on the hard, flat palm rest with a leather surface, highlighting the ergonomic design for wrist support.

Image: The numeric keypad shown with its adjustable tilt legs, offering two different angles for comfortable use while sitting or standing.

Image: A detailed diagram illustrating the full 34-key layout of the number pad, including special function keys like Insert, Home, PgUp, PgDn, NumLK, Delete, End, and arrow keys.

Bild: Eine Nahaufnahme view revealing the low-profile scissor-switch mechanism beneath a keycap, indicating quiet and comfortable typing.

Image: The ProtoArc EK04 N numeric keypad being charged via its USB-C port, with an indicator showing 2-3 hours for full charge and 100 days standby time.
Einrichtung und Anschluss
The EK04 N offers two connection methods: 2.4G USB and Bluetooth. You can connect up to two devices simultaneously.
2.4 G USB-Verbindung
- Turn the power switch on the number pad to ON.
- Press the 2.4G indicator button (usually marked with a Wi-Fi-like icon) until the indicator light illuminates.
- Nehmen Sie den USB-Empfänger an der Unterseite des Nummernblocks heraus.
- Plug the USB receiver into your computer's USB port. The number pad should connect automatically.

Image: A quick start guide diagram illustrating the steps to connect the EK04 N via 2.4G USB, including turning on power, pressing the 2.4G button, inserting the USB receiver into a computer, and confirming connection.
Bluetooth-Verbindung
- Turn the power switch on the number pad to ON.
- Press and hold the Bluetooth channel indicator button (usually marked with a Bluetooth icon) for 3-5 seconds until the indicator light flashes rapidly (Bluetooth pairing mode).
- Enable Bluetooth on your device (computer, tablet, or laptop). Suchen nach and select "ProtoArc EK04 N" to complete pairing and connection.

Image: A quick start guide diagram illustrating the steps to connect the EK04 N via Bluetooth, including turning on power, holding the Bluetooth button for 3 seconds, and pairing with a device.
Umschalten zwischen Geräten
After channels are connected, press the corresponding channel button (2.4G or Bluetooth) to switch between the two connected devices.
Bedienungsanleitung
The EK04 N numeric keypad provides a full range of numeric and function keys for efficient data entry and navigation.
Wichtige Funktionen
| Schlüssel | Windows-Funktion | Mac OS-Funktion |
|---|---|---|
| 2.4G Channel Button | 2.4G-Kanal | / |
| Bluetooth Channel Button | Bluetooth-Kanal | Bluetooth-Kanal |
| Calculator/Search Button | Kalkulator | Suche |
| NumLK/Clear Button | AnzahlLK | Klar |
The integrated wrist rest is designed to provide comfort and reduce strain during prolonged use. The low-profile scissor-switch keys offer a quiet and tactile typing experience.
Video: Ein überview of the EK04 N Ergonomic Number Pad, showcasing its design and key features in a 30-second clip.
Ladeanleitung
- Wenn die Batterie schwach ist, blinkt die rote Anzeige „Batterie schwach“, bis sich der Ziffernblock ausschaltet.
- To charge, insert the Type-C end into the number pad and the USB-A end into your computer's USB port or a compatible USB charger. The red indicator remains solid during charging.
- A full charge takes 2-3 hours. The indicator turns green when charging is complete.

Image: A diagram illustrating how to charge the EK04 N numeric keypad using the provided USB-C cable, showing the charging port and indicator light status.
Wartungs- und Sicherheitshinweise
- Ladesicherheit: Verwenden Sie nur das mitgelieferte Kabel. Laden Sie das Gerät in einem gut belüfteten, trockenen Bereich und fern von brennbaren Materialien auf.
- Batteriehandhabung: Do not attempt to replace the item's lithium battery. Battery replacement should be conducted by qualified personnel to prevent hazards.
- Hitzeeinwirkung: Vermeiden Sie es, den Artikel in Umgebungen mit hohen Temperaturen oder direkter Sonneneinstrahlung liegen zu lassen, da dies zu Brandgefahr führen kann.
- Flüssigkeitsexposition: Halten Sie den Artikel von Wasser und Flüssigkeiten fern. Verwenden Sie ihn erst, wenn er nass ist und vollständig getrocknet ist.
- Schäden und Leckagen: Stellen Sie die Verwendung ein und wenden Sie sich an den Kundendienst, wenn der Artikel beschädigt ist oder die Batterie ausläuft.
- Richtige Entsorgung: Befolgen Sie die örtlichen Vorschriften zur Entsorgung von elektronischen Geräten und Batterien. Entsorgen Sie diese nicht im Hausmüll.
- Hochfrequenzstörungen: Dieses Gerät kann Störungen anderer elektronischer Geräte verursachen. Halten Sie einen Sicherheitsabstand zu empfindlichen Geräten ein.
- Kindersicherheit: Bewahren Sie den Artikel und seine Komponenten außerhalb der Reichweite von Kindern auf, um Erstickungsgefahr oder das Verschlucken der Batterien zu vermeiden. Lassen Sie Kinder niemals unbeaufsichtigt mit dem Artikel hantieren.
- VORSICHT: Die Nichtbeachtung der oben genannten Warnhinweise kann zu schweren Verletzungen oder Sachschäden führen.
Fehlerbehebung (Fragen und Antworten)
How to deal with disconnection issues, keys repeating or typing delay?
- Please ensure that the number pad is fully charged. A low battery can affect the performance of the number pad.
- If using a USB dongle to connect the number pad to the device, unplug and replug the USB dongle, trying a different USB port if necessary.
- If connecting the number pad to the device via Bluetooth, delete the Bluetooth connection from your device's Bluetooth connection list, and restart your device and re-pair the number pad by following the steps in the user manual.
- If the issues persist, try to connect the number pad to other devices to check if the same issues occur and don't hesitate to contact our customer service for assistance.
How to deal with the number pad can not charge?
- Das Nennladevoltage for the number pad is 5V. It is recommended to use the computer's USB port for charging, and using a charger is not recommended.
- Try to change another USB-C cable to recharge, in order to confirm whether it is a cable issue or a fault with the number pad.
How to deal with the key falls off the number pad?
If the key falls off the number pad and can't be installed back, please don't hesitate to contact our customer service for assistance.
Produktspezifikationen
| Parameter | Wert |
|---|---|
| Batteriekapazität | 280 mAh |
| Arbeitsvolumentage | 3.7 V |
| Arbeitsstrom | ≤2.5 mA |
| Schlafstrom | ≤0.03 mA |
| Standby-Zeit | 100 Tage |
| Arbeitszeit | 112 Stunden |
| Ladezeit | 2-3 Stunden |
| Weg zum Aufwachen | Drücken Sie eine beliebige Taste |
| Maße | 152 * 206 * 16.4 mm / 5.98 * 8.11 * 0.65 Zoll |
| 2.4G Channel System Compatibility | Windows 7 bis 11 |
| Bluetooth Channel System Compatibility | MacOS 10.10 or later, Windows 7 to 11 |
Schlafmodus
1. When the number pad is not used for more than 60 minutes, it will automatically enter into sleep mode and the indicator light will turn off.
2. When using the number pad again, just press any key, the number pad will wake up within 3 seconds, and the lights come back on and the number pad starts working.
Garantie und Support
ProtoArc offers a 2 Jahr Garantie on this product, ensuring 100% coverage for manufacturing defects.
For any questions or assistance, please contact us at:
- E-Mail: support@protoarc.com
- Telefon: (+1) 866-287-6188
- Öffnungszeiten: Monday-Friday: 10am-1pm, 2pm-7pm (Eastern Time)
- *Während der Feiertage geschlossen

Image: A card detailing ProtoArc's 2-year warranty and customer support contact information, including email and phone number.





