Introduzione
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.
Lista di imballaggio
Assicuratevi chì tutti l'articuli sianu presenti in u pacchettu:
- Number Pad * 1
- Ricevitore USB * 1
- Cavo di ricarica Type-C * 1
- Manuale d'Usuariu * 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.
Funzioni di u produttu
- 34 Keys Full-Size Number Pad: Includes calculator key, PgUp, PgDn, Insert, Delete, Backspace, etc.
- Connettività doppia: 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).
- Bassa Profile Scissor-switch Keys: Provides a quiet and responsive typing experience.
- Carica USB-C: Built-in rechargeable lithium battery with 250 hours of standby time after 2 hours of full charge.
- Ampia cumpatibilità: Compatible with Windows 8, 10, 11 and Mac OS.
Caratteristiche principali Visuali

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.

Imagine: Un primu pianu 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.
Configurazione è Cunnessione
The EK04 N offers two connection methods: 2.4G USB and Bluetooth. You can connect up to two devices simultaneously.
Cunnessione USB 2.4G
- 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.
- Pigliate u ricevitore USB da u fondu di u pad numericu.
- 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.
Cunnessione Bluetooth
- 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). Cerca 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.
Cambia trà i dispositi
After channels are connected, press the corresponding channel button (2.4G or Bluetooth) to switch between the two connected devices.
Istruzzioni di funziunamentu
The EK04 N numeric keypad provides a full range of numeric and function keys for efficient data entry and navigation.
Funzioni chjave
| Chjave | Funzione Windows | Funzione Mac OS |
|---|---|---|
| 2.4G Channel Button | Canale 2.4G | / |
| Bluetooth Channel Button | Canale Bluetooth | Canale Bluetooth |
| Calculator/Search Button | Calculatrice | Search |
| NumLK/Clear Button | NumLK | Chjara |
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: Un overview of the EK04 N Ergonomic Number Pad, showcasing its design and key features in a 30-second clip.
Guida di carica
- Quandu a batteria hè bassa, l'indicatore rossu di batteria bassa lampeggia finu à chì u tastieru numericu si spegne.
- 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.
Maintenance and Safety Warnings
- Sicurezza di carica: Aduprate solu u cavu furnitu. Caricate in un locu ben ventilatu è asciuttu, luntanu da materiali inflammabili.
- Trattamentu di a batteria: Do not attempt to replace the item's lithium battery. Battery replacement should be conducted by qualified personnel to prevent hazards.
- Esposizione à u calore: Evitate di lascià l'articulu in ambienti à alta temperatura o in luce diretta di u sole, chì puderia causà un periculu d'incendiu.
- Esposizione liquida: Tenite l'articulu luntanu da l'acqua è da i liquidi. Ùn aduprate micca s'ellu hè bagnatu finu à ch'ellu sia cumpletamente asciuttu.
- Danni è perdite: Smette di usà l'articulu è cunsultate u serviziu clienti se l'articulu hè dannighjatu o se a batteria perde.
- Eliminazione curretta: Seguitate e regulazioni lucali per u smaltimentu di i dispusitivi elettronichi è di e batterie. Ùn ghjittà micca cù i rifiuti domestichi.
- Interferenza di Frequenza Radio: Stu dispusitivu pò causà interferenze cù altri apparecchi elettronichi. Mantene una distanza sicura da i dispusitivi sensibili.
- Sicurezza di u zitellu: Tenite l'articulu è i so cumpunenti fora di a portata di i zitelli per evità periculi di suffucazione o d'ingestione di batterie. Ùn lasciate mai i zitelli manipulà l'articulu senza surveglianza.
- ATTENZIONE: U mancatu rispettu di l'avvertimenti sopra citati pò purtà à ferite gravi o danni materiali.
Risoluzione di i prublemi (Dumande è risposte)
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?
- U volumi di carica nominalitage 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.
Specificazioni di u produttu
| Parametru | Valore |
|---|---|
| Capacità batterie | 280 mAh |
| U travagliu Voltage | 3.7 V |
| Corrente di travagliu | ≤ 2.5 mA |
| Corrente Durmendu | ≤ 0.03 mA |
| Tempu di Standby | 100 ghjorni |
| Tempu di travagliu | 112 Ore |
| Tempu di carica | 2-3 ore |
| Wake Up Way | Appughjà ogni chjave |
| Dimensioni | 152 * 206 * 16.4 mm / 5.98 * 8.11 * 0.65 in |
| 2.4G Channel System Compatibility | Windows 7 à 11 |
| Bluetooth Channel System Compatibility | MacOS 10.10 or later, Windows 7 to 11 |
Modu di sonnu
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.
Garanzia è Supportu
ProtoArc offers a 2-Annu di Garanzia on this product, ensuring 100% coverage for manufacturing defects.
For any questions or assistance, please contact us at:
- E-mail: support@protoarc.com
- Telefonu: (+1) 866-287-6188
- Ore di funziunamentu: Monday-Friday: 10am-1pm, 2pm-7pm (Eastern Time)
- *Chjusu durante e vacanze

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





