1. Introduzione
This manual provides instructions for the proper setup, operation, and maintenance of your ELECOM HUGE Wireless Trackball Mouse (Model: M-HT1DRBK). Please read this manual thoroughly before using the product to ensure optimal performance and longevity.
2. Ciò chì hè in a scatula
- ELECOM HUGE Wireless Trackball Mouse
- Ricevitore USB
- Batteria AA (x2)
- Manuale d'uso (stu documentu)
3. Setup
3.1. Installazione di batterie
- Truvate u compartimentu di a batteria sottu à u mouse trackball.
- Aprite a tappa di u compartimentu di a batteria.
- Inserite e duie batterie AA, assicurendu a polarità curretta (+/-).
- Chiudere in modu sicuru u coperchiu di u compartimentu di a batteria.
3.2. Cunnessione di u ricevitore USB
The USB receiver is stored within the trackball mouse for convenience during transport.
- Remove the USB receiver from its storage slot on the underside of the trackball mouse.
- Plug the USB receiver into an available USB port on your computer (PC or Mac).
- Turn on the trackball mouse using the power switch located on the underside. The mouse should be automatically recognized by your operating system.

Figura 1: Inserting the USB receiver into the storage slot on the underside of the trackball mouse.
3.3. Software Installation (Mouse Assistant)
For full customization of the 8 programmable buttons and advanced features, it is recommended to install the ELECOM Mouse Assistant software.
- Visit the official ELECOM websitu.
- Navigate to the 'Support' or 'Downloads' section and locate 'Mouse Assistant'.
- Scaricate a versione adatta per u vostru sistema operativu (Windows o macOS).
- Segui l'istruzzioni nantu à u screnu per compie a stallazione.

Figura 2: Example of the ELECOM Mouse Assistant software interface for button customization.
4. Operating Instructions
4.1. Basic Cursor Control
The ELECOM HUGE trackball is designed for index finger control, providing precise cursor movement. Use your index finger to roll the 52mm trackball to move the cursor on the screen.

Figura 3: Demonstrating index finger control for precise cursor movement.
4.2. Ajustamentu DPI
The trackball features a DPI button to adjust cursor speed. You can switch between three DPI settings: 500 (LOW), 1000 (MID), and 1500 (HIGH) DPI. Press the DPI button to cycle through these settings and find your preferred cursor speed.
4.3. Buttoni programmabili
The trackball is equipped with 8 physical buttons, including the scroll wheel with tilt functionality. These buttons can be customized using the ELECOM Mouse Assistant software to perform various functions, such as application shortcuts, media controls, or custom macros.

Figura 4: Overview of the 8 programmable buttons and their locations.
4.4. Ergonomic Design and Palm Rest
The trackball features an ergonomic angled design and a large, soft palm rest to support your hand and wrist in a natural position, promoting comfort during extended use.

Figura 5: The soft rubber palm support integrated into the trackball design.
5. Mantenimentu
5.1. Trackball Cleaning
To maintain smooth operation, periodically clean the 52mm trackball and its ruby bearings. Dust and debris can accumulate and affect performance.
- Turn off the trackball mouse.
- Locate the ball removal hole on the underside of the device.
- Gently push the trackball out through this hole.
- Wipe the trackball with a soft, lint-free cloth.
- Clean the three ruby ball bearings and the inside of the trackball housing with a cotton swab or a soft brush to remove any dust or debris.
- Reinsert the trackball into the housing until it clicks into place.

Figura 6: Illustration of the smooth ruby bearings and the trackball removal process.
6. Risoluzione di prublemi
6.1. Cursor Not Moving or Erratic
- Verificate e batterie: Ensure batteries are correctly installed and have sufficient charge. Replace if necessary. The trackball has a battery remaining light lamp.
- Verificate u ricevitore USB: Assicuratevi chì u ricevitore USB sia ben cunnessu à una porta USB funzionale. Pruvate una porta USB diversa.
- Trackball pulitu: Refer to Section 5.1 for instructions on cleaning the trackball and bearings.
- Interferenza: Move the trackball closer to the USB receiver or away from other wireless devices that might cause interference.
6.2. I buttoni ùn rispondenu micca
- Verificazione di u software: If using custom button assignments, ensure the ELECOM Mouse Assistant software is running and configured correctly.
- Ripairà u dispusitivu: In rare cases, re-pairing the device with the USB receiver might resolve the issue. Consult the ELECOM support websitu per istruzioni specifiche.
7. Specificazioni
| Numero di mudellu | M-HT1DRBK |
| Connettività | 2.4GHz Wireless USB |
| Impostazioni DPI | 500 / 1000 / 1500 DPI (scambiabile) |
| Bottoni | 8 (Programmable) + Scroll Wheel with Tilt |
| Dimensione di a sfera di tracciamentu | 52 mm |
| Fonte d'energia | 2 x batterie AA (incluse) |
| Cumpatibilità di u Sistema Operativu | Windows 7, 8, 10 or later; macOS 10.13 or later |
| Dimensioni (LxPxH) | 7.16 x 4.52 x 2.25 inch (181.9 x 114.7 x 57.2 mm) |
| Pesu (senza batteria) | 9.2 oz (260 g) |
8. Garanzia è Support
ELECOM products are designed for reliability and performance. For warranty information, technical support, or to download the latest software and drivers, please visit the official ELECOM website or contact ELECOM customer service.
ELECOM ufficiale Websitu: https://www.elecom.co.jp/global/





