Compliant model: M-IT10UR, M-IT11UR
Trackball
① Left button
To left click on your PC.
② Right button
To right click on your PC.
③ Wheel
Rotate forward and backward or click like a button to operate your PC.
④ “Back” button
Performs the “Back” function on the Web browser.
⑤ “Forward” button
Performs the “Forward” function on the Web browser.
You will need to install the “ELECOM Mouse Assistant Mac version” from our website to use the “Back” and “Forward” button on Mac. Refer to “Install ELECOM Mouse Assistant”.
⑥ Ball (36mm)
Rotate using your fingertips to move the cursor.
Separately sold ball
⑦ Support parts (bearings)
Support the ball.
Support parts are consumables. Compatible support parts can be purchased separately to replace existing support parts.
Optional Parts
⑧ Optical sensor (under the ball)
This sensor will detect the trackball’s movements when you move the trackball.
⑨ Ball removal hole
Push the ball out from here to clean the support parts in the housing.
* See "How to clean the trackball" for details.
⑩ USB connector (male)
Connects to the PC USB-A port
Removal tool
* See "How to replace support parts" for details.
Connecting to a PC
1) Start up a PC.
Please wait until your PC has started up and can be operated.
2) Plug the USB connector into the USB-A port on a PC.
You may use any USB-A port.
To remove the trackball
This product supports hot plugging. The trackball may be removed while your PC is in operation.
3) The driver is automatically installed and the trackball can be used.
You can now use the trackball.
By downloading and installing the "ELECOM Mouse Assistant" from our company website, functions such as button assignment function and presentation mode can be used. Please proceed to “Install ELECOM Mouse Assistant”.
Change the mouse pointer speed
Adjust the mouse pointer movement speed on your PC if the mouse pointer moves too fast or too slow.
■ For Windows 11
1) Click on “Start” on the bottom of the screen and click on “Settings”.
The “Settings” page will appear.
2) Click on “Bluetooth & devices” and then “Mouse”.
3) Adjust the “Mouse pointer speed” slider bar to adjust the mouse pointer movement speed.
■ For Windows 10
1) Open “Mouse” properties.
From the start menu, click the Settings icon, select “Devices” → “Mouse”, then click “Additional mouse options” under “Related Settings”.
2) Select the “Pointer Options” tab.
3) Adjust the “Select a pointer speed” slider bar to adjust the mouse pointer movement speed.
Change the number of lines scrolled in one wheel turn
■ For Windows 11
1) Click on “Start” on the bottom of the screen and click on “Settings”.
The “Settings” page will appear.
2) Click on “Bluetooth & devices” and then “Mouse”.
3) Adjust the “Lines to scroll at a time” slider bar to adjust the number of lines per scroll.
■ For Windows 10
1) Open “Mouse” properties.
From the start menu, click the Settings icon, select “Devices” → “Mouse”, then click “Additional mouse options” under “Related Settings”.
2) Select the “Wheel” tab.
3) Change the value of “The following number of lines at a time” under “Roll the wheel one notch to scroll”
Connecting to a PC
1) Start up a PC.
Please wait until your PC has started up and can be operated.
2) Plug the USB connector into the USB-A port on a PC.
You may use any USB-A port.
To remove the trackball
This product supports hot plugging. The trackball may be removed while your PC is in operation.
3) The driver is automatically installed and the trackball can be used.
You can now use the trackball.
By downloading and installing the "ELECOM Mouse Assistant" from our company website, functions such as button assignment function and presentation mode can be used. Please proceed to “Install ELECOM Mouse Assistant”.
Change the mouse pointer speed
Adjust the mouse pointer movement speed on your PC if the mouse pointer moves too fast or too slow.
1) Click “Mouse” under “System Settings”.
The “Mouse” settings page will load up.
2) Adjust the “Tracking speed” slider to adjust the speed of the mouse pointer.
Unchecking “Natural scrolling” will cause the scroll direction to be reversed.
Connecting to a PC
1) Start up a PC.
Please wait until your PC has started up and can be operated.
2) Plug the USB connector into the USB-A port on a PC.
You may use any USB-A port.
To remove the trackball
This product supports hot plugging. The trackball may be removed while your PC is in operation.
3) The driver is automatically installed and the trackball can be used.
You can now use this product.
Change the mouse pointer speed
Adjust the mouse pointer movement speed on your PC if the mouse pointer moves too fast or too slow.
1) Click on the battery icon at the bottom right.
2) Click on 
(settings) on the Quick Settings panel.
The settings page will appear.
3) Click on “Mouse and touchpad” under “Device”.
4) Adjust the “Mouse speed” slider to adjust the speed of the mouse pointer.
1) Use a finger (or a pen) to push the ball out from the under side.
2) Use a cotton bud or something similar to clean off the dust accumulated on the contact surfaces of the three support parts.
When cleaning around the optical sensor, take care not to damage the sensor.
3) Gently wipe off the dirt on the ball with a tissue.
Do not use alcohol, cleaning cloths and other such cleaning tools when cleaning the ball.
Cleaning will remove the pre-applied coat of oil on the ball's surface and cause the ball to function poorly.
4) Insert the ball into the trackball housing.
Inadequate oil on the surface of the ball may cause the ball to function poorly.
If the ball seems to function poorly, rub it in your hand for around 30 seconds.
The oil from your hand will improve how the ball functions.
When replacing the support parts, take care not to damage the sensor.
1) Use a finger (or a pen) to push the ball out from the under side.
2) Hold onto the included removal tool with your fingers and push it into the notch on the sides of the support part until you hear a click.
3) Pull the removal tool hard to remove the support part.
4) Fit the replacement support part into the inner catch.
5) Press the support part in with your finger until you hear a click.
6) Insert the ball into the trackball housing.
Try the following if the trackball operates abnormally.
① Please restart the connected device.
This product may become unstable depending on the condition of the connected device. Please restart the connected device.
② Please uninstall mouse drivers and configuration utilities other than this product for connected devices.
If you used the manufacturer's original driver or configuration utility for the trackball you were using before this product, please uninstall them in advance.
If third-party drivers are installed, this product may not work properly.
For instructions on how to uninstall, please refer to the instruction manual for your mouse that you have been using until now.
③ Update the OS of the connected device to the latest version.
If the OS version of the connected device is outdated, the trackball may become unstable. Please update to the latest version.
④ Check the energy saving settings on the connected device. (When using Windows® PC)
On Windows, in order to reduce power consumption depending on the PC, the power of the USB-connected product is set to turn off automatically.
You can change the settings in the following ways:
For Windows 11
1) Click the “Start” button at the bottom of the screen.
2) Click ”All apps”.
3) Click ”Windows Tools”.
The ”Windows Tools” screen will appear.
4) Double-click ”Control Panel”.
5) Click ”System and Security”.
6) Click ”Power Options”.
7) Click "Change plan settings" to the right of the item selected in "Power Plan".
8) On the ”Edit Plan Settings” screen, click “Change advanced power settings”.
9) On the ”Power Options” screen, click the ”+” mark in ”USB settings” from the list, and then click the ”+” mark in ”USB selective suspend setting”.
10) In the drop box next to ”Setting”, select ”Disabled”.
If you are using a laptop, there are two items instead of “Settings”: “On battery” and “Plugged in”. In that case, please set the “Plugged in” setting to “Disabled”.
11) Click "OK" to confirm the settings.
12) Click the “×” (close) in the upper right corner to close “Edit Plan Settings”.
1) Right-click the Start button at the bottom left of the screen, click “Power Options”, and then click “Additional power settings” under “Related settings” on the right side of the “Power & sleep” screen.
2) Click “Change plan settings” on the right side of the item selected in “Power Plan”.
3) On the “Edit Plan Settings” screen, click “Change advanced power settings”.
4) On the “Power Options” screen, click the “+” mark in “USB settings” from the list, and then click the “+” mark in “USB selective suspend setting”.
5) In the drop box next to “Setting”, select “Disabled”.
If you are using a laptop, there are two items instead of “Settings”: “On battery” and “Plugged in”. In that case, please set the “Plugged in” setting to “Disabled”.
6) Click “OK” to confirm the settings.
7) Click the “×” (close) in the upper right corner to close “Edit Plan Settings”.
