Elecom EX-G Trackball
Elecom EX-G Trackball series came out starting in 2014. Second generation came out in 2015-10.
There are left-handed version, right-handed version, and also wired and wireless versions.
![Elecom EX-G Trackball MX8q-s1200](itb/Elecom_EX-G_Trackball_MX8q-s1200.jpg)
![Elecom EX-G Trackball ccxv-s1200](itb/Elecom_EX-G_Trackball_ccxv-s1200.jpg)
![elecom ex-g trackball xvPZc](itb/elecom_ex-g_trackball_xvPZc.jpg)
- Wireless via USB transceiver.
- 1 AA battery.
- 6 buttons. (left, right, middle (wheel), left top 2, pinky)
- Scroll wheel can tilt left/right. Can also be pressed, as 3rd button.
Hold the pinky strip button slow down DPI.
Ball Size
Ball diameter: 34 mm.
Software to Reprogram Buttons
However, software are available to reprogram the buttons, for Microsoft Windows and Mac.
![elecom ex-g trackball software](itb/elecom_ex-g_trackball_software.jpg)
download Elecom Mouse Assistant at http://www.elecom.co.jp/global/download/utility/mouse_assistant/
Work in Linux?
As of 2021-10-16, all buttons works on linux out of the box. Linux kernel dated before 2019-05-30, the pinky button may not work.
the M-XT3DR model is NOT fully functional in Linux out of the box; the rightmost button isn't detected at any level, and “right click” comes mapped to the middle button. — user Trilkhai, 2017-02-11
The top left 2 buttons are browser back and forward.
You can remap mouse buttons in Linux using xinput
.
[see Linux: Swap Mouse Buttons]
Size Comparison
![elecom ex-g logitech m570 trackball 99035-s1049x610](itb/elecom_ex-g_logitech_m570_trackball_99035-s1049x610.jpg)
![elecom ex-g logitech m570 trackball p77vc-s1163x421](itb/elecom_ex-g_logitech_m570_trackball_p77vc-s1163x421.jpg)
Left-Handed Version
![elecom wireless trackball lefthanded M-XT 87](itb/elecom_wireless_trackball_lefthanded_M-XT_87.jpg)
Model Numbers and Differences
- Elecom M-XT1DRBR
- First generation. Wireless.
- Elecom M-XT1URBK
- First generation. Wired. Buy at amazon
- Elecom M-XT2DRBR
- Second generation. Hold the pinky button to slow down cursor. Hardware function.
- Elecom M-XT3DRBK
- Wireless. No hold pinky button to slow down feature. Buy at amazon
- Elecom M-XT3URBK
- Wired. Buy at amazon
- Elecom M-XT4DRBK
- Left handed version. Wireless. Buy at amazon