Elecom M-IT11DR Series User Manual page 14

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.