You can use a 3-button mouse to slew the mount using a special slew pad window.
Open up the slew pad window by click on the [Pad] button in the lower left of the slew controls.
Using the slew pad and mouse to control mount (continued)
Use a 3-button mouse with the tracking ball removed for the slew control. You will only be using the buttons to control the mouse and you need the mouse to stay within the slew pad. Removing the trackball will mean you won't need to concerned about moving the mouse out of the slew pad area as you use it to slew the mount.
Position the mouse within the slew pad area (with your regular mouse). Use the modified mouse to slew the mount.
The left button is used for West & North
The right mouse button is used for East & South
The middle button toggles the modes of the left & right buttons.
If the middle button does not toggle the modes as expected, you may have to go into your windows mouse setup and assign the middle button to just “middle button”. It may have been set to some other function such as “double click” or “help” or “minimize” etc.
Use the mouse to open the slew pad by clicking the [Pad] button.
Click anywhere within the slew pad (the middle is probably the safest in case you accidentally move the mouse while slewing the mount)
Use the mouse buttons to control the mount. Try to avoid moving the tracking ball so the screen mouse stays within the slew pad.
Use your regular mouse to open the slew pad by clicking the [Pad] button.
Using the regular mouse, click anywhere within the slew pad.
Use the modified mouse to control the mount