Trackball & Mouse View Control

I have an iMac with mouse and a Logitech trackball. In perspective mode, I can use the mouse to rotate the camera for a top down view and rotate it. However, I cannot find a way to zoom in and out or to move the camera laterally across the landscape. None of the key / mouse combination in the editor documentation seem to work. And, I cannot fine where the wsad keys might be configured. The trackball does not work any better, although the wheel seems to zoom the camera, but exceedingly slowly.

@anonymous_user_8932ba9e With a normal mouse, just slide the mouse forward to move across the landscape. I don’t know how that translates to a trackball, I assume ‘roll forwards’. Also this setting will affect the speed the movement happens at: