As you can see from the image of the XV-Z30000 projector's control panel, it consists of a long row of small buttons. The control panel is complemented with three indicator lights that, instead, are located on the top of the projector (more universally visible if you ceiling mount.
No real surprises with the control panel options, so we'll start at the back of the side with the Power button (press once for on, twice to power down). Moving toward the front, the next button brings up the Lens menu, allowing control of zoom, focus, and lens shift (each of which have their own buttons on the remote control).
Next come buttons relating to navigation, with Return, and Enter, followed by four navigation arrow buttons: Down, Up, Left and Right.
When you are not in the menu system, however, the Up and Down arrow buttons move you (up or down) through the input choices.
Further to the right, next comes the obviously important Menu button. That's followed by one for Keystone correction (which you hopefully won't need, considering the vertical and horizontal lens shift offered. After that, the last two buttons are to toggle 3D, and Resize, which is for when working with analog computer inputs.
That's it. Not as easy to "navigate" the control panel as more traditional ones, ones not restricted to a straight line of buttons, but it is adequate, especially since you've got a good remote control. Most of us would prefer a more two dimensional layout, such as the arrow keys in a diamond configuration, with the Enter button in the middle.
Ultimately, no problems with using the control panel.