Polaroid Polaview 305 manual When you press the center of the MouseDisk, it functions

Using the projector 47

MouseDisk	When you press the center of the MouseDisk, it functions
	like a mouse click. When you press the edges of the Mouse
	Disk, it functions like an arrow key.
	In the Draw tool, this key toggles between Draw and Move
	modes. It also controls the mouse pointer. In Adobe Acrobat
	Player System dialog boxes, press the edges of this button
	to move the mouse pointer, and the center to select options.
MUTE key	Use the MUTE key to turn off the sound from the internal or
	external speakers. Press it again to restore the sound.
MENU key	Press the MENU key to activate the on-screen menus. Press
	it again to exit the menus.
(Lamp on/off)	This key turns the lamp on and off. On the remote control,
	press and release this key once quickly to display a black
	screen. To turn the lamp off, press and hold this key for at
	least two seconds. This key does not turn off the projector.
Arrow keys	When the projector menus are displayed, the arrow keys on
(control panel only)	the control panel move the mouse pointer from menu to
	menu (left and right arrow) and to items on the current
	menu (up and down arrow).
	When the projector menus are not displayed, these keys
	pan or position the image in computer or video mode.
	When the Adobe Acrobat Player System menus are dis-
	played, these keys navigate those menus and dialog boxes.
SCALE/	The SCALE key enables you to fit a projected image on the
(Adobe Acrobat	screen while your system displays at a higher resolution.
Player System)	Press this key to scale images larger than 1024 x 768 or to
	enlarge 640 x 480 images. Press this key a second time to
	return to the normal display.
	In the Adobe Acrobat Player System mode, this button has
	multiple functions. See your Adobe Acrobat Player System
	user’s guide for more information.