Toshiba PORTEGE R700 series - Manual (Page 221)

221 Hot Keys/TOSHIBA Cards
Hot key functions
5.375 x 8.375 ver 2.3
Zoom (Display resolution)
Keyboard hot key functions
or
Fn +
[Space bar]
This TOSHIBA Card or hot key switches screen resolution.
Selecting this Card or pressing the hot key displays the
following options:
(Sample Image) Screen resolution options
Cycle through the screen resolutions, then select the desired
resolution.
Fn + This hot key turns the scroll lock feature on and off.
Fn + This hot key turns the TOSHIBA Zooming Utility to
zoom out.
Fn + This hot key turns the TOSHIBA Zooming Utility to
zoom in.
Fn + This hot key decreases the speaker volume.
Fn + This hot key increases the speaker volume.