Toshiba PORTEGE R700 - Manual (Page 125)

Press FN + F12 ( ScrLock ) to lock the cursor on a specific line. The power
on default is off.
Hot keys
Hot keys (pressing FN + a function or ESC key) let you enable or disable
certain features of the computer.
+
Mute: Pressing FN + ESC turns the volume on and off.
+
Lock: Pressing FN + F1 enters ''Lock computer mode''. To restore your
desktop, you need to log on again.
+
Power Plan: Pressing FN + F2 changes the power settings.
+
Sleep: Pressing FN + F3 switches the system to Sleep Mode.
+
Hibernate: Pressing FN + F4 switches the system to Hibernation Mode.
+
Output: Pressing FN + F5 changes the active display device.
To use a simultaneous mode, you must set the resolution of the internal
display panel to match the resolution of the external display device.
+
Brigtness Down: Pressing FN + F6 decreases the computer's display
panel brightness in individual steps.
+
Brigtness Up: Pressing FN + F7 increases the computer's display panel
brightness individual steps.
+
PORTÉGÉ R700 / Satellite R630
User's Manual 5-3