Toshiba Pocket PC e750 - Manual (Page 60)

Basic Skills
User's Manual 2-40
ENGLISH using Euro_C.dot –– Printed on 17/02/2003 as e750
4 Select CPU speed tab to set the CPU performance. To conserve
battery power, select 200 MHz. Note: this will decrease performance.
Tap Apply to change the setting, then the confirmation screen is
displayed.
If you tap YES, your LCD screen will become black and come back in
a few seconds, and then the setting has changed.
If you tap No, the setteing has not changed.
5 When finished, tap OK to return to the System tab screen.