Hitachi SH-G1000 - Manual (Page 108)

Section 2: Understanding Your Device
100 2D: Controlling Your Device’s Settings
Adjusting Power Settings
To confirm the battery power remaining and the time that elapses until
the power turns off after the last operation:
1. Tap , then Settings . On the System tab, tap Power .
2. Select Power settings.
3. Tap ok . The System tab screen is restored.