RIGOL DP832A - Manual (Page 52)

RIGOL
12 DP800A Quick Guide
9. Display Mode Switch/Return to the Main Interface
Switch between the current display (normal or waveform) mode
and dial display mode. Besides, in various function interfaces,
press this key to exit the current interface and return to the main
interface.
10. Menu Keys
The menu keys correspond to the menus above them. Press any
menu key to select the corresponding menu.
11. Power Switch Key
Turn on or off the instrument.