RIGOL DP832A - Manual (Page 124)

RIGOL Chapter 2 Front Panel Operations
2-70 DP800A User’s Guide
6. Press OTP repeatedly to enable or disable the over-temperature function of the
instrument.
7. Press OK to save the current user-defined setting.
You can also press Default to restore the parameters of the user-defined setting to
the default.
Option
Press Utility  Option to enter the option interface and you can view the option
installation information. For DP800A series power supply, the six options listed in the
option interface are installed when the instrument leaves factory and users do not
need to install them.