Keysight E36731A Manuel D'instructions page 81

To program a low-voltage limit (under-voltage inhibit) of 2 V, and enable the inhibit mode:
VOLT:INH:VON 2, (@1)
VOLT:INH:VON:MODE LIVE, (@1)
To clear protection:
INP:PROT:CLE (@1)
Keysight E36731A User's Guide 81