AMETEK XG Family Programmable DC - Manual (Page 169)

Remote Operation
M370430-01 Rev E 5-37
5
Operation Complete
The Operation Complete command causes the power supply to generate
the operation complete message in the Standard Event Status Register
when all pending operations have been finished. See bit 0 in Table 5-11
for more details.
Command:
*OPC, *OPC?
Wait-to-Continue Command
The Wait-to-Continue command prevents the power supply from
executing any further commands or queries until the
no-operation-pending flag is TRUE.
Command:
*WAI