Martel Electronics 3001 - Manual (Page 65)

*OPC IEEE-488 RS-232 Sequential Overlapped
Operations Complete command. This command sets bit 0 (OPC) of the Event Status
Register to 1 when all pending device operations are complete. Also see the *ESR?
command.
Parameter: <None>
Response: <None>
Example: *OPC
This example sets bit 0 of the Event Status Register to 1 when all
pending device operations are done.
*OPC? IEEE-488 RS-232 Sequential Overlapped
Operations Complete query. This command returns a 1 after all pending 3001 operations
are complete. This command does not respond until all pending 3001 operations are
complete, causing the control program execution to pause until operations are complete.
Also see the *WAI command.
Parameter: <None>
Response: 1
Example: *OPC?
1
This example does not respond until all pending 3001 operations are
complete, and then returns 1.
OPER IEEE-488 RS-232 Sequential Overlapped
This command places the 3001 in operate mode, activating the output at front panel
terminals. This command acts the same as pressing the front panel key when in
standby mode.
Parameter: <None>
Response: <None>
Example: OPER
This example connects the selected output to the 3001 front panel
terminals. It also indicates Opr on the display.
X X X
X X X
X X X
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