IEEE488.2 Command Reference
Universal Commands
EPM-P Series Power Meters Programming Guide
16-3
Universal Commands
DCL
The
DCL
(Device Clear) command causes all GPIB instruments, or
addressed instruments, to assume a cleared condition. The definition of
device clear is unique for each instrument. For the power meter:
• All pending operations are halted, that is,
*OPC?
and
*WAI
.
• The parser (the software that interprets the programming codes) is
reset and now expects to receive the first character of a programming
code.
• The output buffer is cleared.
GET
The
GET
(Group Execute Trigger) command triggers all channels that are
in the “wait-for-trigger” state.
Using the
*DDT
command may change the function of the
GET
command.
Error Message
If
TRIGger:SOURce
is not set to
BUS
then error -211, “Trigger ignored”
occurs.
If the power meter is not in the “wait-for-trigger” state then error -211,
“Trigger ignored” occurs.
GTL
The
GTL
(Go To Local) command is the complement to remote. It causes
the power meter to return to local control with a fully enabled front panel.
When reverting to local mode the power meter triggering is set to free run.
LLO
The
LLO
(Local Lock Out) command can be used to disable the front panel
local key. With this key disabled, only the controller (or a hard reset by the
line power switch) can restore local control.
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