5502A
Operators Manual
6-14
EARTH
Overlapped CoupledIEEE-488 RS-232 Sequential
xx xxx
(Earth Ground command) Selects if the Calibrator front panel NORMAL LO terminal is
tied to chassis (earth) ground. When set, the Calibrator keeps the earth setting until power
off or reset.
Parameters: OPEN (disconnect front panel LO terminal from chassis ground)
TIED (connect front panel LO terminal to chassis ground)
Example: EARTH TIED
Load TIED to tie the Calibrator front panel NORMAL LO terminal to earth (the front
panel key annunciator is on).
EARTH?
Overlapped CoupledIEEE-488 RS-232 Sequential
xx xx x
(Earth Ground query) Shows if the Calibrator front panel NORMAL LO terminal is tied
to chassis (earth) ground.
Responses: (character) OPEN (front panel LO terminal disconnected from chassis
ground)
(character) TIED (front panel LO terminal connected to chassis ground)
Example: EARTH? shows OPEN
Shows OPEN when EARTH is not tied to the NORMAL LO terminal (the front panel
key annunciator is off).
EDIT
Overlapped CoupledIEEE-488 RS-232 Sequential
xx xx x
(Edit command) Sets the edit field to the primary, secondary or frequency field.
Parameters: PRI (edit the value in single output functions and the primary output
value in dual output functions)
SEC (edit the secondary value in dual output functions)
FREQ (edit the frequency value in single ac output functions)
OFF (edit is off, which is the same as with the NEWREF command)
Example: EDIT FREQ
Load FREQ into the edit field to edit frequency.
EDIT?
Overlapped CoupledIEEE-488 RS-232 Sequential
xx xx x
(Edit query) Shows the edit field setting.
Responses: (character) PRI (value in single output functions, and the primary output
value in dual output functions is in edit)
(character) SEC (secondary value in dual output functions is in edit)
(character) FREQ (frequency value in single ac output functions is in edit)
(character) OFF (no value is in edit.)
Example: EDIT? shows OFF
Shows OFF when no value is in edit.
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