User manual

HP3458A Emulation Mode
H-10
Description The ID? query allows you to request the instrument's identification string. The multimeter responds
with the string “HP3458A.”
LINE?
Purpose To request the AC power line frequency.
Format LINE?
Response Line frequency in Hz.
Description The LINE? query measures and returns the frequency of the AC power line. The returned value is in
Hz, for example: 60.
MCOUNT?
Purpose To request the number of readings presently stored in memory.
Format MCOUNT?
Response Number of readings
Description The MCOUNT? query requests the total number of readings currently stored in memory. The instru-
ment returns the total number of stored readings in standard numeric form.
MEM
Purpose To enable/disable reading memory, and to designate the storage mode.
Format MEM <mode>
Parameter <mode>
<mode> parameter Numeric equivalent Description
OFF 0 Stops storing readings, stored readings stay
intact
LIFO 1 Clears previous readings, stores new readings
as last in, first out
FIFO 2 Clears previous readings, stores new readings
as first in, last out
CONT 3 Clears previous readings, and selects previous
memory storage mode
Default FIFO (power-on = OFF)
Query MEM? Returns the present memory mode.
Description The MEM command enables or disables reading memory, and it also selects the storage mode. If there
was no previous mode chosen for the CONT mode, FIFO is selected.