Command Summary
46 Keysight 3458A Quick Reference Guide
46 Keysight 3458A Quick Reference Guide
REV?
Revision Query. Returns two numbers separated 
by a comma. The first number is the multimeter's 
master processor firmware revision. The second 
number is the slave processor firmware revision.
RMATH [register]
Recall Math. Reads and returns the contents of a 
math register.
register = DEGREE (1), LOWER (2), MAX (3), 
MEAN (4), MIN (5), NSAMP (6), OFFSET (7), 
PERC (8), REF (9), RES (10), SCALE (11), 
SDEV (12), UPPER (13), HIRES (14), 
PFAILNUM (15)
Power-on register = none.
Default register = DEGREE.
RMEM [first][,count][,record]
Recall Memory. Reads and returns the value of a 
reading or group of readings stored in reading 
memory. RMEM leaves stored readings intact (not 
cleared from memory).
first: Designates the beginning reading.
Power-on first = none.
Default first = 1
count: Designates the number of readings to be 
recalled, starting with first.
Power-on count = none.
Default count = 1