Command Summary
Keysight 3458A Quick Reference Guide 31
Keysight 3458A Quick Reference Guide 31
LOCK [control]
Lockout. Enables or disables the multimeter's 
keyboard.
control = OFF (0), ON (1)
Power-on control = OFF.
Default control = ON.
MATH [operation_a][operation_b]
The MATH command enables or disables 
real-time math operations.
operation: = OFF (0), CONT (1), CTHRM (3), 
DB (4), DBM (5), FILTER (6), FTHRM (8), NULL (9), 
PERC (10), PFAIL (11), RMS (12), SCALE (13), 
STAT (14), CTHRM2K (16), CTHRM10K (17), 
FTHRM2K (18), FTHRM10K (19), CRTD85 (20), 
CRTD92 (21), FRTD85 (22), FRTD92 (23)
Power-on operation_a, operation_b = OFF, OFF.
Default operation_a, operation_b = OFF, OFF.
Power-on register values = all registers are set to 
0 with the following exceptions:
MCOUNT?
Memory Count Query. Returns the total number 
of stored readings.
DEGREE = 20 REF = 1
SCALE = 1 RES = 50
PERC = 1