User`s guide

18
Appendix B: 438A Command Summary
This table details all the 438A commands that the
Agilent E4419A and E4419B support and the com-
mand function. For a detailed description of these
commands please refer to the 438A Operating and
Service Manual.
Command Description
AD Sensor A minus Sensor B measurement
AE SET A
AP Sensor A measurement
AR A/B ratio measurement
BD Sensor B minus Sensor A measurement
BE SET B
BP Sensor B measurement
BR B/A ratio measurement
CL Calibrate
CS Clear the status byte
CT Clear sensor type
DA
1
All display segments on
DD Display disable
DE Display enable
DO Display offset
EN Enter
FA Automatic filter selection
FH Filter hold
FM Manual filter selection
FR Enter measurement frequency
Command Description
GT0 Ignore GET bus command
GT1 Trigger immediate response to GET
GT2 Trigger with delay response to GET
KB Enter measurement cal factor
LG Log units (dBm/dB)
LH Enter high (upper) limit
LL Enter low (lower) limit
LM0 Disable limits checking
LM1 Enable limits checking
LN Linear units (watts/%)
LP1 Learn mode #1
LP2 Learn mode #2
OC0 Reference oscillator off
OC1 Reference oscillator on
OS Enter offset value
PR Preset
RA Auto range
RC Recall instrument configuration
RH Range hold
RL0 Exit from relative mode
RL1 Enter relative mode (take new reference)