LN Set lin ear units
Syn tax: LN
Re marks: Changes the dis play to lin ear units (Watts).
OC Set cali bra tor state
Syn tax: OC<state>
state: 0 (OFF)
1 (ON)
Re marks: For ex am ple: OC0 (ref er ence cali bra tor state set to OFF).
OI HP Iden tity re quest
Syn tax: OI
Re marks: The for mat of the re turned string is:
<Com pany name>,<model>,<se rial>,<firm ware ver sion>
OS Set off set value
Syn tax: OS<val>EN
val: –99.99 to +99.99 dB
Re marks: Speci fies the off set ap plied to the dis played value. Val ues can be en tered
in 0.01 dB in cre ments.
Ex am ple: To set an off set of 10.13 to the dis played value:
OS10.13EN
PR Pre set the unit
Syn tax: PR
Re marks: Pre sets the unit to the HP fac tory de faults. This com mand does not ef -
fect the cali bra tion fac tors stored in the sen sor data ta bles. The de faults
for the HP 438A are:
Meas ure ment mode = Sen sor A
6-126 ML2400A OM
HP 438A EMULATION COMMANDS GPIB OPERATION
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