Math Annunciators - Agilent Technologies 34405A User's And Service Manual

2 Features and Functions
The decision to update a new reading value in the primary display is
based upon the box- car moving statistics of the present reading and the
three previous readings as described below:
Max (Reading
Min (Reading
N O T E

Math Annunciators

The math Hold, Limit, Null and MnMx annunciators are located above the
primary display and the dB/dBm annunciator is located right of the
primary display (see
Value Annunciators are located under the secondary display and assist in
viewing and editing math values in the secondary display.
Table 1
Math Operation When Viewing/Editing Editable Math Annunciator
Null
dBm
dB
MnMx
Limit
32
Reading
N N-1
Reading
N N-1
• Minimum delta value to trigger an update on held value : 0.1% of full scale
• Minimum level to enable update on held value : 5% of full scale
"The Display at a Glance"
Math Value Annunciators
Offset
R
REF
dB Ref
Maximum
Minimum
Average
Reading Count
HI Limit
LO Limit
Reading Reading
N-2 N-3
Reading Reading
N-2 N-3
Ref Value
Ref R Value
Ref Value
Max
Min
Avg
N
Hi Limit
Lo Limit
)
)
on page 16). The Math
34405A User's and Service Guide