32
34405A User’s and Service Guide
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
N
Reading
N-1
Reading
N-2
Reading
N-3
)
Min (Reading
N
Reading
N-1
Reading
N-2
Reading
N-3
)
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
“The Display at a Glance”
on page 16). The Math
Value Annunciators are located under the secondary display and assist in
viewing and editing math values in the secondary display.
N O T E
•
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
Table 1
Math Value Annunciators
Math Operation
When Viewing/Editing
Editable
Math Annunciator
Null
Offset
9
Ref Value
dBm
R
REF
9
Ref R Value
dB
dB Ref
9
Ref Value
MnMx
Maximum
Max
Minimum
Min
Average
Avg
Reading Count
N
Limit
HI Limit
9
Hi Limit
LO Limit
9
Lo Limit
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