Math Operations And The Secondary Display - Agilent Technologies 34405A User's And Service Manual

2 Features and Functions

Math Operations and the Secondary Display

Math Operation Primary Display
Null Nulled Reading
dBm dBm
dB dB
Min/Max Reading
Limit Reading
Hold Held Reading
40
When a math operation is selected, the secondary display
shows the result of the math operation or the value(s) being
used by the math operation. For example, a typical primary
display showing the Limit math operation for DCV
measurements and a secondary display showing a HI limit
exceeded is:
Limit
Repeatedly pressing
display choices for the present math operation as shown in
the table below. (Reading is used in the table below to
indicate the original measured reading value.)
Default Secondary Press Disp
Display Key Once
Reference Value Off
Present Reading R
REF
Present Reading dB Ref (in
dBm)
Max value Min value
PASS HI Limit
HI
LO
Present Reading Off
mV DC
D i s p
cycles through the secondary
Secondary Display
Press Disp Press Disp
Key Twice Key Three Times
Off
Off
Avg value N (count) value
LO Limit Off
34405A User's and Service Guide
Press Disp
Key Four Times
Off