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Applications
The Logging Application
172
Agilent 8163A Lightwave Multimeter, Agilent 8164A Lightwave Measurement
System, & Agilent 8166A Lightwave Multichannel System, Fourth Edition
–
<
Value
>, you set a reference value using <
Ref
>, see step 24,
–
<
First Sample
>, the first sample of the logging function is selected as the
reference value,
–
<
Channel 1
>, the value that Channel 1 measures is updated as the reference
value for each set of power measurements (thus, each data value for
channel 1 will be 0 dB), and
press
Enter
.
N O T E
These settings have an effect when you choose <
dB
> as the <
Pwr unit
>. See
24
If you have chosen <
Value
> as the <
Ref Mode
>, move to <
Ref
>, press
Enter
,
enter a value for the reference, and press
Enter
.
Viewing the Statistics for a Power Meter Channel
25
If you are using the Agilent 8164A, move to [
Stat Ch.
], press
Enter
, move to a
Power Meter channel, and press
Enter
.
If you are using the Agilent 8163A, press [More], the screen in Figure 125
appears, move to [
Stat Ch.
], press
Enter
, move to a Power Meter channel, and
press
Enter
.
26
The following statistics are displayed for the chosen Power Meter channel:
–
[
min
], the minimum power measurement measured,
–
[
max
], the maximum power measurement measured,
–
[
avg
], the average of all power measurements measured,
–
[
∆
P
], the difference between [
max
] and [
min
],
Figure 125
The Agilent 8163A Logging Analysis Screen - Second Screen