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Applications
The Logging Application
168
Agilent 8163A Lightwave Multimeter, Agilent 8164A Lightwave Measurement
System, & Agilent 8166A Lightwave Multichannel System, Fourth Edition
12
If you have chosen <
common
> as the <
Range Mode
>, move to a range setting
and press
Enter
.
If you have chosen <
individual
> as the <
Range Mode
>, a screen displaying all
the selected Power Meter channels and their corresponding range settings is
displayed. For each selected Power Meter channel, press
Enter
, move to a
range setting, and press
Enter
.
N O T E
If you have chosen <
individual
> as the <
Range Mode
> and want to access the
screen displaying all the selected Power Meter channels and their
corresponding range settings from the Logging Setup screen, move to [
Range
],
press the [Edit] softkey.
13
Move to <
Ref Mode
>, press
Enter
, move to one of the following referencing
modes:
–
<
Value
>, you set a reference value using <
Ref
>, see step 14,
–
<
First Sample
>, the first sample for each channel of the logging function is
selected as the reference value for all subsequent measurements for that
channel,
–
<
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 only have an effect when you choose <
dB
> as the <
Pwr unit
>.
14
If you have chosen <
Value
> as the <
Ref Mode
>, move to <
Ref
>, press the
[Edit] softkey, enter a value for the reference, and press
Enter
.
Setting Logging Parameter
15
Move to [
Samples
], press
Enter
, enter an integer value between 1 and 4000,
and press
Enter
.
16
Move to <
AvgTime
>, press
Enter
, move to an averaging time period, and press
Enter
.
Running a Logging Application
17
You can run the logging application by pressing [Measure]. The Logging
Measurement screen, as shown in Figure 121, appears. A progress bar at the
bottom of the screen shows the proportion of the logging application that has
been completed.