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Power Measurement
How to Measure Power
80
Agilent 8163A Lightwave Multimeter, Agilent 8164A Lightwave Measurement
System, & Agilent 8166A Lightwave Multichannel System, Fourth Edition
How to Set the Range
If you choose <
Auto
> from the Range mode menu, this parameter can not be set.
The Range parameter, [
Range
], is displayed in light grey text, see Figure 48, in
automatic ranging mode and displays the automatically-determined range.
If you choose <
Manual
> from the Range mode menu, you must choose a range
setting from the Range menu.
To choose a range setting, follow the following steps:
1
Setup the instrument.
2
Move to the Power Meter channel and press the [Details] softkey.
3
Move to the [
P
] parameter and press the [Power Unit] softkey. You will see the
menu in Figure 43.
4
Move to <
dBm
>, by using the cursor key, and press
Enter
.
5
Move to the [
Range Mode
] parameter and press
Enter
.
6
Move to <
Auto
>, by using the cursor key, and press
Enter
.
7
Perform a set of measurements.
8
Note the highest [
Range
] that the instrument automatically set during this set
of measurements.
9
Move to the Power Meter channel and press the [Details] softkey.
10
Move to the [
Range Mode
] parameter and press
Enter
.
11
Move to <
Manual
>, by using the cursor key, and press
Enter
.
12
Move to the [
Range
] parameter and press
Enter
.
Figure 48
Auto-Range Mode