Power Meter Operation
Setting Offsets
2.The power meter displays the offset value in a pop up window. Modify this offset (see below) as desired.
■Use or to modify the digit on which the cursor is currently positioned.
■Use or to move to other digits.
3.To confirm your choice press dB .
4.Offset Off On is automatically set to “On” when a value is entered using Offset .
Display offsets can be disabled and
The display offset is a function of the window. That is, if you have selected a two window display each can have its own offset.
Figure 2-8 and Figure 2-9 display the effects of the channel and display offsets on the power meter’s displayed reading.
Figure 2-8: Effect of Offsets on a Channel Measurement
Ch Input
Ch
Offset †
Ch Input with
Ch Offset
Display Offset ††
Ch Input with Ch Offset and Display Offset
READING ON POWER METER DISPLAY
Figure 2-9: Effect of Offsets on a Maths Measurement
ChA Input
ChAOffset †
ChB Input ChBOffset †
| ChA Input with Ch Offset |
| |||||
|
| ||||||
|
|
|
|
|
|
|
|
|
|
|
|
|
| Result |
|
|
|
|
|
| Math, A, B, | Display | |
|
|
|
|
| |||
|
|
|
|
|
| Offset †† | |
|
|
|
|
|
|
|
|
| ChB Input with Ch Offset |
|
Result with
Display Offset Applied
READING ON POWER METER DISPLAY
† Channel Offset entered using System , A Input Settings or Inputs
B Input Settings , Offset.
†† Display Offset entered using | Rel | , |
| . | |
Offset | |||||
Offset | |||||
|
HP E4419B User’s Guide |