Agilent Technologies E4418B, Руководство пользователя

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2 Power Meter Operation
64 E4418B Power Meter User’s Guide
Setting Display Offsets
The display offset function provides a method for entering display offset
values.
If either a channel or a display offset is set, then “Ofs” is displayed.
To enter a display offset on the currently selected window:
1 Press , .
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 .
4 is automatically set to “On”, when a value is entered
using .
Display offsets can be disabled and re- enabled simply by pressing
.
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 displays 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
† Channel Offset entered using , , .
†† Display Offset entered using , .
Offset
dB
Offset Off On
Offset
Offset Off On
Ch Input with
Ch Input
Ch
Offset
†
Display
Offset
††
READING
ON POWER
METER
DISPLAY
Ch Input with Ch Offset and
Ch Offset
Display Offset
Input Settings Offset
Offset