Effect Of Offsets On A Channel Measurement - HP E4419B User Manual

Power Meter Operation
Setting Offsets
Display offsets can be disabled and re-enabled simply by pressing
Offset Off On
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.
ChA Input ChA Input with Ch Offset
ChA
†
Offset
ChB
†
Offset
ChB Input ChB Input with Ch Offset
† Channel Offset entered using
B Input Settings Offset
†† Display Offset entered using
2-40
2. The power meter displays the offset value in a pop up window.
Modify this offset (see below) as desired.
Use or
currently positioned.
Use or
3. To confirm your choice press
4.
Offset Off On
entered using
Offset
.
Figure 2-8: Effect of Offsets on a Channel Measurement
Ch Input with
Ch Input
Ch Offset
Ch
†
Offset
Figure 2-9: Effect of Offsets on a Maths Measurement
Math, A, B, A-B,
B-A, A/B, B/A,
,
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to modify the digit on which the cursor is
to move to other digits.
.
dB
is automatically set to "On" when a value is
.
Ch Input with Ch Offset and
Display Offset
Display
††
Offset
Result with
Display Offset Applied
Result
Display
††
Offset
System
,
A Input Settings
Inputs
.
Rel
, .
Offset
Offset
READING
ON POWER
METER
DISPLAY
READING
ON POWER
METER
DISPLAY
or
HP E4419B User's Guide