设备使用说明书
第
16
页 共
23
页
Figure 8.14 – Express menu for setting the time parameters of the DTF plot markers
Note
– The parameters of the markers (time or distance) depend on the selected
Scale
units of measurement
in the marker setting menu for the
DTF
plot.
In addition to entering numerical values, markers can be moved left-right along the plot using the navigation
buttons and switching between the markers with the button
“marker”
. The marker will be moved in increments of
1/1024 from the time or distance displayed on the plot.
Note
– Moving with buttons is possible only for markers of the Point type.
Peak
(maximum) type markers do
not move.
8.4.9. To quickly change the displayed parameters or the frequency of one of the four markers of the
Loss
plot,
click on the area of the selected marker above the plot and go to the submenu for entering the numerical values of
this marker as in Figure 8.10
In addition to entering numerical values, markers can be moved left-right along the plot using the navigation
buttons and switching between the markers with the button
“marker”
. The movement of the marker will occur in
steps equal to:
where
Step – marker movement step
SPAN – scanning frequency range
N – number of scan points.
8.5 Device calibration menu
The device is initially factory calibrated, recorded in non-volatile memory, the relevant information
(No Cal)
is
displayed in the lower information line of the screen. The calibration plane corresponds to the device port (1) for
connecting the test devices and the load (
TEST PORT
). To increase the accuracy of measurements using
