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d.
–
To zoom into the center or zoom out from the center, complete the following steps:
a.
b.
c.
Loading and displaying raster data
If you have a set of raster data files generated through the ariesoGEO application, you can load and
overlay the data on your base map to help you check the signal quality and the strength of
interferences while driving toward the area of interest.
Procedure
1.
Copy a set of raster data files into your USB memory drive, including the following:
–
ASCII: .tab, .asc, and .clr files
–
BIL: .tab,.hdr, .bil, and .clr files
NOTE
The .tab file type is a geospatial vector data format used in many geographic
information systems. The color file (.clr) is an optional file, but the image will be
displayed as a grayscale image without it. The size of the raster map must be
1024 x 1024 or smaller.
2.
Plug in the USB memory drive to your instrument.
3.
Press the TRACE/DISPLAY hard key.
4.
Press the Load Raster Map soft key.
The file explorer window appears.
5.
Navigate to the raster file (.tab) you want to open, and then press the Load soft key.
The raster image appears on top of your base map as shown in Figure 150.
NOTE
If the area of the loaded raster data is not within the boundary of the base map, you will
not see the raster image on the screen.
6.
To select the display option, complete the following steps:
a.
Press the Display Options soft key.
b.
Select the option you desire from the choices: On, Off, and Blink.
7.
To adjust the transparency level of the image, complete the following steps:
a.
Press the Transparency soft key.
b.
Enter a value between 0 for opaque and 100 for clear.
c.
Press the Enter soft key.
area of interest.
Press the center of the rotary knob to zoom into the selected area. You can also press
the Zoom to soft key again to zoom into the selected area.
Toggle the Zoom to soft key and select Center.
Press the Zoom In and Zoom Out soft keys, as you need, to zoom in and zoom out.
Move the zoomed-in area by using the four arrow keys, as you need.
Using LTE – TDD Signal Analyzer
JD780A Series Analyzers
325
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