Atoll manual, File>New>GSM GPRS EGPRS>Ok
You must have Digital Map of Vietnam to open clutter, height, and vector.
Firstly, you open clutter folder>Index
Select clutter classes>Ok, wait for few moment the outcome will be liked this.
Next, we open height>index>altitudes>Ok
This is the outcome, maybe you can’t see any different but it’s ok.
Then you select tools > option. In coordinates tab, modify the projection and display. For projection, WGS84 UTM zones> WGS84/ UTM zone 48N For display, you choose WGS84 is enough. In degree format, modify this to be degree. Then Ok
Total outcome should be something like this>>
So far, we open vector> index in digital map folder. Vectors is vectors, then click Ok
This window will pop-up again, you modify as in this figure. Finally, click import.
After importing vectors, on your bottom right lat, long and elevation will show up. Please notice that you must move your Vectors folder in Geo up, this will show up detail such as road, etc.
Next, import sites by double click on sites folder> import
Notice on Decimal symbol, you should select a dot and then click import.
Next you import Antennas and Transmitters, the procedures are the same as Sites which I have shown you above. In data tab, right click on predictions>New and select> Coverage by signal level> Ok Choose tab Data>Prediction>Properties; and on the default propagation model, you must choose Okumura-hata with default resolution 20 m.
Next, you go to Modules, right click on Okumura-hata and then properties
Modify all value same as this;
And Then, In Formulas tab below;
Also checked, coverage by signal level>properties
In Geo Tab, Clutter Classes> properties
Make sure that in this 2 column, all values are 7.
In Display tab, it’s all about how you do want the display color for each clutter to be. You can change color whatever you like.