ST 500 "Piranha" Operation Manual: Software
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comment (fig.49, 8)
on/off activity checkbox (fig.49, 2)
3. Click "Apply Changes" to save the changes made, or "Cancel" to exit without saving changes
Restrictions for band editing or addition
1. Frequency ranges cannot border on, or overlap with, one another. If this restriction is not
met, the following warning prompt will appear,
"Initial Frequency is in a different range # xx (xxx - xxx)"
"Ending Frequency is in a different range # xx (xxx - xxx)"
2. The width of a range cannot exceed 200 MHz. If this restriction is not met, the following
warning prompt will appear,
"The range should be no more than 200 MHz!"
Deleting a band
To delete a band, select the corresponding table row and click "Delete". Upon confirmation the
line will be deleted from the list.
Finishing
Before completing the work, save the changes in any of the following methods:
download to the PC HDD by clicking the "Save to File" and specifying the path for saving
and the file name (information about the selected ranges and information from other
modes will be saved);
download to the ST 500 only information on the made adjustments of the selected ranges
by clicking "Write to ST500";
download to the ST 500 information about all the lists (in all modes) by clicking "Write ALL
to ST500".
8.6.2. "MOBILE BANDS" MODE
This mode is intended for creating and editing a list of frequency bands utilized by mobile
communication systems in the region.
This information, downloaded to ST 500, is used by the SELECTIVE HF DETECTOR channel,
"WIRELESS COMMUNICATION" mode, "MOBILE DEVICES MONITORING" function (3.4.1).
The mode is activated by selecting the "Mobile bands" tab. The device screen will look as
shown in fig.50.
