Operation
6. To enter the date and time into the system, select Await mark... and the
following message appears:
System UTC date and time will be set to hh:mm:ss dd Mmmm yyyy (the date
and time entered above will be displayed) when [ENTER] is hit. Press [PRIOR]
to cancel.
7. Press [ENTER] to enter the date and time into the system.
5.8.6.9 Site Data
The parameters in the Site data... menu provide the following information to the
ACU:
• The antenna's name, which is displayed, along with the current position, on
the ACU front panel
• The position of the antenna: latitude, longitude, and altitude
• The difference between the local time and UTC (Timezone offset)
• Local timezone (displayed for the user's convenience only -- it is not used by
the ACU for any functions)
NOTE: The E. Longitude of site [deg] and N. Latitude of site
[deg] position inputs must be in decimal degrees.
To convert E. Longitude of site [deg] and N. Latitude of site [deg] to decimal
degrees, use the following formula:
Decimal Degrees = Whole Degrees + [(Minutes * 60) + seconds]/3600
For example, to convert 67 degrees, 38 minutes, 15 seconds to decimal degrees
using the formula above, the equation would be:
67 + {[(38 * 60) + 15]/3600} = 67.6375 degrees
5-65
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