User's Manual

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For UTC Hour, Minute, Start Slot and Interval, these are for starting (initial) UTC time for your
message scheduling report. MANDO-301/303 will follow the UTC time from GPS and according to
your message scheduling settings (UTC hour, UTC minute, Start Slot, Interval) to calculate the
nearest next transmitting time.
Example 1, FATDMA: UTC hour: 0 ; UTC minute : 1; Start Slot : 150 (4 seconds); Interval : 10
minutes. (If the UTC time from GPS is 18:03:00 – according to the Example 1. The message will be
sent at UTC time 18:11:04; 18:21:04; 18:31:04...etc)
Example 2, FATDMA: UTC hour: 1 ; UTC minute : 1; Start Slot : 300 (8 seconds); Interval : 70
minutes (1 hour 10 minutes) (If the UTC time from GPS is 18:03:00 – according to the Example 2.
The message will be sent at UTC time 18:31:08; 19:41:08; 20:51:08...etc)
Figure 4-6-4 Message Scheduling
*NOTE: For Msg 21, each channel occupies 2 adjacent slots. Therefore for setting Channel 2,
please select two different slots from Channel 1.