Yaesu FTM-400DR Instruction Manual page 83

Using the APRS Set-up Menu
9
Touch [DECAY] to select ON/OFF
This sets the function for extending the APRS
beacon transmission time interval when your own
station is stopped.
Each time this key touched, the function will switch between "ON" and "OFF".
ON: Extends the APRS beacon transmission time interval when your own station is
stopped.
When DECAY is set to ON and your own station enters into the stop mode,
the "INTERVAL" setting will shift to a higher value one step at a time and the
interval will gradually be extended (to a maximum of 30 minutes).
(Example) When stopping with the INTERVAL set at 1 min
The interval will be extended in the following order: 2 min
When movement starts again, a beacon is automatically sent out once, at which
point the interval will automatically return to the "INTERVAL" setting.
When the "INTERVAL" setting reaches 30 min / 60 min, the transmission time
interval will not be extended further.
OFF: The APRS beacon transmission time interval is not extended.
Tip Factory default value: ON
10
Select and touch [LOW SPEED]
The number input screen will be displayed.
Set the cut-off value for determining the stationary
state of the station when "DECAY" is set to ON. When the speed is lower than the
value set, the station will be deemed to have stopped.
11
Enter the cut-off value
The entered value will be displayed at the top of the
screen.
A speed between 1 mph and 99 mph can be set.
Tips • The speed unit can be set under [APRS]
UNITS] in the set-up menu.
• Factory default value: 5 mph
12
Touch [ENT]
13
Touch [RATE LIMIT]
The number input screen will be displayed.
Set the timer for limiting automatic transmission from
the last beacon transmission to a certain period of
time.
This prevents the beacon from being sent out twice repeatedly within a short period
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