Kenwood RC-D710 - Manual (Page 55)

APRS-15
■ TX Interval Time <TX INTERVAL>
You can change the interval for automatically
transmitting APRS packets. Access <TX INTERVAL >
and select 0.2, 0.5, 1, 2, 3, 5, 10, 20, 30 or 60 minutes.
The default is 3 minutes.
Note:
◆
With “AUTO” in < METHOD > and Beacon ON, pressing the
Tuning control to complete the setting causes the APRS packet
to be immediately transmitted. After that, APRS packets are
transmitted at intervals of the selected period.
◆ While signals are present, an APRS packet is not transmitted
after the interval. after signals drop, transmitting is executed.
■ Decay Algorithm <DECAY ALGORITHM>
This function continuously extends the packet
transmission interval in the case that there is no
change of position information.
• When the position data does not change, the data is
transmitted based on a Decay Algorithm (1 minute, 2
minutes, 4 minutes, 8 minutes, 16 minutes, 32 minutes,
32 minutes, 32 minutes, etc.)
• When My station position data changes, the data is
transmitted using an interval time based on the set Initial
Interval.
• When the set time elapses and transmission is performed
but a busy signal is present, the transceiver does not
transmit. When there is no longer a busy signal, the
transceiver attempts to transmit.
Note:
◆
While transmitting by pressing the [PTT] switch, beacon
transmission is reserved. <RC-D710 + TM-V71>
◆ If My callsign is not set, the APRS packet will not be transmitted.
◆ Independent of this interval, the transmission of the message is in
1 minute intervals.
■ Proportional Pathing <PROPORTIONAL PATHING>
This function automatically changes the transmit packet
path with the elapsed time.
Operation example for when PROPORTIONAL PATHING
= ON
Transmission interval is 2 minutes. (When the <DECAY
ALGORITHM> = ON, the decay transmission interval takes
precedence.)
The packet path changes with each transmission as
shown below (when the packet path is set as WIDE1-1,
WIDE2-1).
2 minutes : DIRECT
4 minutes : WIDE1-1 (1 Hop)
6 minutes : DIRECT
8 minutes : WIDE1-1, WIDE2-1 (2 Hops)
10 minutes : DIRECT
12 minutes : WIDE1-1 (1 Hop)
14 minutes : DIRECT
16 minutes : WIDE1-1, WIDE2-1 (2 Hops)
This is repeated.
When jointly using a Decay Algorithm, if the speed is 1 knots
or slower, a Decay Algorithm pattern is used for transmitting,
but if the speed is 3 knots or faster, it changes to Proportional
Pathing.
PROGRAMMING A PACKET PATH
Enter Menu mode and access Menu 612.
Select the packet path type from [New-N PARADIGM],
[RELAY PARADIGM], [STATE/SECTION/REGION], or
[OTHERS].
When you press [USE], the “ ” indicator appears on the
left side of the packet path type, showing the current used
information.
[New-N PARADIGM]:
This digipeat type has been used mainly in North America,
but is now used worldwide.
1 Set the TYPE to [New-N PARADIGM], then press
[USE].
2 Set WIDE 1-1 to [OFF] or [ON].
• Set WIDE 1-1 to [ON] to use the digipeater of the RELAY
type (Fill-in type) with the New-N PARADIGM.
• When set to [ON], 1 packet path in addition to WIDE 1-1
can be used, as per the TOTAL HOPS setting.
3 Select the relay step number for the TOTAL HOPS
setting.
• You can confirm the setting contents in PATH IS VIA.
[RELAY PARADIGM]:
This is one of the digipeat types used in Europe.
1 Set the TYPE to [RELAY PARADIGM], then press
[USE].
2 Set RELAY to [OFF] or [ON].
• Set RELAY to [ON] to use the digipeater of the RELAY
type (Fill-in type) with the RELAY PARADIGM.
• When set to [ON], 1 packet path in addition to RELAY can
be used, as per the TOTAL HOPS setting.
3 Select the relay step number for the TOTAL HOPS
setting.