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APRS-13
APRS supports approximately 200 icons. It allows users to select
each icon by specifying a combination of two ASCII codes, for
example, ! and /. One is a symbol code, and the other is a table
identifi cation code (either /or \). If you select “OTHERS”, use the
following procedures:
1 Rotate the Tuning control to select a symbol code, then
press the Tuning control.
2 Rotate the Tuning control to select a table identifi cation code,
then press the Tuning control.
• Overlay Icon Setting
For example, to set the Digipeater icon to the letter “S”,
select “OTHERS” under the icon type menu, select “#” under
“SYMBOL”, then select “S” under “TABLE”.
Note:
◆ APRS icon codes (symbols/tables) are sometimes updated. Please refer to
the following offi cial APRS website (as of October 2013):
http://www.aprs.org/symbols/symbolsX.txt
http://aprs.org/symbols/symbols-new.txt
◆ Set an icon that represents your operational status. (For example, setting
an Aircraft icon or Balloon icon to a fi xed station will cause confusion when
a station receives a beacon.)
SETTING BEACON TX ALGORITHM
Enter Menu mode and access Menu 611.
■ Packet Transmit Method <METHOD>
Select the operation method for transmitting APRS packets.
The table concludes how operations differ depending on the
selection.
[MANUAL]:
Each press of [BCON] transmits your APRS packet.
[PTT]:
1 Press [BCON] to switch the function ON.
• “BCON” appears and blinks.
2 Press and hold the microphone [PTT], then speak into the
microphone.
3 Release the microphone [PTT].
• Releasing the switch transmits your APRS packet.
• You cannot retransmit an APRS packet unless the time
selected in <TX INTERVAL > passes. Wait until “BCON”
starts blinking to indicate transmitting is ready.
4 To switch the function OFF, press [BCON] again.
[AUTO]:
1 Press [BCON] to switch the function ON.
• “BCON” appears.
• Switching the function ON transmits your APRS packet once.
After that, APRS packets are automatically transmitted at
intervals of the period selected in <TX INTERVAL >.
2 To switch the function OFF, press [BCON] again.
[SmartBeaconing]:
1 Press [BCON] to switch the function ON.
• “BCON” appears and blinks.
• After manually transmitting your station position data 1 time,
your position data will be automatically transmitted using the
time interval set under “SmartBeaconing” <Menu No. 630
and 631>.
2 To switch the function OFF, press [BCON] again.
Note: After setting “SmartBeaconing”, the TX Interval Time, Decay
Algorithm and Proportional Pathing features will no longer operate.