Chapter 17 Aprs ® Message; Operation Flow - Kenwood TH-D7A Instruction Manual

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The APRS supports a function for transmitting and
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receiving a message independent of position reports.
You can transmit a message to a single station only or a
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bulletin to all other stations in your group. If you specify
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a station, the entered message is transmitted up to 5
5 times until a reception acknowledgment is returned.
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Each message which you transmit can consist of up to
45 alphanumeric characters. A maximum of 16 incoming
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or outgoing messages can be held in the message
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memory.
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OPERATION FLOW

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The following steps should guide you to a good start of
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APRS Message operation.
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q Press [TNC] to switch ON the TNC.
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• " " appears.
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w Access Menu 1–4–1 to select band A or B as the
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data band {page 55}.
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e On the data band select the same frequency as
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other stations in your group.
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• You may tune to the frequency of an appropriate
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digipeater {page 72}.
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APRS MESSAGE
r Access Menu 2–1 to program your call sign
(9 digits max.) {page 66}.
Now you are ready to receive a message from other
stations. Refer to "RECEIVING A MESSAGE"
{page 77}. To transmit a message, proceed to
step t.
t If necessary, access Menu 2–8 to program a
packet path {page 72}.
y Enter a message (or bulletin) using up to 45
alphanumeric characters {page 79}.
Completing step y causes the transceiver to automatically
transmit the message (or bulletin). If you send a message
(not a bulletin), a reception acknowledgment should be
returned; "ack" appears.