Kenwood TM-255A Product Manual page 56
Multi-communicator vhf/uhf fm dual bander getting acquainted with aprs and echolink
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8 EchoLink
8.3.2.2 Transmitting with an EchoLink Memory
1. Press the PTT switch to transmit.
2. Press the Tuning Control while transmitting.
• The transceiver enters the EchoLink memory channel selection mode.
3. Turn the Tuning Control while the PTT switch is pressed to select the EchoLink memory
channel on which you want to transmit.
4. Press the Tuning Control while the PTT switch is pressed.
• Until transmission of the EchoLink code ends, the transceiver remains in transmit mode even
if you stop pressing the PTT switch.
Useful Tips:
• In Step 2 above, if before pressing the Tuning Control, the [C] key on the microphone is
pressed, then the DTMF code for the EchoLink "Connect by Call" function is transmitted.
For example, in the case of JA1YKX: "C" "51 21 10 93 52 92 #" ("#" will be added at the end
automatically).
• In Step 2 above, if before pressing the Tuning Control, the [0] and [7] keys on the microphone
are pressed, then the DTMF code for the EchoLink "Query by Call" function is transmitted.
For example, in the case of JA1YKX: "0" "7" "51 21 10 93 52 92 #" ("#" will be added at the end
automatically).
• When only the EchoLink memory name is stored, the DTMF code for the EchoLink "Connect by
Call" function is transmitted.
For example, in the case of JA1YKX: "C 51 21 10 93 52 92 #" ("C" will be added at the
beginning and "#" will be added at the end automatically).
Note: When converting a callsign to a DTMF code, when a character is encountered other than the alphanumeric characters
in Table 8-1, such as "-", "/", etc., the DTMF conversion halts at the letter prior to the character not found in the table.
1st
2nd
0
1
2
3
• Speed of DTMF transmission from an EchoLink memory can be changed between FAST and
SLOW using Menu 520. The default is FAST. When a node does not decode your DTMF
signal correctly, configure the SLOW setting to increase chances of the node correctly decoding
your DTMF signal.
46
CONTENTS
Table 8-1 Callsign/ DTMF Code Conversion Table
1
2
3
4
1
2
3
4
Q
A
D
G
Z
B
E
H
C
F
5
6
7
5
6
7
J
M
P
K
N
R
I
L
O
S
8
9
0
8
9
0
T
Y
U
X
V
Y
TM-D710A/E
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