Kenwood 440 MHz TH-D7A User Manual
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PREPARATION FLOW
The following steps should guide you to a good start of
packet operation. The shaded steps indicate operations
on your personal computer. First connect the
transceiver to the personal computer {page 53}.
packet operation. The shaded steps indicate operations
on your personal computer. First connect the
transceiver to the personal computer {page 53}.
Note: You may switch Battery Saver OFF {page 49} to prevent the initial
portion of a received packet from being missed.
portion of a received packet from being missed.
q
Install an appropriate communications program on
the personal computer.
the personal computer.
• A variety of freeware or shareware programs can be
obtained in various ways. Consult your reference
material or other “packeteers”.
material or other “packeteers”.
w
Initiate the communications program and set the
following parameters on the personal computer:
following parameters on the personal computer:
• Transfer rate (TNC <–> Computer): 9600 bps
• Data length: 8 bit
• Stop bit: 1 bit
• Parity: Non
• Flow control: Xon/Xoff
• Data length: 8 bit
• Stop bit: 1 bit
• Parity: Non
• Flow control: Xon/Xoff
e
Access Menu 1–4–1 to select band A or B as the
data band {page 55}.
data band {page 55}.
r
Press [TNC] to switch ON the TNC.
• “
” appears.
t
Press [TNC] again to enter Packet mode.
• “PACKET” also appears.
y
To select 9600 bps as the transfer rate from/to the
target station, type HBAUD (or HB) 9600 and
press [Enter] or [Return]. The default is
1200 bps.
target station, type HBAUD (or HB) 9600 and
press [Enter] or [Return]. The default is
1200 bps.
• You must select the same transfer rate as the target
station.
u
Type MYCALL (or MY) then your call sign (9 digits
max.) and press [Enter] or [Return] to set your
call sign on the TNC.
max.) and press [Enter] or [Return] to set your
call sign on the TNC.
• You cannot use the default setting (NOCALL).
i
Tune to an appropriate frequency.
• First you may want to monitor packets which are
transmitted among other stations. When packets
are received, text appears and the computer screen
scrolls.
are received, text appears and the computer screen
scrolls.
o
To connect with the target station, type
CONNECT (or C) then its call sign and press
[Enter] or [Return].
CONNECT (or C) then its call sign and press
[Enter] or [Return].
• When a linkage is established, a message which
informs you of it appears on the computer screen;
on the transceiver display, “
on the transceiver display, “
” appears.
• If packets from other stations keep your squelch
open, adjust the squelch level in advance. The TNC
cannot transmit in such a situation.
cannot transmit in such a situation.
!0
Send appropriate commands and, if necessary,
messages to the target station via the TNC.
messages to the target station via the TNC.
TH-D7 E 52 Packet Operation
98.12.4, 0:12 PM
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