O
VERVIEW
The CAT (Computer Aided Transceiver) System in the
FT
DX
3000
transceiver provides control of frequency,
VFO, memory, and other settings such as dual-channel
memories and diversity reception using an external per-
sonal computer. This allows multiple control operations
to be fully automated with single mouse clicks, or key-
stroke operations on the computer keyboard.
Using the RS-232C Cable
The
FT
DX
3000
transceiver has a built-in level converter,
allowing direct connection from the rear-panel
CAT
jack
to the serial port of your computer without the need of
any external boxes.
When using the RS-232C cable, set Menu item “
037 CAT
SELECT
” to “
RS232C
”.
You will need a serial cable for connection to the RS-
232C (serial or COM port) connector on your computer.
Purchase a
standard serial cable
(not the so-called “null
modem” type), ensuring it has the correct gender and num-
ber of pins (some serial COM port connectors use a 9-pin
rather than 25-pin configuration). If your computer uses a
custom connector, you may have to construct the cable.
In this case, refer to the technical documentation supplied
with your computer for correct data connection.
Using the USB Cable
Note
: A USB driver is required for remote control from
a computer. Download the driver from the Yaesu
website (http://www.yaesu.com).
The
FT
DX
3000
transceiver has a built-in USB to Dual
UART Bridge, allowing direct connection from the rear-
panel
USB
jack to the
USB
jack of your computer with-
out the need of any external boxes.
When using the USB cable, set Menu item “
037 CAT
SELECT
” to “
USB
”.
You will need a USB cable to connect to the USB jack on
your computer.
YAESU MUSEN does not produce CAT System op-
erating software due to the wide variety of personal
computers and operating systems in use today. How-
ever, the information provided in this chapter explains
the serial data structure and opcodes used by the CAT
system. This information, along with the short pro-
gramming examples, is intended to help you start
writing programs on your own. As you become more
familiar with CAT operation, you can customize pro-
grams for your operating needs and utilize the full
operating potential of this system.
C
ONNECTION
P
IN
N
O
.
c
d
e
f
g
h
i
j
k
P
IN
N
AME
N/A
SERIAL OUT
SERIAL IN
N/A
GND
N/A
RTS
CTS
N/A
F
UNCTION
---
Outputs the Serial Data from the
transceiver to the computer.
Inputs the Serial Data from the
computer to the transceiver.
---
Signal Ground
---
When the computer is not ready
to receive data, this port goes to
“L” to inhibit the transmit data from
the transceiver.
When the transceiver is not ready
to receive data, this port goes to
“L” to inhibit the transmit data from
the computer.
---
I/O
---
Output
Input
---
---
---
Input
Output
---
CAT
(
C
OMPUTER
A
IDED
T
RANSCEIVER
)
O
PERATION
Personal Computer
FT
DX
3000
RS-232C “Straight” Cable
USB Cable
Personal Computer
FT
DX
3000
FT
DX
3000 CAT Operation Manual
1
