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11. OTHER FUNCTIONS
About “USB SEND/Keying”
You can control transmit, receive and CW/RTTY
keying from the PC, through the USB port.
Select the control port to be used for communication
between the IC-7610 and PC in the “USB SEND,”
“USB Keying (CW)” and “USB Keying (RTTY)” items
according to your operating needs.
» SET > Connectors > USB SEND/Keying
USB SEND
USB Keying
(CW)
USB Keying
(RTTY)
USB1
TXD
RXD
RTS
DTR
TXD
RXD
RTS
DTR
CPU
Virtual
COM
port A
Virtual
COM
port B
USB 1 (A)
USB 1 (B)
USB SEND (Default: OFF)
USB Keying (CW) (Default: OFF)
USB Keying (RTTY) (Default: OFF)
• OFF: Turns OFF the function.
• USB1 (A) DTR: Uses the DTR terminal on
USB1 (A).
• USB1 (A) RTS: Uses the RTS terminal on
USB1 (A).
• USB1 (B) DTR: Uses the DTR terminal on
USB1 (B).
• USB1 (B) RTS: Uses the RTS terminal on
USB1 (B).
The IC-7610 has two virtual COM ports, A and B.
When connecting to a USB port on your PC, the ports
are virtually named as USB1 (A) and USB1 (B), and
then the transmit and receive control (USB SEND),
CW Keying, or RTTY (FSK) Keying signals from the
PC are assigned to the DTR/RTS terminals in the
virtual port.
TIP: About the USB SEND/Keying items
L When you operate RTTY or CW through your PC’s USB
port and your IC-7610, you may not be able to send the
“SEND” or “Keying” signals until a few seconds after
you connect the USB cable.
L When you operate through your PC’s USB port and
the IC-7610, and connect a second transceiver to
another PC USB port, a short “SEND” or “Keying”
we recommend that you do not connect a second
transceiver to a USB port of the same PC. Or, always
turn OFF the transceiver power before you connect a
USB cable.
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