User's Manual

81
12 OPERATOR CONVENIENCES
COMPUTER CONTROL
By connecting this transceiver to a computer, you can
change the computer into an electronic console from
which you can remotely control functions of the
transceiver. This capability makes remote operation
of your transceiver possible from across the room,
from another room, or when coupled with other
commercially available products and where lawful,
from another city, state, or country via a telephone
connection.
Note:
◆ You can use the front panel controls while using computer
control. Settings done from the front panel are effective
immediately.
◆ After the computer is disconnected or turned off, all values
and settings on the front panel are restored.
SETTING UP
■ Equipment Needed
• A PC equipped with an RS-232C serial port.
• One straight cable. This cable must have a 9-
pin D-Sub RS-232C female connector at one
end, and at the other end a 9-pin or a 25-pin D-
Sub RS-232C female connector that mates
with the RS-232C port of your computer.
• Transceiver control application.
To design your programs, consult “APPENDIX”
{page XX} for the necessary information.
■ Connections
Connecting the transceiver to the computer is
easy. See the diagram given in “CONNECTING
PERIPHERAL EQUIPMENT” {page XX}.
Note: Before connecting this transceiver to the computer, switch
OFF the power to the transceiver and the computer.
COMMUNICATION PARAMETERS
In order to control the transceiver by computer, you
must first choose the communication parameters.
1 On the computer, configure your transceiver
control application for 8 data bits and no parity.
2 On the transceiver, select the appropriate transfer
rate and number of stop bits via Menu No. 56.
• The defaults are 9600 bps and 1 stop bit.
Note: To reliably use the 38400 or 57600 bps transfer rates, the
RS-232C port of the computer must support these high-speed
communications parameters.
REPEATER FUNCTION
(K-type ONLY)
This transceiver is capable of receiving signals on
one band and retransmitting them on another band.
For example, a signal received on the sub-receiver is
retransmitted on the main transceiver. Similarly, a
signal received on the main transceiver can be
retransmitted on the sub-receiver’s frequency.
You can use any available frequency on the main
transceiver or sub-receiver to receive and transmit.
However, you cannot retransmit the receiving signals
outside the amateur radio bands. You also must use
a different antenna for transmitting and receiving. For
example, if you receive a VHF signal on the sub-
receiver, you can retransmit it using UHF on the main
transceiver. You cannot retransmit the signal using
VHF of the main transceiver.
Note: For the repeater function to operate, the squelch levels of
the main transceiver and sub-receiver must be adjusted so that no
background noise can be heard.
LOCKED-BAND REPEATER
The transceiver always uses the same band to
receive, and retransmits the received signals on the
other band.
1 Select a desired receive frequency on the sub-
receiver.
2 Press [MAIN] and select a desired transmit
frequency on the main transceiver.
3 Adjust the squelch threshold level so that both
receivers mute.
4 Press [MENU], then turn the MULTI/ CH control to
access Menu No. 61A.
5 Select LOCKED, using [+].
•“LOCK A” appears.
Note: You can also reverse the receive and transmit bands, so
that you receive on the main transceiver and transmit on the sub-
receiver’s frequency.
CROSS-BAND REPEATER
The cross-band repeater is unlike the lock-band
repeater in that both bands can be used to receive
signals. When a signal is received on one band, it is
retransmitted on the other band. To activate the
cross-band repeater, select CROSS in Menu No. 61A
in step 5.
Note:
◆ The Repeater function has its own Time-out TImer which is set at
3 minutes. This value cannot be changed.
◆ After activating the Repeater function, you cannot access Menu
Nos. other than 61A and 61B.
HANG TIME FOR REPEATER FUNCTION
If necessary, you can cause this transceiver to remain
in the transmit mode for 500 ms after signals drop.
Access Menu No. 61B (Repeater TX Hold) and select
“ON”.