
5.4.3 Interfacing with the Host PC
[ 1 ] CU-301/321
This section describes how to start communication with the host PC in System Mode. The same can
apply when you use a user program.
(1) Turn the host PC on.
(2) CU-301: Turn the power switch on.
The POWER LED comes on.
CU-321: If it is connected to the USB host, the POWER LED
comes on
. If it is connected to the
USB hub, turning on the hub
turns on
the POWER LED. If the AC adapter is plugged in,
the POWER LED is already turned on.
(3) Turn the BHT off and then put it on the CU-301/321.
CU-301/321
CU-301: RS-232C interface
CU-321: USB interface
AC adapter
(4) Turn the BHT on and run System Mode. Set the communications environments (communications
protocol, interface port, communications parameters, and protocol options). Refer to Chapter 2,
Section 2.5.3, [4.5].
Select the IrDA interface port.
(5) On the host PC, initiate a communications program (e.g., BHT-BASIC4.0 Transfer Utility or
equivalent).
(6) To transfer data stored in the BHT to the host PC, select "UPLOAD" on the SYSTEM MENU. To
transfer data from the host PC to the BHT, select "DOWNLOAD." Refer to Chapter 2, Section 2.5.3,
[ 2 ] and [ 3 ].
The BHT and the host PC
start
communication with each other via the CU-300. On the CU-301/321,
the DATA LED
comes on
upon start of communications, and after completion of communications,
the LED
goes off
.
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