Denso QK11-U, Руководство пользователя

Страница: 27 / 48

15
Chapter 3 Communications
QK11-U employs USB1.1 standard to integrate virtual COM port driver special for
computers. All communication software based on serial port formerly could use this
product. You may set various communications conditions by scanning QR-coded
parameters printed in Chapter 5.
Precautions for use
•
Please assign correct COM port to the device through the device manager before
use when connecting scanner for the first time or after changing the connecting
port of QK11-U in case of Windows 2000 or Windows XP.
•
In case of Windows 98 SE or Windows Me as operation system, COM port can not
be fixed due to it is distributed automatically by the operation system. So when
connecting QK11-U for the first time or having connected it, perform the following
operation, COM port could be changed after restarting the computer. If performing
the following operation after connecting it for the first time, please restart the
computer and confirm the COM port through the device manager under the system
in the control panel to use.
- Change the set number of QK11-U to be connected
- Change the connecting port of QK11-U
•
Please assign different COM port to different communication software when
multi-communication software being turned on.
•
When the communication software is turned on, some computers may have
communication malfunction after interruption status is released. In such a case,
turn off the communication software, and then re-operate it again.
•
Transmission rate, data bit, parity check and stop bit set by communication
software based on serial port will be omitted, so do not change these settings. Flow
control option should be "hardware (RTS/CTS)" or "nil".
•
Virtual COM port of computer and QK11-U are connected by the following virtual
means.
Computer QK11-U
TxD RxD
RxD TxD
RTS CTS
CTS
DTR
DSR
DCD