AQ EXPERT Instruction & Operations Manual
Version 1.13
Page 42 of 63
CHAPTER 10
AQ GAS SOFTWARE
TM
1. COMMUNICATIONS
The AQ Expert Monitor communicates with a PC either using the USB cable or
wirelessly using its internal Bluetooth (BT) module. If your computer does not have
internal BT capabilities, use the external BT module that is supplied with the AQ Expert
The communication protocol is as follows:
BAUD RATE: 115000 baud
FORMAT: 8 bits, 1 stop bit, no parity
HANDSHAKE: None
USB CONNECTION
For USB connections, use the A-to-B type USB cable supplied with the instrument. To
establish a USB connection, the FTDI USB driver must first be installed on your
computer. The USB drivers for Windows computers are located on the E
INSTRUMENTS USB Thumb Drive:
•
When you plug the USB cable from the computer to the monitor, you should hear
a small
“da-ding” sound indicating that the USB connection has been made.
•
If you have the FTDI USB driver already installed in your computer, the computer
will know and will NOT initialize the “New Hardware Wizard”.
•
If the New Hardware Wizard appears you need to install the FTDI USB driver. To
install this driver:
1. Locate the FTDI USB driver on the CD or download it from the
E INSTRUMENTS website and save it to your desktop.
2. The downloaded file is zipped. Double-click the zipped folder and choose
Extract All Files. Extract the files to a folder on the Desktop. The driver files
are in the FTDI_USB folder.
3. Follow the instructions in the New Hardware Wizard
4. You will have to go through the wizard
twice
, once to install the ftdiport.inf file
and once for the ftdibus.inf file.
BLUETOOTH CONNECTION
For Bluetooth connections, the connection process varies with different Bluetooth
devices. Follow your manufacturer’s instructions for adding a device. The
E INSTRUMENTS’ Bluetooth modem is a Class 1 device, with a maximum range of
100m. Obstacles such as walls and equipment will reduce the effective range.
The AQ Expert
is supplied with a Bluetooth Dongle to make connections to PC’s without
internal Bluetooth capabilities.
