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VT USA-168A/B Real Time Underwater Sound Analyzer Manual Rev. 1.5
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Then connect the XLR-to-USB sound card to the PC’s USB port using the supplied USB
cable.
Switch the POWER SOURCE to USB. The red POWER LED should light up indicating that
it is receiving power. Then switch on the 48V phantom power to supply power to the built-in
preamp of the hydrophone.
The USB hardkey needs to be plugged into any USB port of the PC in order to activate the
Multi-Instrument software. Otherwise the software will run under the 21-day fully functional
free trial mode before the trial period expires.
1.3 Hardware Driver Installation
The device driver installer USA168_DriverInstaller.exe is located in the Drivers\VTUSA168
directory in the CD. When you install the Multi-Instrument software, a copy of the device
driver
installer
will
also
be
installed
in
the
software
installation
directory\Drivers\VTUSA168. Run it to install the driver. After driver installation, the
device will be supported by both sound card MME and ASIO drivers in Multi-Instrument.