QUAD-4Track User’s Manual Revision 2.1 9
installed. These drivers are on the disc supplied with the QUAD-4TRACK instrument.
The Application Software is written in LabView and uses the NI-VISA software from
National Instruments to affect a communication link with the QUAD-4TRACK. The
USB cable cannot be unplugged from the QUAD-4TRACK during operation.
Analog Out
The Analog Output provides an amplified, buffered signal from the probe. A Full Scale
Reading will correspond to a 1.5V Signal at the analog out when set to a channel.
The 5th choice is a Bar Graph representing each of the 4 channels. A value of 2.000V is a
full scale representation. Each bar in the graph is approximately 50us wide.
External Trigger
QUAD-4TRACK supports internal and external triggering. Connect a TTL trigger signal
to this input to use external triggering.
Turning the Unit On
Before turning the QUAD-4TRACK on, be sure that the probe in use is plugged in. When
the QUAD-4TRACK powers up, it reads the probe memory to obtain required
information for correct operation. QUAD-4TRACK cannot detect a probe removal, so hot
swapping the probe is not permitted. Doing so will not cause damage, but the probe
information will not be updated. Once the probe and power supply are connected, turn the
unit on by setting the Power Switch to ON. The Power LED will illuminate. The QUAD-
4TRACK is now ready to use.
Power on Tests
When powered on, the QUAD-4TRACK tests its internal memory and its control
circuitry to ensure it can accurately measure data. If the internal memory fails its test, the
QUAD-4TRACK will not turn on the Power LED. Should this condition occur, contact
Gentec-EO at 503-697-1870 for service of the unit.
The Applications Software
Welcome to the PDQ-4-DPM Pulse Track Software Application Software. This software,
when coupled with a Gentec-EO PDQ-4-DPM Instrument, provides the user with a
versatile measurement system.
The Applications Software communicates with the host PC via a USB port. The system
uses the QUAD-4TRACK Command Set to do this.
The QUAD-4TRACK sends the measured data to the Applications Software when
requested to do so. The software will then display the data from each of the 4 channels.
(37 pages)
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