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EC-33 Geiger Computer Interface USB
Setup
It is possible to verify that the interface is working before installing software.
Installation will depend on which operating system you are using.
1.
If installation is taking place on a computer running
Microsoft Windows 98 or Windows ME, locate your
installation disk. It does not need to be the original
CD used for installation.
2.
Connect GM tube to the interface via the red and
black jacks on the rear panel.
CAUTION:
To avoid possible electrical shock or damage to the interface,
connect the GM tube before connecting to the USB port on the computer.
3.
Set the voltage selector switch to either 450 or 900
Volts as appropriate for the tube being used. An EN-
01 requires 450 Vdc and the EN-04 operates on 900
Vdc . If a different, non-standard voltage tube is
being used, set the Voltage selector switch to
"ADJUST" and turn the Voltage control fully
counterclockwise.
4.
Locate the computer's USB port. If a USB hub is
being used, it must be self-powered (i.e. with its own
external power supply). Connect the interface to the
computer using the supplied cable.
5.
The "STATUS" LED should immediately turn red.
What happens next depends on the operating system
you are using:
Macintosh: The computer will automatically recognize the Interface and, after a
short delay, the light will change color to yellow. Sometimes the color change
from red to yellow is very fast, sometimes it might take a second or two. If the
LED does not turn yellow within a few seconds, see Troubleshooting. Otherwise,
proceed to step 7.
Windows 2000/XP: When the interface is first plugged in, the computer will
briefly display a message indicating that a new device was found. No user
intervention is required. The computer will automatically recognize the Interface,
and after a short delay, the light will change color to yellow. Sometimes the
color change from red to yellow is very fast, sometimes it might take a second or
two. If the LED does not turn yellow within a few seconds, see Troubleshooting.
Otherwise, proceed to step 7.
Windows 98/ME: The computer will recognize that you have plugged in a
"Human Interface Device" and starts the Add New Hardware Wizard. The driver
used for this device is included with Windows.
Click Next when this dialog appears:
When the following dialog appears, select "Search for the best driver for your
device", then click Next.
2
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