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Version 1.A Model IIC-200 Operation Manual 11
Shutter circuitry which allows an electrically isolated logic signal to control the
voltage between the Photocathode and MCP In. This allows long gate times or CW
operation.
Operation
➧ Review the Danger and Warning notices on page 6 before operating the IIC-200.
➧ Set the IIC-200 Power switch to
OFF
and wait 5 minutes.
The high voltage cable should be handled with care. Dropping the cable, banging the
connectors, twisting the wires or applying excessive force when tightening may damage
the pins, resulting in a poor or intermittent connection.
Connections with a Gen II Intensifier
➧ Connect one end of the high-voltage cable supplied by Roper Scientific to the high-
voltage connector on the image intensifier. If you have purchased more than one
image intensifier, make sure you are using the cable supplied with that particular
intensifier. The connectors are keyed and must be properly oriented. Push the cable
connector into the receptacle and continue to turn the threaded ring clockwise until it
is tight (10 inch-lbs maximum torque).
Note:
Two versions of the 6-pin high voltage cable have been shipped by Roper
Scientific. Early high-voltage cables have a white housing. Later ones have a black
housing and a white stripe. These cables are wired differently. The IIC-200 is
compatible with the newer style cables only. For more information, see The High
Voltage Cable on page 13.
➧ Connect the opposite end of the cable to the high-voltage output connector of the
IIC-200 using the same procedure.
Gated Operation
➧ For gating, set the
Shutter/Gate
switch to
Gate
.
➧ Connect a cable from the output of the pulser to the
Gate In
BNC connector. For
Gen II units, the mating connector must be a BNC type.
Shutter Mode Operation
➧ For shuttering, set the
Shutter/Gate
switch to
Shutter
.
➧ Connect a BNC cable to the IIC-200
Shutter In
BNC connector. Connect the other
end to the Controller’s TTL SHUTTER OUT BNC connector (may also be named
SHUTTER or SHUTTER MONITOR, depending on the controller model) .
Unlike Princeton Instruments integrated ICCD detectors, in Shutter mode operation, if
the Shutter In BNC on the IIC-200 is allowed to float, the intensifier will be
On
Continuously
. Overexposing the image intensifier at any time when the intensifier is
turned on can result in permanent damage to the image intensifier.
CAUTION
WARNING