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Chapter 5 Operation 43
43
First Light
The following paragraphs provide step-by-step instructions for verifying the operation of
your PI-SCX system. The intent of this simple procedure is to help you gain basic
familiarity with the operation of your system and to show that it is functioning properly.
The procedure does not require an X-ray source. Once basic familiarity has been
established, then operation with other operating configurations, ones with more complex
timing modes, can be performed.
Once the PI-SCX system has been installed, operation of the camera is basically
straightforward. In most applications you simply establish optimum performance using
the Focus mode (WinView/32), select full frame, set the target camera temperature, and
watch the dark charge decrease as the CCD temperature approaches the set temperature.
Cabling
If the system cables haven’t been installed, connect them as instructed in Chapter 4.
Getting Started
1. If the system is water-cooled, double check that the circulator is filled with a
50:50 mixture of ethylene glycol and water and that the hose connections are
secure. When satisfied that these requirements are met, do the following.
Turn on the circulator. The circulator will power up and begin pumping
coolant through the camera. See the circulator instruction manual for
detailed information.
Inspect the coolant hose connections to be sure there are no leaks.
Turn on the refrigeration, if this feature is available, and set the coolant
temperature (+5° for PI-SCX:4096 with ≤1.5:1 ratio and PI-SCX:4300, 0°
for PI-SCX:4096 with >1.5:1 ratio, and +25°C for other PI-SCX models,
unless otherwise specified). The compressor will start and cooldown will
begin.
2. Verify that the line-voltage setting of the ST-133 is correct for the available
power and switch ON the ST-133.
3. Turn on the power at the computer and start the application software
(WinView/32, for example).
Setting the Parameters
Note: The following procedure is based on WinView/32: you will need to modify it if
you are using a different application. Basic familiarity with the WinView/32 software is
assumed. If this is not the case, you may want to review the software manual or have it
available while performing this procedure.
Set the software parameters as follows:
Environment dialog (Setup|Environment): Set the DMA Buffer size to
32 Mbytes (96 Mbytes for PI-SCX:4096), reboot the computer for this memory
allocation to be activated, and then restart WinView.