Handbook for the TRIUS SX-825 Issue 1 January 2015
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provided in the sides of the CCD cavity and these may be accessed by unscrewing the rear plate of the
camera and then sliding off the main barrel.
The ports are sealed by M4 stainless set-screws and soft plugs, which may be removed to provide
access to the chamber gas fill. You will need to make some kind of nozzle to fit the gas ports, but
simply tapering the end of the standard 4 mm plastic gas tubing that is used with small welding bottles,
will probably be sufficient. To recharge the chamber, first remove both gas plugs and then insert the
tapered end of the argon cylinder tube into one port. Gently turn on the argon supply for about 10
seconds and then refit the plug into the output port. The filling tube may then be extracted and the
second port re-sealed.
N.B. DO NOT leave the camera switched on for long periods between uses. The cold CCD will
collect ice by slow diffusion through any small leaks and this will become corrosive water on the
cooler and CCD pins when the power is removed. If substantial amounts of moisture are seen,
dismantle the camera and dry it thoroughly.
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Alternative Software
Although we hope that you will be satisfied with our ‘SXV_hmf_usb’ software, other companies are
offering alternative programs with more powerful processing functions. One of these is programs is
‘AstroArt’ by MSB software. You can purchase AstroArt from many dealers Worldwide and more
information may be obtained from their web site at
http://www.msb-astroart.com
‘Maxim DL’ is another popular choice and you can find out more by visiting
http://www.cyanogen.com
‘Nebulosity 3’ also works very well with the SX-825.
http://www.stark-labs.com/nebulosity.html
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