Maybe your Stroboscope LED's are gone down in intensity (or one of the three ?) ??? The intensity of those is very important for a "reasonable contrast", but I agree on the S/N, I was quite dissappointed getting the Monitor on a FACStar Plus just last month :( !!! For all the money the picture should be better ! Have fun, Matthias _____________________________________________________________________________ Matthias Haury Flowcytometry Dept Immunology Institut Pasteur mhaury@pasteur.fr Tel: 33 (01) 40 61 31 29 Fax: 33 (01) 45 68 86 39 _____________________________________________________________________________ At 7:39 -0500 7/03/97, Pizzo,Eugene wrote: >Colleagues, > >About two years ago we acquired a used FACSTAR Plus. >It came equipped with a stream viewing video monitor. >I was relatively new to the field at that time and in any case >had never worked with this particular instrument before. >The resolution of the stream against background seemed >poor from the start. Recently the monitor lost all resolution >of the stream. I can barely make it out and its worthless from >a practical standpoint. I had only changed the nozzle recently >so I tried adjusting the mirror and strobe light but to no effect. >The machine is ten years old - is the monitor simply on its >last legs? - the background is very greyish and the contrast >adjust doesn't help either. Luckily I reinstalled the microscope >and that works OK. Any thoughts? > >Gene Pizzo/UCONN Health
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