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Hp 1740 a

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:mad: and sad...
Halo to all !
I am using an hp 1740 scope, but the regulation of BEAM intensity is not in function, give some but not in of and with out of regulation.
1. in start has fool intensity but get down after some time, with any regulation... , but in some cases is not ok for observation.
2 The focus regula is OK in any cases...
3. Scale ilumin is out of use
Other funtion is OK. I have user guide and shematics/trouble shooting.I make a control all elements a roud sensitivity, but not find the reason of My problem.
I hope is the CRT not in ??? Then pleace for link to by new one....
Best regards from Bosnia ! Albert Fortič E77UW :confused:
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