Falcon 4M Camera Manual
Teledyne DALSA
03-032-20044-03
71
Dark Patches
If d ark p atches ap p ear in you r ou tp u t the op tics p ath m ay have becom e contam inated .
Clean you r lenses an d sensor w ind ow s w ith extrem e care.
1.
Take stand ard ESD p recau tions.
2.
Wear latex gloves or finger cots
3.
Blow off d u st u sing d ry, filtered com p ressed air. ‗Canned ‘ air can cau se d rop lets to be
d ep osited on the w ind ow w hich m ay resu lt in visible sp ots after they d ry.
4.
Fold a p iece of op tical lens cleaning tissu e (ap p rox. 3" x 5") to m ake a squ are p ad that
is ap p roxim ately one finger-w id th
5.
Moisten the p ad on one ed ge w ith 2-3 d rop s of clean solvent (alcohol). Do not
satu rate the entire p ad w ith solvent.
6.
Wip e across the length of the w ind ow in one d irection w ith the m oistened end first,
follow ed by the rest of the p ad . The d ry p art of the p ad shou ld follow the m oistened
end . The goal is to p revent solvent from evap orating from the w ind ow su rface, as this
w ill end u p leaving resid u e and streaking behind .
7.
Rep eat step s 2-4 u sing a clean tissu e u ntil the entire w ind ow has been cleaned .
5.
Blow off any ad hering fibers or p articles u sing d ry, filtered com p ressed air.