Here is some different pics of the multiturns vr you shold use just find one in 1kohm and one in 20kohm


http://www.kpsec.freeuk.com/photos/rapid/preset3.jpg

http://www.circuit-innovations.co.uk/pot2.jpg

http://www.eleinmec.com/photos/014_05.jpg

http://constructor.bg/shop/images/trim_T18_s.gif

http://www.goldmine-elec-products.co...es/G15977B.jpg

http://www.egr.msu.edu/eceshop/Parts...entiometer.jpg

http://www.egr.msu.edu/eceshop/Parts...entiometer.jpg