I am new in to

Question

i am new in to djaying and i bought a stanton mc 203 which s still in ood condition but my problem is the speed on the right cd keeps n changing time and again unlike on the left cd and this sometimes makes me hard for mewhe trying to match the peed when mixing. so i'm wondering if is there any way to set up the speed on the right cd for my self if there's that need. another thing is that the speed on that ight cd can only be increased to the centre. i also wanna know what's the use of a pithch bend. lastly mixer pack (stanton mc 203 sometimes distored when 'm mixing so i wanna know what might be the cauz of that? my email address is:[e-mail] frankie