7--6
89
Use and maintenance manual S20DSP
" Press in sequence and simultaneously the â key and the key for the head
lowering (Y---), position the bow completely downwards;
The down position must have a value ranging between 008 and 012, otherwise
operate as follows:
" Remove the fixing screws from the black box on the cylinder using a hex
wrench.
" Remove the box protecting the potentiometer, taking care not to tug at the
connection cables.
" Using an Allen key, slacken the grub screws fixing the rod and free the poten-
tiometer body.
" Manually rotate the potentiometer body until the display readout is between
008÷012.