Autohelm Inboard Autopilots (ST6000 and ST7000 systems) Service ...

Autohelm5. When finally refitting the cover to the facia ensure that the cover is in the correctposition relative to the cables and pull the cables back through the grommets as thecover is lowered onto the facia. Wipe off any excess grease from the cable sheaths.6. Use only hand screwdrivers for reassembly to ensure screws are not overtightened and elastomers are compressed uniformly. Rotate screws anticlockwise tolocate in the thread before tightening.7. Re-check for full function after reassembly to check the LCD has not beendamaged or looms incorrectly soldered.4. Display Contrast AdjustmentThe Display Contrast on the Z082 Control Unit can be manually adjusted to suitinstallations where the LCD is normally viewed from significantly above or below, orwhen a replacement LCD with different drive characteristics has been fitted.1. Remove power from the unit.2. Unscrew the mounting thumb nuts and ease the Control unit forward from itsmounting position.3. Unscrew and remove the 6 case screws from the rear cover. Push each cableloom back through its grommet so as to obtain working clearance to the PCB (fig 1).Note: If cables are tight in grommets then apply a small smear of grease to the outersheath, (grease can be wiped off after reassembly).4. Re-connect power.5. View Control unit from normal operating angle.6. Adjust vrl, (see figure 1 for location) to obtain optimum display legibility.7. Refit the cover to the facia ensuring correct positioning relative to the cables. Pullthe cables back through the grommets as the cover approaches the facia.8. Secure Control unit in its original position.Note: Use only hand screw drivers to reassemble to ensure screws are not overtightened.4SeaTalk Service Manual