1999 Polaris SLH, SLTH, SLX, SLTX, PRO785 Factory Service Manual, Page 56Get this manual
MAINTENANCEITUNE UP Electric Trim Adjustment Trim Linkage Adjustment
Models with Multi-Function Display (MFD)
Start engine
Never operate the engine for more than 15 seconds while the watercraft is out of the waterSevere engine damage may occur from overheating 2Actuate trim switch to full up or full down position until ratcheting (clicking sound) is heard at trim motorThe MFD will automatically readjust the indicator