MacDon FD75 OM - Manual (Page 93)

OPERATION
3. Push the Auto Header Height button (A). The LED light
(B) should flash continuously, indicating it is in standby
mode and waiting for a response from the operator.
Figure 4.82: Combine Header Control System
4. Momentarily push the header down button (A). The
header should lower automatically and the LED light
should stay illuminated, indicating the auto height
system is engaged and working.
Figure 4.83: Header Down Button
5. To control the ground pressure turn the Height dial (A)
to increase or decrease ground pressure.
6. To control the sensitivity or how quickly the auto header
height reacts to varying ground conditions, turn the
Sensitivity dial (B).
Figure 4.84: Combine Header Control System
169894 79 Revision A