4 - INSTRUMENTS/CONTROLS
48
A24293
17. HEADER CONTROL MODE SWITCH - This is a four (4) position rotary switch with the
following functions:
MANUAL (M) - Allows operator manual control of header lift and lower.
RETURN TO CUT (RTC) - The RTC mode can be entered if this switch is in this position and
the feeder is ON and header LOWER SWITCH is momentarily pushed. If the switch is in this
position the Position Control (Ref 18) will set the header operating height above the ground
(cutting height).
FLOAT (If Equipped) - In this position the Sensitivity Control (Ref 19) may be used to set the operating pressure.
Float control is automatically entered if the feeder is ON and the header is lowered to the ground by momentarily
pushing the header LOWER SWITCH.
AUTOMATIC HEIGHT CONTROL (HT) (If Equipped) - In this position, header height control is automatically
entered if the feeder is ON and the header is lowered to the ground by momentarily pushing the header LOWER
SWITCH.
18. HEADER POSITION CONTROL - This control has two functions depending upon which
header operation mode is being used:
RETURN TO CUT MODE (RTC) - In this mode the Position Control sets the header height
above the ground (cutting height).
AUTOMATIC HEADER HEIGHT MODE (HT) (If Equipped) - In this mode the Position Control
sets the point at which the cutterbar runs within its 6 inch flotation range.
19. HEADER SENSITIVITY CONTROL - This control has different functions depending upon
which header mode is being used:
FLOAT MODE - In this mode the Sensitivity Control sets the cylinder pressure point which the
hydraulic system is to maintain. This sets the amount of ground pressure by the header. A
more sensitive setting will result in a lower maintained cylinder pressure and more ground
contact pressure. A less sensitive setting will result in higher cylinder pressure and less ground
contact pressure.
AUTOMATIC HEADER HEIGHT MODE - In this mode the Sensitivity Control sets how sensitive the header control
is to changing ground conditions.
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19
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