Hired-Hand Evolution Series 1200 - Manual (Page 8)

Part No. 4801-5331 Rev 2-08 Evolution 1200 8 of 64
5.3 Main Display Contrast
The main display contrast can be adjusted to adapt to various lighting conditions. The Contrast Control is
located on the opposite side of the front panel. Use the Contrast Control potentiometer and a small flat-
head screw-driver to manually darken or lighten the screen. Turn clockwise to darken the display;
Counter-clockwise to lighten the display.
CAUTION: DO NOT CONTACT OTHER COMPONENTS OR WIRES.
5.4 Inlet Stages
Optional inlet stages may be added to control vents & curtains. Up to 4 inlet stages may be added per
controller unit. When Auto/Manual toggle switch is placed in Auto position, inlet opens and closes
according to programmed instructions. Use the Open/Close toggle switch to manually open or close inlet
when Auto/Manual toggle switch is placed in Manual position. The Notation area is for labeling the inlet.
Under normal circumstances the machines should be left in automatic (Auto) as shown above.
Contrast Control
Notation Area
Manually opens or
closes inlet
Toggle switch
(Auto or Manual
operation)
Controller opens or
closes inlet