6
Manual Dead Zone Calibration:
1. Follow Section 5.2 Step 1 (level booms, working RPM, etc.) before proceeding.
2. Choose the dead zone up or down setting (Figure 3).
3. Press and hold the "MANUAL" switch.
4. The valve will turn on at the indicated setting for exactly one-second. The screen will show
the actual change in height.
5. The change in height reading is live as long as you hold the "MANUAL" switch. Wait until
the height reading has settled to a stable value and record this reading.
6. Average three readings. The acceptable average change in height should be from 20 to 50
mm.
7. If the average is less, increase the DZ setting with the "+/-" switch. If the average is more,
decrease the DZ setting with the "+/-" switch.
8. Repeat Steps 3 to 7 until the average falls within 20 to 50 mm.
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