NORAC UC4.5-BC-GN2 Part 2 - Manual (Page 8)

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4.3 Calibrating the Slant Valve
The roll (slant) valve can only be calibrated manually as described below. When calibrating the
roll valve, calibrate the deadzone clockwise and counter clockwise settings first and then the
gain clockwise and counter clockwise settings.
Navigating to the Slant Valve Settings:
1. Ensure the UC4.5 control panel is in manual mode and at the run screen.
2. Press until the display shows "More?". Press to confirm.
3. Press until the display shows "Roll?". Press to confirm.
4. Press the button to access the next menu prompt or press to access the previous
menu. Choose the dead zone up/down or gain up/down setting (Figure 2).
Roll Channel On
Roll Channel Dead Zone Clockwise (CW)
Roll Channel Gain Clockwise (CW)
Roll Channel Dead Zone Counter Clockwise (CCW)
Roll Channel Gain Counter Clockwise (CCW)
Figure 2: Slant Valve Settings
Manual Dead Zone Calibration:
1. Follow Section 4.2 Step 1 (level booms, working RPM, etc.) before proceeding.
2. Choose the dead zone up or down setting (Figure 2).
3. Press and hold the button.
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 the button is held. Wait until the height
reading has settled to a stable value and record this reading.
KP 5
KP 5
Roll OnU
DZ 20
DZ 20
Sensor
Display
Setup