User's Manual

32 Revision 2 GM550 v1043 FCC-IC.doc
Angle Calibration Procedure № 2: Correct with the GS550
Calibrate angle indication by adjusting the trim (offset) value in the GS550 display; the GS550 will
then communicate the updated trim value to the sensor.
Step 1. Position the boom at a precisely known angle.
Step 2. Press Menu → Next → Next → Next → Enter → Next → Enter → Next → Enter →
to go to manual calibration menu page 4B2A)
Step 3. Use Back and Next to select the angle sensor to be calibrated.
Step 4. Press Enter → Next to got to the trim adjustment page.
Step 5. Use Up and Down to adjust the trim value.
Example: If angle indicated is 0.3° over the actual angle, adjust the trim value to -0.3.
Example: If angle indicated is 0.9° below the actual angle, adjust the trim value to 0.9.
Step 6. Press Enter to save changes.
Step 7. Press Exit four times to return to the operation display.
Step 8. Verify accurate angle indication at both very high and very low angles.
1) Parts of line 2) Crane Rigging 3) Display Settings 4) Installation
4A) Sensor List
Next
4B) Sensor Calibr
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4B1) Automatic Value
Calibration Wizard
Enter
4B2A) #1 Id: xxxx
Load Cell
4B2A) #2 Id: xxxx
A
n
g
le senso
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Trim: 0.0
Up/Down, Enter->Save
4B2) Manual Parameter
calibration
Next
Next
Heartbeat: 60
Up/Down, Enter->Save
Enter
Operation
Display
Press Exit four times to return to the operation display
Next Next Next
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Next
Figure: Angle Calibration Procedure № 2
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