P/N 016-0171-493 Rev. I 143
Tools Menu
7
The Raven Offsets Setup screen displays the currently calibrated values for the following antenna offsets:
Fore or Aft Offset. The fore/aft offset is the distance of the boom or implement in front or behind the GPS
antenna.The fore/aft offset must be measured perpendicular to the boom or implement width. See Figure 1
below.
FIGURE 1. Example of the Fore/Aft Measurement
To set the fore/aft value:
1. Touch the current fore/aft value displayed on the Raven Offsets Setup screen.
2. Use the keypad to enter the measured fore/aft value in inches [centimeters].If the boom or implement is in
front of the GPS antenna, select the ‘Implement in Front’ option.
Left or Right Offset. The left/right offset is the distance from the GPS antenna to the center line of the boom
or implement.
Note: The left/right offset must be measured parallel to the boom or implement width. See Figure 2
below.
FIGURE 2. Example of Left/Right Measurement
DGPS Antenna
Center of Boom/
Implement
Fore/Aft
Measurement
DGPS Antenna
Center of Boom/
Implement
Left/Right
Measurement
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