Chapter 9
174 Viper Pro Installation & Operation Manual
The following screen will be displayed.
Note: If AccuBoom will be used as a feature in a Raven CANbus system, a boom/speed node with
Program ‘D’ or newer is required for operation. If the boom/speed node on the CANbus does not
have Program ‘D,’ the AccuBoom tab will not be accessible and Viper Pro will display a warning
message when an AccuBoom enabled job is opened.
Turn-On/Turn-Off Look-Ahead
Depending upon the type of valve installed on the machine, control valves may take several seconds to adjust
when opening or closing. To help compensate for the valve’s response time and lag due to product lines
building or relieving pressure, the Look-Ahead values allow the Viper Pro to begin adjusting control valves for
spray/no-spray zones and previously applied areas.
Turn-On Look-Ahead. Enter the number of seconds ahead of the vehicle (based on vehicle speed) which the
Viper Pro will scan for zone boundaries and changes when turning product application on.
Note: The turn-on look ahead value should always be higher than the turn-off look ahead value.
Turn-Off Look-Ahead. Enter the number of seconds ahead of the vehicle (based on vehicle speed) which the
Viper Pro will scan for zone boundaries and changes when turning product application off.
Note: The AccuBoom Aggressiveness Factor uses the turn-on and turn-off look-ahead values to adapt
the responsiveness of the AccuBoom system for different driving styles and field conditions or
layout. See the AccuBoom™ Aggressiveness Factor section on page 177 for more information on
using the AccuBoom aggressiveness.
Turn-Off % Coverage
This value controls the percentage of the boom that must be inside a previously applied area in order for the
boom to turn off. The default value is 80%. This would require that 80% of a boom section be in a previously
applied area before AccuBoom would turn off that boom section.
Note: If the value is set to 0%, the boom will not turn off automatically.
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