Specifications

Viper Installation and Operators Manual 2.08
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9. Press the Calculate button. The Spreader Constant Complete screen will
display. This screen will display the old spreader constant and the new spreader
constant. Press Ye s to accept the new spreader constant or No to cancel the
spreader constant calibration.
Helpful Hint: You should run this test again to verify that the spreader
constant has zeroed in on the best spreader constant for the material
you are spreading.
Valve Cal
You can enter the appropriate valve calibration number for the type of valve you are
using to apply the product. Use the following valve calibration numbers for the valves
listed:
Helpful Hint: See Appendix E for more information on calculating
your valve calibration.
Valve Cal 2
This is currently not used. This setting must remain at zero.
Fan/Pump Cal
The Fan Cal is used for a granular application only. For the Fan Cal, enter the number
of items sensed in one revolution of the fan, if so equipped. For the Pump Cal, enter the
number of items sensed in one revolution of the pump, if so equipped.
Valve Name Calibration Numbe
r
Standard Valve 2123
Fast or Fast Close Valve (C-F or C-FC) 743
PWM or PWM Close Valve (C-P or C-PC) 43
Motor Control Node (Select Standard Valve) 123