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P981 Increment 
By  default,  simulation  mode  will  move  by  0.328  feet  steps  in  manual 
simulation  and  by  0.328  feet/min  in  automatic  simulation.  Altering  the 
increment can change this value. 
P982 Rate 
In automatic mode, the rate at which the level will move up and down, is 
determined by distance, P981 Increment and the time, P982 Rate which by 
default is set to 1min and can be changed as required. To increase the rate 
at  which the  level  moves  increase  the  Increment (P981)  or  decrease  the 
Rate (P982). To  decrease  the rate  at  which the level  moves decrease the 
Increment (P981) or increase the Rate (P982). 
P983 Start Level 
When  using  automatic  simulation,  this  parameter  can  be  used  to  pre-
determine the point at which the simulated level will start at and return to. 
This  can  be  used  to  simulate  the  lowest  point  to  which  the  level  would 
normally operate. 
P984 Inc. Change 
When  using  automatic  simulation,  you  can  incrementally  increase  or 
decrease the rate while running simulation. The rate is increased /decreased 
incrementally  by  the  value  P984  (Incremental  Change)  by  using  the 
“decimal point” key to increase and the “plus/minus” key to decrease the 
rate of change.    Default = 0.328 feet