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Indicator 
P872 Fill Indicator 
This parameter determines the rate at which the LCD fill indicator activates. 
Default = 10m/min 
P873 Empty Indicator 
This  parameter  determines  the  rate  at  which  the  LCD  empty  indicator 
activates. Default = 10m/min 
Rate 
P874 Rate Update 
This parameter determines the way in which the rate is calculated. If set to 
continuous  (P874=0),  then  the  rate  is  calculated  and  displayed 
continuously,  i.e.  any  change  seen  from  shot  to  shot  is  calculated  and 
displayed, but if set to use values P874=1(Default) then the values set in 
P875 and P876 are used to calculate and display the rate. 
P875 Rate Time 
This parameter is the period (in seconds) over which the material level rate 
of change is averaged before the Rate Value (P877) is updated. If the Rate 
Distance (P876) is exceeded before the Rate Time (P875) has expired then 
the Rate Value (P877) will be updated immediately. Default = 60sec. 
P876 Rate Distance 
This  parameter  is  the  rate  Measurement  Units  (P104)  over  which  the 
material level must change before the Rate Value (P877) is updated. If the 
Rate  Time  (P875)  expires  before  the  Rate  Distance  (P876)  is  exceeded 
then the Rate Value (P877) will be updated immediately. Default = 0.05m 
P877 Rate Value 
This  parameter  displays  the  current  rate  of  change  of  material  level,  in 
Measurement Units (P104) per minute. It is read only. 
P878 Lower Cutoff 
This parameter is used to select the minimum Rate to be calculated, and can 
be used to eliminate unwanted updates from effects of ripples/waves on the 
surface of the material.