ULTRA 4 INSTRUCTION MANUAL 
 
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Universal Curved (P600=12) 
This volume calculation creates a curved approximation of the level/volume 
relationship, and works best if the vessel is non-linear, and there are no 
sharp angles. 
 
 
You should enter 2 level/volume breakpoints at the minimum and maximum 
levels, and several for each place where the vessel has got an arc. You can 
enter any number of pairs between 2 and 32. 
Tables 
P696 Reset Breakpoints 
This parameter allows the resetting, to the default value, of all previously set 
breakpoints (P610-673), without having to access them individually. When it 
is necessary to reset or amend breakpoints this can be achieved by directly 
accessing the desired parameter (P610-673) and changing as required. 
P697 Number of Breakpoints Set 
This parameter allows you to review the number of breakpoints that have 
been set, without the need to access each individual one in turn, this is a 
“Read Only” parameter and no values can be entered.