Presto Master
Copyright
©
Agricultural Instruments Corp (AIC)
21
Function
Range
Increments
User
Settings
Effects of
Adjustment
Vacuum on Delay
0 - 2.5 sec-
onds
0.5 seconds
Delay to apply vacuum after releasing cylinder
Calibrate meters to
read higher or lower
-15 to +15
1
Increase if Analyst over reads. Use left/right
switch to move over the marker
Conductivity Sen-
sitivity Offset
-30 to 30
1
Increase to make less sensitive, decrease to
make more sensitive
Use CT Logic
Yes / No
Yes Enables CT Critical Temperature Logic, No
Skips CT Logic and reverts to a fixed
temperature alarm
When CT Logic is
Yes
CT Logic Average
4,8 or 16
The number of cow milk temperatures that are
averaged. The average is considered the nor-
mal milk temperature
CT Logic Deviation
Degrees
.3 - 5.9 De-
grees
The deviation degree is the amount the milk
temperature must deviate from the average to set
-off the high temp alarm
Alarm Temp. De-
grees F or C
100° - 108° F
37.7° - 42.2°C
0.2° F
0.1° C
Adjust milk Temperature alarm threshold
Invert Shutoff
Yes / No
Reverses polarity to vacuum shut-off shifting
valve
Invert Cylinder
Yes / No
Reverses polarity to retraction cylinder shifting
valve
PWM
Yes = ON
No = OFF
Power Modulation Output to shifting valves,
reduces output voltage for 1/2 after a full output
for 400 milliseconds
Parlor Type
Low Line
High Line
Setup to match milk pipeline type
Wash Temperature
109.4° - 130°F
43° - 54.4° C
The was temperature threshold the Presto
detacher recognizes and times how long the wash
temperature is above this temperature
Password
Yes / No
Add password protection to the setup menu
Continue Revert to
Auto
Yes / No
Yes makes the unit automatically switch to
automatic sensing when “Continue” is pressed
Attach / Prep Timer
0 - 180 sec-
onds
5 seconds
Zero disables the prep timer. The timer starts
when the detacher milk (right) switch is pressed.
The Presto display shows a countdown number
to zero with it is time to attach. Ten seconds
prior to actual attach time, the red lights flash,
providing a visual signal that it is time to attach
the milking unit. Zero disables the prep timer.
The timer starts when milk switch is pressed.
The Presto display shows a countdown to attach.
