2009 AT8 Manual
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• This shows you how much calibration you have on the probe. In the above example an
uncalibrated probe that read 690, but was changed to read 700 will have an offset of
10.
If the offset value gets to high it may be an indication of aged or malfunctioning probe.
5.4.2
ORP Sensor # Offset
• Using the up and down arrows select the ORP set point. This is the ORP that your sys
-
tem will control to.
5.4.3
ORP Setpoint #
• This is the total amount of time in minutes and seconds of your feed and mix cycle. Use
the
up and down arrows to adjust this time to accommodate your system. See FEED LIMIT
below
for example.
• Press – SELECT to save and go on or press MENU to not save and return to reading
5.4.4
ORP Feed Cycle #
ORP SENSOR 1
Offset
0.0
ORP SETPOINT
1
ORP:
650
ORP FEED CYCLE
1
MINUTES :
2:00
• This is the amount of time in minutes and seconds that your feeder on time will be lim
-
ited to
during your FEEd CYClE #. Using this command forces an off time during a feed cycle
allowing for a mixing of the newly feed chemicals before the unit will feed again. Us
-
ing this
feature is highly recommended. For example: If you have a FEED
CYClE of 2:00 and a
FEEd lImIT of 0:15. You will feed for 15 seconds and then stay off for 1 minute and
5.4.5
ORP Feed limit #
ORP FEED LIMIT
1
SECONDS :
15
