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ページを印刷するINSTRUCTION MANUAL
6. When the Calibrate 7.0 screen is
displayed, press the Enter button to
start the calibration process. After
calibration, the unit will display the
message 7.0 Calibration Complete.
7. If the user wants to calibrate to 4.0,
repeat the process above using the
4.0 calibration solution and start the
Calibrate 4.0 function using the ENTER
and DOWN pushbuttons for 3 seconds.
8. When the Calibrate 4.0 screen is
displayed, press the Enter button to
start the calibration process. After
calibration, the unit will display the
message 4.0 Calibration Complete.
Note: If the unit displays a Calibration error,
check to make sure the calibration solution you
are using is correct. Re-start the calibration
process from the beginning with 7.0 pH.
trouBlesHootinG
the lcD lighted display is blinking on
and off.
All errors detected by the unit will cause
the unit to go into "safe-mode" and
disable the pH function. Refer to the Error
codes and Troubleshooting section of the
instructions.
Note: All errors are reset by pressing and
holding the Enter button for 3 seconds. When
the error has been reset, the display will stop
flashing and the unit will return to normal
.
operation
the pH seems to be unstable and needs
constant adjustment.
All water solutions will experience pH
changes, but if excessive aeration or
certain biologically active nutrients are
used, the pH changes could be more
dramatic. Using the APCEPH1SK sampling
assembly and the submersible mixing
pump that comes with the APCEPH1SK
will provide adequate mixing of the water
without over-aeration.
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