Hach 2100P Instrument And Procedure Manual page 47

SECTION 3,
READ
10.
Press:
READ
The instrument will
count from 60 to 0
(67 to 0 if signal average
is on), measure the
turbidity and store the
value. Then the display
will increment back to
the S0 display. Remove
the sample cell from the
cell compartment.
continued
11.
Press:
accept the calibration.
The instrument will
return to measurement
mode automatically.
Note: Pressing
completes the calculation
of the calibration
coefficients. If calibration
errors occurred during
calibration, error messages
will appear after
pressed. If
appear, check the standard
preparation and review the
calibration; repeat the
calibration if necessary. If
CAL?
appears, an error
may have occurred during
calibration. If
flashing, the instrument
is using the default
calibration.
CAL
to
CAL
CAL
is
CAL
E 1 or E 2
CAL?
is
47