Hach 2100P ISO Manual page 20

SECTION 2,
Key Description
Performs a calibration or review calibration data. Also terminates a
CAL
calibration or calibration review and returns to the 2100P ISO
measurement mode.
Edits a flashing digit in the calibration mode, or scrolls through the
calibration standards (S0,S1, S2, S3) or diagnostic menu.
Moves the editing cursor to the digits being edited in the calibration
mode or initiate editing of a standard value.
Turns the signal averaging function on or off.
SIGNAL
AVERAGE
Selects the diagnostic mode.
DIAG
Scrolls between Auto Range, Manual Range, 0.00–9.99 FNU range,
10–99.9 FNU range, and 100–1000 FNU range. The range selection
cannot be changed when a reading or calibration is in progress.
When the meter is turned on it defaults to the last used range mode
and measurement range.
Display Icon Description
DIAG
Turns on after
DIAG icon (1–9) indicates which diagnostic function is active. See
Section 5.1 on page 55
CAL
Turns on after
CAL? Appears after calibration if a value entered during calibration is
outside an acceptable range. May indicate an operator error or
possible instrument malfunction. Flashing
default calibration coefficients are being used (even after a
user-calibration has been done) or that no calibration data is
currently stored.
S__
Appears during calibration. The S is followed by a number to indi-
cate which standard value is currently being edited or displayed. The
flashing number is prompting user for measurement of
or
standard value is being displayed.
Flashes when the battery voltage drops to 4.4 volts indicating to
change batteries. At <4.0 volts, the instrument automatically shuts
off.
continued
is pressed. A number displayed under the
DIAG
is pressed and remains on during the calibration.
CAL
S3
to establish a calibration. Steady number identifies which
for more information on diagnostic codes.
20
CAL?
indicates the
S0 S1
,
S2
,