20
• The (unstable measurement) symbol will be shown on the display until the reading becomes stable.
• When the reading is stable and close to the selected buffer, the (unstable measurement)
symbol will disappear and the
Confirm
key will become active.
• Press
Confirm
to confirm the calibration.
• Press
ESC
to exit calibration.
Notes:
• To clear a previous calibration and to return to the default value, press
Clear
at any
time after entering calibration mode. The
“Calibration cleared”
message will be
shown for a few seconds on the display. If
Clear
is invoked during the first calibration
point the instrument returns to the measurement mode.
• The
Clear
key is displayed only if a previous calibration exists.
Point 2 calibration
• The calibrated value will be shown on the display and the second expected buffer value will
be displayed.
• Remove the electrode holder with electrodes from the top of the beaker.
• Place the second buffer into beaker and place in beaker holder. Rinse the electrodes in a
beaker containing the second buffer rinsing solution.
• Place the electrode holder (with electrodes) on the top of the beaker, lock cap by turning.
• If necessary press the
ARROW
keys in order to select a different buffer value.
• The (unstable measurement) symbol will be shown on the display until the reading
becomes stable.
• When the reading is stable and close to the selected buffer, the (unstable measurement)
symbol will disappear and the
Confirm
key will become active.
• Press
Confirm
to confirm the calibration.
• The calibrated value will be shown on the display and the third expected buffer value will be
automatically selected.