Hanna Instruments HI 121 User Manual
Page 32
32
Notes: • The custom buffers can be set only with 0.001 pH resolution.
If 0.01 pH resolution is selected during calibration, the
displayed custom buffer value will be a rounded one.
• For calibration alarm time out, custom buffers, alarm limits, start
and stop condition items, if pressing CLR or 2nd then CLR while
in changing mode, the selected item will be set to default.
• To select the right ion charge, different ion types and their
charge are presented in the table below:
• Printer status and printing language items appear only for
HI 123. The available printing languages are: EnG (English),
ItA (Italiano), ESP (Español) and FrA (Français).
ALARMS SETUP
• Select one of the alarm items. The displayed alarm value will be the
previous set one.
• Press MODE to select the range for alarm. The corresponding range
tag will blink.
• Press CAL to enter in changing mode. Set the new value using the
ARROW or the numerical keys.
Notes: • Press MODE while in changing mode to select another resolution
if the displayed value allows it (e.g. if 199.9 is displayed, by
pressing MODE the value will change to 1999; if 19.9 is
displayed, nothing will happen if pressing MODE).
• Pressing CLR or 2nd then CLR, the displayed value will be set
to default (“no”). The first displayed value after “no”, if one of
the ARROW keys is pressed, will be 7.00 pH or 0.0 mV, in
according with the selected range.
• Press NUM from the left keyboard if you want to change the
value using the numerical keys. The “2nd” tag will blink.
• Press CLR or 2nd then CLR to delete the last digit.
• Press MODE to select another resolution (see above).
• Press NUM or CFM to confirm the introduced value from the
numerical keyboard.
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