Hanna Instruments HI 4222 Thermometer User Manual


 
23
Press
to exit custom buffer edit menu. If the Saving Confirmation is enabled, press to accept
the modified option,
to escape without saving or to return to the editing mode. Otherwise,
the modified option is saved automatically.
• Use
key to select the next custom buffer to be set or press to return to Calibration options.
Edit Buffer Group
Accessing this option the user can edit the desired group of five pH buffers for automatic buffer recognition
(Automatic Buffer Entry Type). If the Buffer Group already contains five pH buffers, at least one pH buffer has to
be removed in order to add another buffer.
To edit/set the Buffer Group:
Press
while in
pH Measure
mode.
Press
.
Use
or to select the Calibration option.
Press
and use or to highlight the Edit
Buffer Group option.
Press
and use and to choose the pH
buffer to be included in the buffer group.
Press
or to add/remove the selected pH buffer
to/from the buffer group.
Press
to return to Calibration options and to save the changes.
Calibration Reminder
In order to have accurate readings, the instrument must be calibrated frecquently. Three options are available for
the calibration reminder: Daily, Periodic or Disabled.
To set the Calibration Reminder:
Press while in
pH Measure
mode.
Press
.
Use or to select the Calibration option.
Press
and use or to highlight the
Calibration Reminder option.
Press
and use or to highlight the
desired option.
Press
to confirm your selection or press
to
cancel operation.