Hanna Instruments HI 4222 Thermometer User Manual


 
17
Use
or to select the Date & Time option.
Press
and use or to highlight the
desired option you want to modify.
Press
to confirm your selection. Use /
to select next/previous entry to be edit. Press and use
or to set the desired value, then press
to save the modified value (for Set Date and Time option). For
the other two options press
to confirm your selection
and select one of the displayed options with
or .
Press
to confirm your selection and return to the Date &
Time options.
Press
to return to Date & Time options (for Set Date and Time option only). 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.
Note: If the time is changed with more than one hour before last pH/ION calibration, a pop-up warning will
appear on the LCD, notifying the user that a date/time conflict has occured and some time-dependent
modes could work improperly (e.g.
Measure
, GLP, Log).
LCD Setup
This option allows the user to set the Contrast, the Backlight of the LCD and the Backlight Saver. The Contrast
parameter can be adjusted within 7 steps, while the Backlight parameter within 4 steps. The Backlight Saver can
be set from 1 to 60 minutes or it can be OFF (disabled). All the changes are visible on the LCD for each parameter.
Note: If the instrument backlight is turned off after the set period of time, press any key to turn it back on.
To set the LCD Setup:
Press
while in
Measure
mode.
Press
.
Use
or to select the LCD Setup option.
Press
and use key to highlight the desired parameter.
Use or to adjust the contrast / backlight or to
set the desired backlight saver time.
Press
to confirm the modified options and return to the
System Setup menu.