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Installation and Setup
Step 8 — Run a diagnostic test
With a sample tube containing fluid such as a calibration standard or
deionized water in the freezing chamber, press the START key. The
microprocessor will respond with the display, Running Diagnostics,
while it lowers the operating head, cools the freezing chamber and
completes a series of internal diagnostic checks. If the diagnostic
checks are not successfully completed or the freezing chamber does
not cool properly, a diagnostic message will be presented.
Note Any error reported prior to or during diagnostics will require the
operator to press STOP before any of the keyboard commands
can be used.
If the instrument has just been turned on, it takes a few minutes to
cool the freezing chamber. If the heat transfer fluid pump has not been
primed as described in step 7, the time will be longer.
When the freezing chamber has been cooled and the internal
diagnostic checks have been completed, the operating head rises,
Osmometer Ready is displayed, and an audible tone is sounded.
Step 9 — Set date and time
If you wish, you may now change your date and time settings by using
the instructions found in Chapter 2 of this user’s guide.
Step 10 — Set language preference
The 3250 can be operated in multiple languages. Your instrument will
initially be set for English. If you would prefer to operate the instrument
on one of the other languages, you should change the language setting
as described in 10. Select Language.
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