14. Press STOP to exit the SETUP menu.
15. At “Press START to Continue”, insert a
sample tube containing water or calibra-
tion standard, then press START to initi-
ate the instrument self-diagnostics.
Note: During the first start-up, you may see
“A/D Cal Failure”. This is due to the
board set powering up in an instru-
ment for the first time. This error mes-
sage may be ignored. The error mes-
sage will clear and the display will
return to “Press START to Continue”,
where you would press START again
to initiate the instrument self-diagnos-
tics.
16. Once completed, the instrument will indi-
cate “Recalibration Needed”.
17. Recalibrate as prompted by the display
and per the instructions in the User’s
Guide.
Note: The results displayed during the cali-
bration may be quite different from the
calibration standards used, with nega-
tive values possible with the low cali-
brator. This is normal and should be
ignored. Once the instrument has been
fully calibrated, results observed dur-
ing future calibrations will be much
closer to the calibration standards.
18. The upgrade to Suffix E is complete.
325025PM Rev2
(3255 Service Manual)
Page 6 of 6
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