Thermo Scientific Alpha DO 1000, Manual, Page: 37 / 48

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7.9 Calibration (CAL) sub-function
The calibration procedure in Advanced Set-up mode is identical to the procedure in
the Calibration mode. The only difference is that the controller will revert back to
Set-up mode (instead of Measurement mode) after calibration is completed.
7.9.1 Entering Calibration mode from Advanced Set-up mode
1. Enter Advanced Set-up mode. Push the ENTER key and scroll to
Advanced Set-up security code “22”. Push the ENTER key again.
2. Press the
▲
or
▼
keys to scroll until the upper display shows “CAL”.
3. See section 6 for complete calibration procedures.