Thermo Fisher Scientific Alpha pH 1000 - Manual (Page 29)

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7.6.8 Reverting to factory default settings
Use this parameter to reset all settings to factory default.
1) Follow directions in 7.6.1 to enter Configuration mode.
2) Press the ENTER key until the upper display shows “no”,
“FCt” or “CAL”, and the lower display shows “deF” (default).
3) Press the
▲ or ▼ key to select “no” for using the old values,
“FCt” to reset all settings to factory defaults or “CAL” to reset
calibration values only to the factory default values.
WARNING: Changing from “no” to “FCt” or “CAL” and pressing the
ENTER key resets all settings or the calibration values
respectively to factory defaults.
4) Press the ENTER key to confirm your selection and to return
to Advanced Set-up mode, or return to Measurement mode by
pressing the
▲ and ▼ keys simultaneously (escape).
7.7 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.
7.7.1
Entering the Calibration mode from Advanced Set-up mode
1) Enter Advanced Set-up mode. Press the ENTER key and scroll to Advanced Set-up
security code “22”. Press the ENTER key again.
2) Press the
▲ or ▼ key to scroll until the upper display shows “CAL”.
3) See Section 6 for complete calibration procedures.
SETUP
HOLD
Cal
SETUP
HOLD
SETUP
HOLD