Thermo Fisher Scientific Alpha pH 2000D - Manual (Page 32)

Note: With this parameter you select whether the alarm contact will operate as a steady
contact or a fleeting (single pulse) contact. Pulse contact closing time is 1 second.
7. Resetting the transmitter settings to factory defaults: The display shows “NO DEF”. Press the ▲ or
▼ key to select:
− “NO DEF” = keeps old values active, when confirmed with ENT key
− “CAL DEF” = resets all calibrations to factory defaults, when confirmed with ENT key
− “FCT DEF” = resets all settings to factory defaults, when confirmed with ENT key
Press the ENT key. The selected function will be executed and the transmitter returns automatically to
the Measurement mode.
Continue with Setup mode procedures, or return to Measurement mode by pressing the ▲ and ▼ keys
simultaneously (escape).
6.10 Calibration (CAL) sub-function
The calibration procedure in Setup mode is identical to the procedure in the Calibration mode (see
section 5). The only difference is that the transmitter remains in Setup mode (instead of Measurement
mode) after calibration is completed.
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