Hanna-instruments HI 901 Manuel d'utilisateur télécharger pdf (Page 22)

3-4

USER INTERFACE

3.2 Description

This chapter describes the basic principles of navigating through the user interface, selecting

fields and entering values from the keypad.

3.2.1 Keypad

The titrators keypad is grouped into four categories, as follows:

3.2.1.1 Function Keys

If one of these keys is pressed, the associated function is immediately performed. The

and keys are active only in specific screens:

Displays contextual Help

Turns the stirrer ON and OFF

Gives access to results menu

Reserved

Starts or stops a titration or data logging (when the titrator is in pH or mV mode)

3.2.1.2 Option Keys

These keys are assigned to the virtual-keys on the display. The significance of each option key

depends on the menu displayed on the screen.

The function related to an underlined virtual-key can also be activated by pressing .

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Hanna-instruments HI 901 Manuel d'utilisateur Page 22