Hanna-instruments HI 904 Manual de usuario descargar pdf (Pagina 40)

3-4

USER INTERFACE

3.2 Description

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

fields and entering values from the keypad.

3.2.1 Keypad

The titrator’s keypad is grouped into five categories, as follows:

3.2.1.1 Function Keys

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

the keys are only active in specific screens:

Starts or stops titration sequence

Turns the stirrer ON and OFF (

Idle

mode only)

Reserved

Access the results menu

Displays contextual Help

3.2.1.2 Option Keys

These keys are assigned to the virtual keys on the display. Their functions are listed in the

boxes above the buttons and vary depending on the displayed screen.

An underlined virtual key can also be activated by pressing .

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Hanna-instruments HI 904 Manual de usuario Pagina 40