Hanna-instruments HI 904 Manual de usuario descargar pdf (Pagina 41)

3-5

USER INTERFACE

3.2.1.3 Arrow Keys

These keys have the following functions:

• Move the on-screen cursor.

• Increase and decrease the stirrer speed and other settings.

• In the alphanumeric screen, to select a character.

• To navigate through menu options.

3.2.1.4 Numeric Keys

Keys to Used for numeric entries.

Toggles between positive and negative values.

Decimal point.

Initiates entry of exponent for scientific notation.

3.2.1.5 Enter Key

Both , keys perform the same functions:

• Accepts alphanumeric data entry.

• Executes the default (underlined) virtual option key.

3.2.2 Display

The titrator has a large color graphical display.

The standby mode screen

is shown below

with short explanations of the screen segments.

The user interface contains several screens for each titrator function.

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Hanna-instruments HI 904 Manual de usuario Pagina 41