Hanna Instruments HI 901 - Manual (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
.