Hanna Instruments HI 4421 - Manual (Page 12)

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The System Setup menu allows the user to customize the user interface, consult the meter information, set the
external serial communication interface and to restore the manufacturer settings.
Accessing System Setup
• Press
while in Measure mode.
• Press . The system setup options will be displayed
on the LCD.
To access a System Setup option:
• Use
or to highlight the desired option.
• Press to access the selected option.
The following is a detailed description of the System Setup option
screen.
Beeper
This option allows the user to enable or disable the beeper. When the beeper is enabled, a specific beep will
be heard when the reading becomes stable, when an alarm condition is reached, when pressing a key or if
a wrong key is pressed.
Stability Indicator
When the reading becomes stable, the instrument delivers a medium beep only if this option is activated, along
with the “Stable” indicator on the LCD.
Alarm
If this option is activated, a continuous double beep will be heard each time the set limits in Measure mode are
exceeded, along with the “Alarm” indicator on the LCD.
Key Pressed
If this option is activated, a short beep will be heard each time a valid key is pressed.
Wrong Key
If this option is activated, a long beep will be heard when an incorrect key is pressed.
SYSTEM SETUP SYSTEM SETUP SYSTEM SETUP SYSTEM SETUP SYSTEM SETUP