Hanna Instruments HI 4321 User Manual

Page 16

To set the Date & Time:
• Use

to select the

Date & Time

option.

• Press

and use

to highlight the

desired option you want to modify.

• Press

to confirm your selection. Use

and

and then use

to modify the value with

(for

Set Date and Time

option). For the

other two options press

to confirm your selection and

select one of the displayed formats with

• Press

to confirm your selection and return to the

Date

& Time

options.

• Press

to return to the previous mode.

Note: If the time is changed with more than one hour before last measure parameters user calibration, a pop-up

warning will appear on the LCD, notifying the user that a date/time conflict has occured and some time-
dependent features could work improperly (e.g.

GLP

Log

LCD Setup
This option allows the user to set the

Contrast

, the

Backlight

of the LCD and the

Backlight Saver

. The

Contrast

parameter can be adjusted within 7 steps, while the

Backlight

parameter within 4 steps. The

Backlight Saver

can

be set from 1 to 60 minutes or it can be disabled (OFF). All the changes are visible on the LCD for each parameter.

Note: If the instrument backlight is turned off after the set period of

time, press any key to turn it back on.

To set the LCD:
• Use

to select the

LCD Setup

option;

• Press

and use

key to highlight the desired

parameter;

• Use

to adjust the selected parameter;

• Press

return to the

System Setup

menu with saving.