System Setup; Display Options; Default Values - Hach POLYMETRON 9240 Multi-Channel Sodium Manuel D'utilisation De Base

The first option in the menu will always be highlighted by default. To scroll to the option required,
press the Up Arrow function key under the Select option. Detailed information on each of the main
menu options is available elsewhere in this manual as follows:
• VERIFICATION - See section entitled
• GRAB SAMPLE - See section entitled
• CALIBRATION - See section entitled
• MAINTENANCE/DIAG. - See section entitled
• USER SETUP - See section entitled
• SYSTEM SETUP - See section entitled

SYSTEM SETUP

Date and time
1. Select the DATE/TIME option to access the date/time sub-menu.
2. Scroll to the required day and press the Enter function key.
3. Enter the day, month, and year.
4. Enter the time in HH:MM:SS format (24 hour clock).
5. On completion press Esc to return to the main System Setup menu.

Display options

1. Select the DISPLAY option to set up the display parameters.
2. Select the LANGUAGE, CONC. UNIT and TEMPERATURE UNIT fields in turn, and set your
preferences by scrolling through the available options.
Passwords
1. Select the PASSWORDS option to set passwords for access to programming, calibration and
system setup options.
2. Each password is a 4-digit numeric field. Enter the required value for each of the three
passwords. A value of 0000 signifies no password is required to gain access to those menu
options.

Default values

1. Select the DEFAULT VALUES option to erase all the previously set user parameters and load
the default values. A warning message is displayed and confirmation of this action is required.
2. To exit from the screen without loading the default values, press the Esc function key.
3. To load the default values, select the Yes option.
Adjust mA output
1. Select the ADJUST mA OUTPUT option to access the analyzer's analog output parameters.
2. Select the mA output you wish to change to display the next screen.
3. The option to increase or decrease the low end value (0 mA or 4 mA depending on your setting)
is displayed. Change the value up or down by selecting the Minus or Plus indicators at the
bottom of the screen.
4. On completion press the Enter function key and the display changes to 20 mA.
5. Enter the adjustment value in the same way as for the low end value. On completion press the
Enter function key, and the display reverts back to the main ADJUST mA OUTPUT screen, to
allow you to select the next output to adjust.
VERIFICATION on page 22
GRAB SAMPLE on page 23
CALIBRATION on page 19
MAINTENANCE/DIAG.
USER SETUP on page 16
SYSTEM SETUP on page 15
on page 23
English 15