Hach-Lange POLYMETRON 9240 Basic User Manual - Manual (Page 14)

Main menu
The main menu is accessible from any one of the measurement screens. To access the main menu
screen press the Up Arrow function key under the Menu option.
Note: Access to the Main Menu will require a password if a PROGRAMMING password has been set (see
Passwords on page 14).
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 VERIFICATION on page 21
• GRAB SAMPLE - See section entitled GRAB SAMPLE on page 22
• CALIBRATION - See section entitled CALIBRATION on page 18
• MAINTENANCE/DIAG. - See section entitled MAINTENANCE/DIAG. on page 22
• USER SETUP - See section entitled USER SETUP on page 15
• SYSTEM SETUP - See section entitled SYSTEM SETUP on page 14
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.
14 English