Hach-Lange POLYMETRON 9240 Operator Manual - Manual (Page 78)

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System Setup
6.4 Passwords
6.5 Default values
Select the PASSWORDS option to set passwords for access
to programming, calibration and system setup options.
By default all passwords are set to 0000.
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.
Select the DEFAULT VALUES option to erase all the
previously set user parameters and load the default values
(refer to
Default Configuration on page 121 for a list of all the
default values).
A warning message is displayed and confirmation of this
action is required.
To exit from the screen without loading the default values,
press the Esc function key.
To load the default values, select the Yes option.
A number of informational screens will be displayed during the
process.
When the process is complete, the display reverts to the
measurement screen.