Hach EC1000, Instruction Manual

Page: 36 / 128

36
To set the keyboard lockout status, press
SETUP
to call up the setup menu:
Press the
UP ARROW
key three times to scroll to:
To call up the keyboard lockout code entry, press
ENTER
.
Using the
UP ARROW
and
DOWN ARROW
keys, enter the lockout code.
To key in the keyboard lockout code entry, press
ENTER
.
If the code is correct, the submenu is entered.
Scroll to the desired lockout status by pressing the
DOWN ARROW
key or the
UP ARROW
key.
When the selection is made, press
ENTER
.
Press
CLEAR
to back out to the top level of the menu or press the
pH/mV
key to exit
the menu.
2.2.7 Reference Solution Timer
Note: The reference
solution timer is not used
with the non-refillable
Industrial Process pH
Electrode, Cat. No.
48276-00. However,
operators using the
Industrial Electrode are
required to reset the timer
as described.
A reference electrolyte timer is provided, which indicates when the reference electrolyte
bottle needs to be filled. Reset the timer each time the electrolyte reservoir is filled. At the
end of 30 days, the timer times out, and a system warning is displayed.
To reset the timer, press
SETUP
to call up the setup menu.
Press the
UP ARROW
twice to scroll to:
To reset the timer when adding new electrolyte to the system, press
ENTER
.
Press
ENTER
.
The display indicates OK momentarily and returns to TiMeR ReSeT. Press
CLEAR
to back
out to the top level menu, or press
pH/mV
to exit the menu.
2.2.8 Warnings
System warnings are provided to indicate possible problems in the meter and/or electrode.
If any system warning is present, the system warning LED on the front panel lights. The
WARNINGS entry of the setup menu is used to display and clear the warnings. Refer to