Gram OM 60-57 RT Instruction Manual page 20

Adjust water hardness setting of your machine according to the level specified on the
test track.
Enter the menu to change water hardness. In order to enter the menu settings,
hold the option and delay buttons for 3 seconds. The display will show an
expression ("Keep Pressing .. X")
hold the button. When this number is zero, you will see the
After entering the menu, select
The number " X "
2. Water Hardness: X
Then, press the confirmation button (3), the
value by using up/down selection buttons.
Press the confirmation button ( 3 ) to save the settings; the expression
on the display.
Your settings will be saved and the display automatically returns to the water hardness
setting menu.
In order to exit the menu, you may hold the option and delay buttons for 3 seconds
like you did when entering the menu or you may select the seventh row
in the menu with the confirmation button.
to let you know how many more seconds you have to
"2. Water Hardness: X"
will be similar to the following values : L01,L02,L03,L04,L05,L06.
Stored
"Settings Menu"
by using up/down selection buttons.
"X" value will start flashing. Select the desired
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on the display.
"Stored" will appear
( 7. Exit Menu )