Hach DR/820 Instrument Manual page 12

SECTION 1,
continued
Figure 2 Keypad
KEY
Allows the user to select a program. Also used as a numeric key function when the "#"
icon is illuminated at the base of the display screen.
Accesses the SETUP menu (the SETUP icon illuminates in the upper left-hand corner of
the display screen). The setup menu provides access to options such as reagent blank,
standard adjust, user-entered programs, and instrument configurations.
Also used as a numeric key function when the "#" icon is illuminated at the base of the
display screen.
Prints currently displayed data. In the RECALL menu, prints recalled data. Also used as a
numeric key function when the "#" icon is illuminated at the base of the display screen.
Use this key to turn the instrument on and, when the instrument is on and the EXIT icon is
not illuminated, press this key to turn the instrument off.
When the EXIT icon is illuminated at the base of the display screen, the
the current entry or selection.
Table 1 Keys and Descriptions
DESCRIPTION
10
key cancels
EXIT