Backlight; Display Description - Hach DR 900 Manuel De L'utilisateur

Figure 6 Keypad description
1 BACKLIGHT: set the display
illumination to on or off
1
2 SETTINGS: setup options
3 LEFT selection key
(contextual): access for
options, cancels or exits the
current menu screen to the
previous one

4.2 Display description

The reading screen shows the selected mode, unit, date and time,
operator ID and sample ID. Refer to
1
While in an edit mode, the key does not operate.
2
When an UP or DOWN key is held, it scrolls fast. When a LEFT or RIGHT key is pushed, it scrolls by page.
4 RIGHT selection key
(contextual): read sample,
selects or confirms options,
opens sub-menus
5 Navigation keys UP, DOWN,
RIGHT, LEFT: scroll through
menus, enter numbers and
2
letters
6 HOME/Options: go to the main
1
reading screen , select
program, data management
Figure 7.
Figure 7 Single screen display
1 Program name and number
2 Reading value, unit, chemical
form, under "---" or over
measuring range "+++"
3 Standard adjust icon
4 Battery status
5 Reagent blank icon
6 Timer
7 Time and date
8 Read (contextual: done, select,
start, ok)
9 Zero (contextual: navigation
key UP arrow)
10 Options (contextual: back,
cancel)
11 Operator identification
12 Sample identification
English 9