7
FRONT PANEL
FUNCTIONAL DESCRIPTION
1 . Liquid Crystal Display
2 . LCD key
enters and exits the event scrolling mode . During pH
calibration, alternately displays pH buffer value or current
temperature
3 . SETUP key
enters and exits setup mode
4 . CAL DATA key
last calibration data viewing (enters and exits)
5 . CAL key
initiates and exits calibration mode
6 .
key
increases the blinking digit/letter by one when selecting
a parameter . Advances forward while in last calibration
data viewing mode or event scrolling mode . Increases
the temperature setting when temperature probe is not
inserted
7 .
key
decreases the blinking digit/letter by one when selecting
a parameter . Reverts backward while in last calibration
data viewing mode or event scrolling mode . Decreases
the temperature setting when temperature probe is not
inserted
8 .
key
moves to the next digit/letter (circular buffer) when selecting
a parameter . Same as
key during last calibration data
viewing mode . Move to the next piece of information for
the current event while in event scrolling mode
9 . CFM key
confirms current choice (and skips to the next item) ENTER
10 . LEDs
Relay’s 1, 2, 3, 4 activation
11 . LEDs
Controller Status, alarm activation
