Keyboard and Displays
Entering setpoints
35
To display the function and its setpoint:
necessary for a few
instrument functions
(Instrument Function Key) ( or )
A B
then, EITHER
( through , , )
0 9
-
.
to enter a new setpoint value
OR, for a few functions,
(or)
to switch the function on or off
ON
OFF
ENTER
Steps in Entering a Setpoint Value
Figure 2-4
For example, to set the A detector zone to 250 C, the following sequence
of keys is pressed:
DET A TEMP
2
5
0
ENTER
function key numeric key(s)
Once detector A temperature is displayed by pressing
DET A TEMP
, the
new setpoint value may be entered at any time thereafter.
Note that the display shows a flashing * (asterisk) while the new
setpoint is entered, disappearing when
ENTER
is pressed.
When
ENTER
is pressed, the setpoint value is verified and, if satisfactory,
becomes the new setpoint for the function. If the entered value is not
satisfactory (out of range, or inconsistent with other, related setpoints),
an appropriate message is displayed. A different value may be entered
immediately, without again pressing the particular function key.
