28
Thermo Fisher Scientific
User Guide STP420D/STP420ES
introduction
Touch Screen Monitor
1-5-2 Using the touch
screen
You can carry out every operation from the touch screen.
A virtual numeric keypad is available for entering numbers, and an
alpha-numeric one for text and numbers.
• The title bar tells you the parameter to enter in the input field,
directly below it.
• Maximum and minimum possible values for the parameter appear
immediately below the input field.
• The instrument checks that the value you enter is valid. Confirm
your entry by pressing
Enter
.
Note!
Invalid entries: Entries that fall outside the valid limits are shown in red
and cannot be confirmed by pressing Enter. In this case, use the < key to
delete digits.
Figure 7.
The numeric keypad.
[1] Title bar
[2] Input field
[3] Maximum and minimum possible values
Minimum: 0 Maximum: 1000
Number of cassettes
1
2
3
4
5
6
7
8
9
+
Cancel
Enter
.
0
-
x
360
<
[1]
[2]
[3]
