
72
Thermo Fisher Scientific
User Guide STP420D/STP420ES
routine operations
Starting a Protocol
• Select
Open
to open the chamber without draining the reagent.
• Select
Terminate
to start draining the final reagent and release
the chamber for opening.
The touch screen displays protocol progress either as a graphic or as a
table.
From the start the device performs a protocol of various self-tests,
including a pressure test. When the chamber is not closed properly, the
screen displays an error code.
When the preparatory tests are completed successfully, the protocol first
step starts.
To prevent misuse of the device, the touch screen is locked. and will
show the “Locked” icon (see Section 1-6 User Profiles) in the Status
window (see Section 1-5-3 Status window):
Protocol progress
Figure 32.
Display of the “Locked“ icon.
[1]
Locked
[1]