Labcyte Echo 520, User Manual, Page: 69 / 200

System Description
3-11
3.2.6 LCD screen
There is a four-row LCD screen on the front of the Echo liquid handler and
a duplicate on the rear panel. They display messages that report what the
Echo liquid handler is doing or what operator action is required. Types of
messages displayed include the following:
 Operating states
 Procedure progress
 Status
 Requests for operator assistance
3.2.7 Emergency Off switch
The Emergency Off switch, also known as the EMO (Emergency “Motion”
Off) switch can be used in an emergency to shut down all mechanical
activity in the Echo liquid handler. There are two Emergency off switches,
one on the front panel and one on the rear panel of the Echo liquid
handler.
Figure 3.11 Location of Emergency Off switches
 To use the Emergency Off switch in an emergency, push it in.
 To reset the Emergency Off switch, turn the knob clockwise until it
pops out (see arrows etched in the knob).
Emergency
Off switch