Emerson Branson LPX Instruction Manual page 73

Table 6.9 Continuous Mode Operational Sequence
Step
You will be returned to the ready screen. The LCD will show
6
Continuous Mode icon.
To start ultrasonics, press and hold the Start/Stop key.
Release the Start/Stop key to stop ultrasonics.
7
If using an user I/O interface, send a Start signal by
shorting pins 2 and 6 to start ultrasonics. Open pins 2 and 6
to stop ultrasonics.
WARNING
100-412-196 REV. 06
Action
General Warning
Do NOT touch the vibrating horn, or place the vibrating horn against
solid objects. Touching or holding the horn can result in burns or
injury, and contacting solid materials with the vibrating horn or tip
can cause breakage.
Reference
63