Instron 4400 Series Operator's Manual page 176

Energy
To obtain a printout of energy values at the end of a test,
enter the key sequence:
The Main Panel Display will show either:
Toggle the [+/–] key until the required display appears.
6-38
[S1] [3] [+/–]
SL–3 to suppress printout, or
SL 3 to enable printout
M10-94400-1