Notice the "blips" in the top and bottom traces. This is an indication of motor activity, the top trace showing the vibration (audio) and the bottom showing increased current used to operate the motors.
This sample shows the cooldown phase. The bottom trace showing proportional control of the TEC power and the second to the bottom trace showing the slowly decreasing temperature of the Reticon main detector.
The data to be graphed and/or limit checked can be selected using the popup menu show below.