Analog Input SmartLeadP-811 Rev B (May 2019)197 Pre-Use Check-Out7.1 Normal Appearance of SignalsThe sensor’s STATUS LED provides a means of communicating its operational state. In the idlestate, the STATUS LED will flash blue at a low, once per second rate. When the sensor is activelymeasuring a signal, the STATUS LED will flash recognizably faster (green).Quick Testing:To ensure that the Analog Input SmartLead is wired properly, each of the signals can be wired to aknown voltage in series as demonstrated below with a 1.5 Volt signal.