diff --git a/ATmega48_Piezo_Sensor/ATmega48_Piezo_Sensor.ino b/ATmega48_Piezo_Sensor/ATmega48_Piezo_Sensor.ino
index 1421041..6731952 100644
--- a/ATmega48_Piezo_Sensor/ATmega48_Piezo_Sensor.ino
+++ b/ATmega48_Piezo_Sensor/ATmega48_Piezo_Sensor.ino
@@ -37,7 +37,7 @@ int ERR_LED = 3;               // LED will blink if optimal voltage range cannot
 int InitCount = 10;             // Number of times to blink the LED on start
 int V_FOLLOW_PIN = A0;             // Sense pin to check first amp stage voltage output
 int VADJ_SENSE_PIN = A1;           // Sense pin to check comparator stage voltage
-int TRG_DUR = 1000;             // duration of the Z-axis pulse sent, in ms
+int TRG_DUR = 120;             // duration of the Z-axis pulse sent, in ms
 int Vin = 5;                   // input reference voltage
 float senseHighThrs = 2.47;    // Upper threshold voltage of amp circuit before adjustment
 float senseLowThrs = 1.90;     // Lower threshold voltage of amp circuit before adjustment