diff --git a/script/jitter_scan.py b/script/jitter_scan.py
index e1f8baf..f8d502d 100644
--- a/script/jitter_scan.py
+++ b/script/jitter_scan.py
@@ -22,7 +22,8 @@ print "Step = ", step
 
 # controlled variabales
 cv_rf_phase = PV(SECTION + "-RLLE-DSP:PHASE-REFERENCE",'d')
-print cv_rf_phase.readAsync()
+a = cv_rf_phase.readAsync()
+print "a= " , a
 #cv_rf_amplt = ChannelDouble(SECTION + "-RLLE-DSP:AMPLT-REFERENCE")