default voltage was larger than 1500 mV, preventing the upload

pulse_lib/segments/segment_markers.py

@@ -17,7 +17,7 @@ class reference_marker_4_IQ:
 
 class segment_marker(segment_base):
 	"""docstring for segment_marker"""
-	def __init__(self, name, HVI_variable_data = None, marker_voltage = 2500):
+	def __init__(self, name, HVI_variable_data = None, marker_voltage = 1500):
 		"""
 		init marker object
 		Args: