a little more comment on val_mapping

qdev-dk-archive · Feb 9, 2016 · db00d08 · db00d08
1 parent c5c318b
commit db00d08
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/qcodes/instrument/parameter.py b/qcodes/instrument/parameter.py
@@ -210,7 +210,7 @@ def __init__(self, instrument, name,
         parse_function: DEPRECATED - use get_parser instead
 
         val_mapping: a bidirectional map from data/readable values to
-            instrument codes, expressed as a dict.
+            instrument codes, expressed as a dict {data_val: instrument_code}
             For example, if the instrument uses '0' to mean 1V and '1' to mean
             10V, set val_mapping={1: '0', 10: '1'} and on the user side you
             only see 1 and 10, never the coded '0' and '1'