diff --git a/dump.py b/dump.py
index 0578dd1..196ea51 100755
--- a/dump.py
+++ b/dump.py
@@ -47,6 +47,8 @@ LINES = [
   ('Irradiance threshold (low)', ilt.GetIrradianceThresholdLow, ''),
   ('Clock frequency', ilt.GetClockFrequencyHz, '㎐'),
   ('Feedback resistance', ilt.GetFeedbackResistanceOhm, 'Ω'),
+  ('Feedback resistor', lambda: ilt.FEEDBACK_RES_NAMES[ilt.GetFeedbackResistor()], ''),
+  ('Feedback resistor setting', lambda: ilt.FEEDBACK_RES_NAMES[ilt.GetFeedbackResistorSetting()], ''),
   ('Factory dark', ilt.GetFactoryDarkVoltages, 'V'),
   ('User dark', ilt.GetUserDarkVoltages, 'V'),
   ('Ambient', ilt.GetAmbientCurrent, 'A'),
diff --git a/ilt1000.py b/ilt1000.py
index d984262..95c6a2c 100755
--- a/ilt1000.py
+++ b/ilt1000.py
@@ -56,7 +56,6 @@ class CommandError(Error):
 # getecaldate
 # setecal
 
-# getfeedbackresnumber
 # usefeedbackrestemp
 # setfeedbackres
 
@@ -107,6 +106,13 @@ class ILT1000(object):
   FEEDBACK_RES_MEDIUM = 2
   FEEDBACK_RES_HIGH = 3
 
+  FEEDBACK_RES_NAMES = {
+    0: 'Auto',
+    1: 'Low',
+    2: 'Medium',
+    3: 'High',
+  }
+
   AVERAGING_AUTO = 0
   AVERAGING_LOW = 1  # 5 ㎐
   AVERAGING_MEDIUM = 2  # 2 ㎐
@@ -255,6 +261,12 @@ class ILT1000(object):
     ret = self._SendCommand('getfeedbackres')
     return float(ret) * 100
 
+  def GetFeedbackResistor(self):
+    return int(self._SendCommand('getfeedbackresnumber'))
+
+  def GetFeedbackResistorSetting(self):
+    return int(self._SendCommand('usefeedbackres'))
+
   def SetFeedbackResistor(self, resistor=FEEDBACK_RES_AUTO):
     self._SendCommandOrDie('usefeedbackres %d' % resistor)