diff --git a/instruments/AG53230A.py b/instruments/AG53230A.py
index 403baa2..421537b 100644
--- a/instruments/AG53230A.py
+++ b/instruments/AG53230A.py
@@ -37,6 +37,9 @@ class AG53230A(abstract_instrument):
 
     def configure(self):
         for ch in self.channels:
+            self.send('INP:COUP AC')
+            self.send('INP:IMP 50')
+            self.send('SENS:FREQ:GATE:TIME 1')
             self.send(CONF_VAL_TYPE[ALL_VAL_TYPE.index(self.vtypes[self.channels.index(ch)])])
 
     def getValue(self):