diff --git a/src/aare/devices/area_detector.py b/src/aare/devices/area_detector.py
index 07d70a5e..56c75201 100644
--- a/src/aare/devices/area_detector.py
+++ b/src/aare/devices/area_detector.py
@@ -46,14 +46,14 @@ class epicsAD(object):
         self.data = epics.PV(prefix + image + "ArrayData")
         self.counter = epics.PV(prefix + cam + "ArrayCounter_RBV")
         self.busy = epics.PV(prefix + cam + "AcquireBusy", auto_monitor=True)
-
-        self.aoi_start_x = epics.PV(prefix + image + "GC_AutFunAOIOffsetX")
-        self.aoi_start_y = epics.PV(prefix + image + "GC_AutFunAOIOffsetY")
-        self.aoi_size_x = epics.PV(prefix + image + "GC_AutFunAOIWidth")
-        self.aoi_size_y = epics.PV(prefix + image + "GC_AutFunAOIHeight")
+        self.aoi_start_x = epics.PV(prefix + cam + "GC_AutFunAOIOffsetX")
+        self.aoi_start_y = epics.PV(prefix + cam + "GC_AutFunAOIOffsetY")
+        self.aoi_size_x = epics.PV(prefix + cam + "GC_AutFunAOIWidth")
+        self.aoi_size_y = epics.PV(prefix + cam + "GC_AutFunAOIHeight")
 
         self.gain_max = epics.PV(prefix + cam + "GC_AutGainUpperLimit")
         self.exp_max = epics.PV(prefix + cam + "GC_AutExpTimUppLimit")
+        self.auto_white_balance = epics.PV(prefix + cam + "GC_BalanceWhiteAuto")
         self.__init_auto_exp()
 
         try:
@@ -68,6 +68,8 @@ class epicsAD(object):
         self.aoi_size_y.put(settings.aoi_size_y)
         self.gain_max.put(settings.gain_max)
         self.exp_max.put(settings.exp_max)
+        self.set_auto_once()
+        self.auto_white_balance.put(1)
 
     def monitorCB(self, epicsArgs, userArgs):
         self.img = epicsArgs["pv_value"]
@@ -173,13 +175,13 @@ class epicsAD(object):
         self.acquire.put(1)
 
     def set_auto_once(self):
-        self.expo_mode.put(1)
-        self.gain_mode.put(1)
+        self.expo_mode.put(AutoEnum.ONCE)
+        self.gain_mode.put(AutoEnum.ONCE)
 
     def set_manual(self):
         self.acquire.put(0, wait=True)
-        self.gain_mode.put(0)  # automatic gain control
-        self.expo_mode.put(0)  # automatic exposure control
+        self.gain_mode.put(AutoEnum.MANUAL)  # automatic gain control
+        self.expo_mode.put(AutoEnum.MANUAL)  # automatic exposure control
         self.acquire.put(1)
 
     def restore(self, gain: float = 5, expo: float = 0.025):