diff --git a/examples/bias10-LSSTTD-1575.cfg b/examples/bias10-LSSTTD-1575.cfg
new file mode 100644
index 0000000..c6ec9fb
--- /dev/null
+++ b/examples/bias10-LSSTTD-1575.cfg
@@ -0,0 +1,20 @@
+# BOT EO configuration file
+
+# specify which acquisition sequences to run
+#
+[ACQUIRE]
+bias1
+bias2
+
+[CONFIG]
+IDLE_FLUSH=True
+
+# Bias
+#
+[BIAS1]
+acqtype=bias
+COUNT=4         # number of bias frames, for BIAS image & noise analysis
+
+[BIAS2]
+acqtype=bias
+COUNT=6         # number of bias frames, for BIAS image & noise analysis
diff --git a/lib/acquire.py b/lib/acquire.py
index fa91c16..e90d299 100755
--- a/lib/acquire.py
+++ b/lib/acquire.py
@@ -554,3 +554,9 @@ def do_scan(options):
     print "scan called %s" % options
     tc = ScanTestCoordinator(options)
     tc.take_images()
+
+def do_one_time_config(options):
+    print "one_time_config called %s" % options
+    if "idle_flush" in options:
+        idle_flush = options.getBool("idle_flush")
+        fp.fp.sequencerConfig().change("idleFlushTimeout", 0 if idle_flush else -1)
diff --git a/lib/config.py b/lib/config.py
index 44f7790..3088335 100755
--- a/lib/config.py
+++ b/lib/config.py
@@ -36,6 +36,10 @@ def execute(config, command_line_options):
        time.sleep(30)	# wait a bit for getting settled
        command_line_options["symlink"] = "/".join([symlink,alabel])
 
+    one_time_config = config.items("CONFIG")
+    if one_time_config:
+       acquire.do_one_time_config(Config(dict(one_time_config)))
+
     items = config.options("ACQUIRE")
     for item in items:
        options = Config(dict(config.items(item.upper())))
@@ -70,5 +74,15 @@ def getFloat(self, key, defaultValue=None):
           raise Exception('Missing config value %s' % key)
      return float(value)
 
+  def getBool(self, key, defaultValue=None):
+     value = self.get(key)
+     if not value:
+       if defaultValue != None:
+          return defaultValue
+       else:
+          raise Exception('Missing config value %s' % key)
+     return value.lower() in ['true', '1', 't', 'y', 'yes']
+
+
   def getList(self, key):
      return self.get(key).replace('\n','').split(',')