diff --git a/pyrelacs/repros/calbi.py b/pyrelacs/repros/calbi.py
index 2e4f31b..ca7aa30 100644
--- a/pyrelacs/repros/calbi.py
+++ b/pyrelacs/repros/calbi.py
@@ -1,4 +1,5 @@
 import ctypes
+import time
 
 import uldaq
 from IPython import embed
@@ -20,28 +21,31 @@ class Calibration(Repos):
         data = AMPLITUDE * np.sin(2 * np.pi * SINFREQ * time)
         # sending stimulus
 
-        stim, ao_device = self.send_analog_dac(
+        stim, ao_device = self.write_analog_dac(
             data, [0, 0], SAMPLERATE, ScanOption=uldaq.ScanOption.EXTTRIGGER
         )
+
         # read_data = self.read_analog_daq(
         #     [0, 1], DURATION, SAMPLERATE, ScanOption=uldaq.ScanOption.EXTTRIGGER
         # )
-        data = self.read_digitalio([0, 0], DURATION, SAMPLERATE)
-        self.digital_trigger()
-        ao_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, -1)
-        self.digital_trigger(data=0)
 
-        self.disconnect_dac()
-        self.connect_dac()
-        self.set_analog_to_zero()
-        embed()
-        exit()
+        # trigger the 0 channel to start the aqcuisition
+        self.write_bit(channel=0, bit=1)
+        try:
+            ao_device.scan_wait(uldaq.WaitType.WAIT_UNTIL_DONE, 15)
+        except uldaq.ul_exception.ULException:
+            log.debug("Operation timed out")
+            self.write_bit(channel=0, bit=0)
+            self.disconnect_dac()
+            self.connect_dac()
+            self.set_analog_to_zero()
 
 
 if __name__ == "__main__":
     SAMPLERATE = 40_000.0
-    DURATION = 5
+    DURATION = 10
     AMPLITUDE = 1
-    SINFREQ = 1
+    SINFREQ = 100
     daq_input = Calibration()
-    daq_input.run_calibration()
+    # daq_input.run_calibration()
+    daq_input.attenuator()