diff --git a/pyrelacs/repros/attcs3310.py b/pyrelacs/repros/attcs3310.py
index cb9878e..9132e2d 100644
--- a/pyrelacs/repros/attcs3310.py
+++ b/pyrelacs/repros/attcs3310.py
@@ -1,122 +1,18 @@
-import ctypes
 import time
 
 import uldaq
 from IPython import embed
-from pyrelacs.repros.repos import Repos
+from pyrelacs.repros.repos import MccDac
 from pyrelacs.util.logging import config_logging
 import numpy as np
-import matplotlib.pyplot as plt
 
 log = config_logging()
 
 
-class Attenuator(Repos):
+class Attenuator(MccDac):
     def __init__(self) -> None:
         super().__init__()
 
-    def check_attenuator(self):
-        """
-        ident     : attdev-1
-        strobepin : 6
-        datainpin : 5
-        dataoutpin: -1
-        cspin     : 4
-        mutepin   : 7
-        zcenpin   : -1
-        """
-        t = np.arange(0, DURATION, 1 / SAMPLERATE)
-        data = AMPLITUDE * np.sin(2 * np.pi * SINFREQ * t)
-        data_channels = np.concatenate((data, data))
-
-        db_values = [0, 0, -2, -5, -10, -20, -50]
-        for i, db_value in enumerate(db_values):
-            log.info(f"Attenuating the Channels, with {db_value}")
-            if i == 1:
-                log.info("Muting the Channels")
-                self.set_attenuation_level(
-                    db_value, db_value, mute_channel1=True, mute_channel2=True
-                )
-            else:
-                self.set_attenuation_level(db_value, db_value)
-
-            stim, ao_device = self.write_analog_dac(
-                data_channels,
-                [0, 1],
-                SAMPLERATE,
-                ScanOption=uldaq.ScanOption.EXTTRIGGER,
-                Range=uldaq.Range.BIP10VOLTS,
-            )
-            self.diggital_trigger()
-
-            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()
-            finally:
-                self.write_bit(channel=0, bit=0)
-                self.disconnect_dac()
-                self.connect_dac()
-                self.set_analog_to_zero()
-
-            log.info("Sleeping for 1 second, before next attenuation")
-            time.sleep(1)
-        self.deactivate_attenuator()
-
-    def set_attenuation_level(
-        self,
-        db_channel1: float = 5.0,
-        db_channel2: float = 5.0,
-        mute_channel1: bool = False,
-        mute_channel2: bool = False,
-    ):
-        """
-        ident     : attdev-1
-        strobepin : 6
-        datainpin : 5
-        dataoutpin: -1
-        cspin     : 4
-        mutepin   : 7
-        zcenpin   : -1
-        """
-
-        self.activate_attenuator()
-        hardware_possible_db = np.arange(-95.5, 32.0, 0.5)
-        byte_number = np.arange(1, 256)
-        byte_number_db1 = byte_number[hardware_possible_db == db_channel1][0]
-        binary_db1 = np.binary_repr(byte_number_db1, width=8)
-        byte_number_db2 = byte_number[hardware_possible_db == db_channel2][0]
-        binary_db2 = np.binary_repr(byte_number_db2, width=8)
-        if mute_channel1:
-            log.info("Muting channel one")
-            binary_db1 = "00000000"
-        if mute_channel2:
-            log.info("Muting channel one")
-            binary_db2 = "00000000"
-
-        channels_db = binary_db1 + binary_db2
-        self.write_bit(channel=4, bit=0)
-        for b in channels_db:
-            self.write_bit(channel=5, bit=int(b))
-            time.time_ns()
-            self.write_bit(channel=6, bit=1)
-            time.time_ns()
-            self.write_bit(channel=6, bit=0)
-            time.time_ns()
-        self.write_bit(channel=4, bit=1)
-
-    def activate_attenuator(self):
-        for ch, b in zip([4, 5, 6, 7], [1, 0, 0, 1]):
-            self.write_bit(channel=ch, bit=b)
-
-    def deactivate_attenuator(self):
-        # mute should be enabled for starting calibration
-        self.write_bit(channel=7, bit=0)
-
 
 if __name__ == "__main__":
     SAMPLERATE = 40_000.0