diff --git a/ohmpi/hardware_components/abstract_hardware_components.py b/ohmpi/hardware_components/abstract_hardware_components.py
index 06b6f8bad1590d7ced89cfab6155a5f8adc5e3a1..27308832c6e9e7d1058368b7bbf47baab470b2f7 100644
--- a/ohmpi/hardware_components/abstract_hardware_components.py
+++ b/ohmpi/hardware_components/abstract_hardware_components.py
@@ -381,6 +381,7 @@ class RxAbstract(ABC):
         self._max_sampling_rate = np.inf
         self._latency = kwargs.pop('latency', 0.)
         self._bias = kwargs.pop('bias', 0.)
+        self._vmn_hardware_offset = kwargs.pop('vmn_hardware_offset', 0.)
 
     @property
     def adc_gain(self):
diff --git a/ohmpi/hardware_components/mb_2023_0_X.py b/ohmpi/hardware_components/mb_2023_0_X.py
index 6cdc7cff7f7f00dace868e08e5092a82a8b17521..e5f90ebae677545d29ce3b6c3a96c959a467fc67 100644
--- a/ohmpi/hardware_components/mb_2023_0_X.py
+++ b/ohmpi/hardware_components/mb_2023_0_X.py
@@ -18,6 +18,7 @@ SPECS = {'rx': {'sampling_rate': {'min': 2., 'default': 10., 'max': 100.},
                 'bias':  {'min': -5000., 'default': 0., 'max': 5000.},
                 'coef_p2': {'default': 2.50},
                 'voltage_min': {'default': 10.0},
+                'vmn_hardware_offset': {'default': 0.}
                 },
          'tx': {'adc_voltage_min': {'default': 10.},  # Minimum voltage value used in vmin strategy
                 'adc_voltage_max': {'default': 4500.},  # Maximum voltage on ads1115 used to measure current
@@ -141,7 +142,7 @@ class Tx(TxAbstract):
         assert self.adc_voltage_min / (50 * self.r_shunt)  <= value <= self.adc_voltage_max / (50 * self.r_shunt)
         self.exec_logger.warning(f'Current pulse is not implemented for the {self.board_name} board')
 
-    def gain_auto(self):
+    def gain_auto_one_pulse(self):
         self._adc_gain_auto()
 
     def inject(self, polarity=1, injection_duration=None):
@@ -250,7 +251,7 @@ class Rx(RxAbstract):
         self.gain = gain
         self.exec_logger.event(f'{self.board_name}\trx_adc_auto_gain\tend\t{datetime.datetime.utcnow()}')
 
-    def gain_auto(self):
+    def gain_auto_one_pulse(self):
         self._adc_gain_auto()
     @property
     def voltage(self):