diff --git a/ohmpi/hardware_components/ohmpi_card_3_15.py b/ohmpi/hardware_components/ohmpi_card_3_15.py
index 828d9166870325802e5b7d2f485c99cf7ef48d21..b630ffa1435c56f8f8834d39f30d5720a47ebf8d 100644
--- a/ohmpi/hardware_components/ohmpi_card_3_15.py
+++ b/ohmpi/hardware_components/ohmpi_card_3_15.py
@@ -206,7 +206,7 @@ class Rx(RxAbstract):
         super().__init__(**kwargs)
         if self.ctl is None:
             self.ctl = ctl_module.Ctl()
-
+        print(f'ctl: {self.ctl}')  # TODO: delete me!
         # ADS1115 for voltage measurement (MN)
         self._ads_voltage_address = 0x49
         self._adc_gain = 2/3