diff --git a/__main__.py b/__main__.py
index f4d793e..78a2c2f 100755
--- a/__main__.py
+++ b/__main__.py
@@ -28,8 +28,8 @@ if __name__ == "__main__":
 
     verbose = args.verbose
 
-    proj = ProjectorSerial()
-    extr = ExtronSerial()
+    proj = ProjectorSerial(verbose)
+    extr = ExtronSerial(verbose)
 
     if args.input:
         proj.power_on()
diff --git a/extron.py b/extron.py
index fef40dd..3d649ef 100644
--- a/extron.py
+++ b/extron.py
@@ -36,8 +36,8 @@ class ExtronSerial(SerialDevice):
         baudrate = 9600
         super().__init__(serial_port, baudrate, verbose)
 
-    def send_command(self, command: str, verbose: bool = False) -> str:
-        response = super().send_command(command, verbose)
+    def send_command(self, command: str) -> str:
+        response = super().send_command(command)
 
         if response[0] == "E":
             print(response, self.ERRORS.get(response, "Unknown"))
diff --git a/projector.py b/projector.py
index 55b3dc5..b799f43 100644
--- a/projector.py
+++ b/projector.py
@@ -11,14 +11,12 @@ class ProjectorSerial(SerialDevice):
 
         super().__init__(serial_port, baudrate, verbose)
 
-    def send_command(
-        self, command: str, verbose: bool = False, device_id: str = "ZZ"
-    ) -> str:
+    def send_command(self, command: str, device_id: str = "ZZ") -> str:
         assert device_id in ["01", "02", "03", "04", "05", "06", "ZZ"]
 
         full_command = f"\x02AD{device_id};{command}\x03"
 
-        return super().send_command(full_command, verbose)
+        return super().send_command(full_command)
 
     def power_on(self) -> None:
         self.send_command("PON")
diff --git a/serialdevice.py b/serialdevice.py
index f34d64f..a48d9f7 100644
--- a/serialdevice.py
+++ b/serialdevice.py
@@ -10,11 +10,10 @@ class SerialDevice:
         self.baudrate = baudrate
         self.verbose = verbose
 
-    def send_command(self, command: str, verbose: bool = False) -> str:
-        verbose = verbose or self.verbose
+    def send_command(self, command: str) -> str:
 
         with Serial(self.serial_port, self.baudrate, timeout=1) as s:
-            if verbose:
+            if self.verbose:
                 print("Send:", command)
 
             s.write(command.encode())
@@ -30,7 +29,7 @@ class SerialDevice:
             else:
                 response = ""
 
-            if verbose:
+            if self.verbose:
                 print("Resp:", response)
             if not response:
                 print("No response")