diff --git a/Sharp7.Monitor/ReadPlcCommand.cs b/Sharp7.Monitor/ReadPlcCommand.cs
index dbcd2e9..207d07b 100644
--- a/Sharp7.Monitor/ReadPlcCommand.cs
+++ b/Sharp7.Monitor/ReadPlcCommand.cs
@@ -6,7 +6,6 @@ using Sharp7.Rx;
 using Sharp7.Rx.Enums;
 using Spectre.Console;
 using Spectre.Console.Cli;
-using Spectre.Console.Rendering;
 
 namespace Sharp7.Monitor;
 
@@ -31,27 +30,6 @@ internal sealed class ReadPlcCommand : AsyncCommand<ReadPlcCommand.Settings>
         return 0;
     }
 
-    private static IRenderable FormatCellData(object value)
-    {
-        return value switch
-        {
-            IRenderable renderable => renderable,
-            Exception ex => new Text(ex.Message, CustomStyles.Error),
-            byte[] byteArray => new Text(string.Join(" ", byteArray.Select(b => $"0x{b:X2}")), CustomStyles.Hex),
-            byte => FormatNo(),
-            short => FormatNo(),
-            ushort => FormatNo(),
-            int => FormatNo(),
-            uint => FormatNo(),
-            long => FormatNo(),
-            ulong => FormatNo(),
-
-            _ => new Text(value.ToString() ?? "", CustomStyles.Default)
-        };
-
-        Markup FormatNo() => new($"[lightgoldenrod2_1]0x{value:X2}[/]  {value}", CustomStyles.Default);
-    }
-
     private static async Task RunProgram(Settings settings, CancellationToken token)
     {
         AnsiConsole.MarkupLine($"Connecting to plc [green]{settings.PlcIp}[/], CPU [green]{settings.CpuMpiAddress}[/], rack [green]{settings.RackNumber}[/]. ");
@@ -105,8 +83,7 @@ internal sealed class ReadPlcCommand : AsyncCommand<ReadPlcCommand.Settings>
                     foreach (var record in variableContainer.VariableRecords)
                         if (record.HasUpdate(out var value))
                             table.Rows.Update(
-                                record.RowIdx, 1,
-                                FormatCellData(value)
+                                record.RowIdx, 1, RenderUtil.FormatCellData(value)
                             );
 
                     ctx.Refresh();
diff --git a/Sharp7.Monitor/RenderUtil.cs b/Sharp7.Monitor/RenderUtil.cs
new file mode 100644
index 0000000..db07b61
--- /dev/null
+++ b/Sharp7.Monitor/RenderUtil.cs
@@ -0,0 +1,44 @@
+using Spectre.Console;
+using Spectre.Console.Rendering;
+
+namespace Sharp7.Monitor;
+
+internal static class RenderUtil
+{
+    public static IRenderable FormatCellData(object value)
+    {
+        return value switch
+        {
+            IRenderable renderable => renderable,
+            Exception ex => new Text(ex.Message, CustomStyles.Error),
+            byte[] byteArray => FormatByteArray(byteArray),
+            byte => FormatNo(),
+            short => FormatNo(),
+            ushort => FormatNo(),
+            int => FormatNo(),
+            uint => FormatNo(),
+            long => FormatNo(),
+            ulong => FormatNo(),
+
+            _ => new Text(value.ToString() ?? "", CustomStyles.Default)
+        };
+
+        IRenderable FormatNo() => new Paragraph()
+            .Append($"0x{value:X2}", CustomStyles.Hex)
+            .Append("   ")
+            .Append($"{value}", CustomStyles.Default)
+        ;
+
+        IRenderable FormatByteArray(byte[] byteArray) =>
+            new Paragraph()
+                .Append("0x " + string.Join(" ", byteArray.Select(b => $"{b:X2}")), CustomStyles.Hex)
+                .Append(Environment.NewLine)
+                .Append(new string(
+                            byteArray
+                                .Select(b => (char) b)
+                                .Select(c => char.IsControl(c) ? '·' : c)
+                                .ToArray()
+                        )
+                );
+    }
+}