diff --git a/src/Display.cpp b/src/Display.cpp
index 9eb7866..293f821 100644
--- a/src/Display.cpp
+++ b/src/Display.cpp
@@ -43,13 +43,13 @@ const bool DOT7[][7][1] = {
     {XX},
   },
   {
-    {__},
-    {XX},
-    {__},
     {__},
     {__},
     {XX},
     {__},
+    {XX},
+    {__},
+    {__},
   },
   {
     {__},
@@ -94,13 +94,13 @@ const bool NUM7[][7][4] = {
     {__, XX, XX, __},
   },
   {
+    {__, __, __, XX},
     {__, __, XX, XX},
     {__, XX, __, XX},
     {XX, __, __, XX},
     {__, __, __, XX},
     {__, __, __, XX},
     {__, __, __, XX},
-    {__, __, __, XX},
   },
   {
     {__, XX, XX, __},
diff --git a/src/Display.h b/src/Display.h
index 7e8d7c1..7955c26 100644
--- a/src/Display.h
+++ b/src/Display.h
@@ -54,7 +54,6 @@ class Display {
   }
 
 public:
-
   explicit Display(): leds(8 * 32, GPIO_NUM_13,NEO_GRB + NEO_KHZ800) {
     //
   }
@@ -74,7 +73,7 @@ public:
         pixels[mapPixel(x, y)] = false;
       }
     }
-    setBrightness(32);
+    setBrightness(64);
     clear();
     show();
   }
@@ -86,11 +85,11 @@ public:
   }
 
   void setPixel(const int x, const int y, const Color &color) {
-    const auto index = mapPixel(x, y);
-    if (index >= 8 * 32) {
-      Serial.printf("[ERROR] No pixel at (%d, %d) = %d >= %d\n", x, y, index, 8 * 32);
+    if (x >= 32 || y >= 8) {
+      Serial.printf("[ERROR] No pixel at (%d, %d) >= %d\n", x, y, 8 * 32);
       return;
     }
+    const auto index = mapPixel(x, y);
 #if LEDS_ENABLED
     leds.setPixelColor(index, color.r, color.g, color.b);
 #endif
@@ -155,7 +154,8 @@ public:
   }
 
   template<int symbolHeight, int symbolWidth>
-  int printSymbol(const int x, const int y, const int index, const Color &color, const bool symbols[][symbolHeight][symbolWidth]) {
+  int printSymbol(const int x, const int y, const int index, const Color &color,
+                  const bool symbols[][symbolHeight][symbolWidth]) {
     for (int innerY = 0; innerY < symbolHeight; innerY++) {
       for (int innerX = 0; innerX < symbolWidth; innerX++) {
         if (symbols[index][innerY][innerX]) {
diff --git a/src/mode/ModeTimer.h b/src/mode/ModeTimer.h
index d264c4d..ba72794 100644
--- a/src/mode/ModeTimer.h
+++ b/src/mode/ModeTimer.h
@@ -8,6 +8,14 @@
 #include "Rest.h"
 #include "Timer.h"
 
+#define DEC_MIL ( 100 )
+#define SEC_MIL ( 1000 )
+#define MIN_MIL ( 60 * SEC_MIL )
+#define HOU_MIL ( 60 * MIN_MIL )
+#define DAY_MIL ( 24 * HOU_MIL )
+
+#define ENABLE_DECIS  false
+
 enum Stage {
   FIRST_HALF, SECOND_HALF, LAST_MINUTE, FINALE
 };
@@ -69,7 +77,6 @@ class ModeTimer final : public Mode {
   Rest last{0};
 
 public:
-
   explicit ModeTimer()
     : Mode("Timer"),
       countdown("countdown", [this]() {
@@ -127,6 +134,7 @@ public:
     }
     if (!countdown.isRunning()) {
       init();
+      doBeep(1);
       countdown.start();
     } else {
       pause.toggle();
@@ -140,7 +148,17 @@ public:
   }
 
   void draw(Display &display) override {
-    rest = Rest(countdown.getRestMillis());
+    if (countdown.getRestMillis() >= DAY_MIL) {
+      rest = Rest(intCeilDiv(countdown.getRestMillis(), HOU_MIL) * HOU_MIL);
+    } else if (countdown.getRestMillis() >= MIN_MIL) {
+      rest = Rest(intCeilDiv(countdown.getRestMillis(), SEC_MIL) * SEC_MIL);
+    } else {
+#if ENABLE_DECIS
+      rest = Rest(intCeilDiv(countdown.getRestMillis(), DEC_MIL) * DEC_MIL);
+#else
+      rest = Rest(intCeilDiv(countdown.getRestMillis(), SEC_MIL) * SEC_MIL);
+#endif
+    }
 
     display.clear();
     if (flash.isRunning()) {
@@ -174,7 +192,6 @@ public:
   }
 
 private:
-
   void doBeep(const uint32_t count) {
     beepSet(true);
     beep.startCount(count * 2 - 1);
@@ -215,7 +232,8 @@ private:
       dirty |= rest.hourChanged(last);
       dirtyPrint = true;
     } else if (rest.hoursTotal > 0) {
-      display.print(16, 0, ALIGN_CENTER, FONT7, color, "%d:%02d:%02d", rest.hoursPart, rest.minutesPart, rest.secondsPart);
+      display.print(16, 0, ALIGN_CENTER, FONT7, color, "%d:%02d:%02d", rest.hoursPart, rest.minutesPart,
+                    rest.secondsPart);
       dirty |= rest.secondChanged(last);
       dirtyPrint = true;
     } else if (rest.minutesTotal > 0) {
@@ -223,7 +241,15 @@ private:
       dirty |= rest.secondChanged(last);
       dirtyPrint = true;
     } else {
+#if ENABLE_DECIS
       display.print(16, 0, ALIGN_CENTER, FONT7, color, "%d.%d", rest.secondsPart, rest.decisPart);
+#else
+      if (rest.secondsTotal > 9) {
+        display.print(16, 0, ALIGN_CENTER, FONT7, color, "%d", rest.secondsPart, rest.secondsPart);
+      } else {
+        display.print(16, 0, ALIGN_CENTER, FONT7, color, "%d  %d  %d", rest.secondsPart, rest.secondsPart, rest.secondsPart);
+      }
+#endif
       dirty |= rest.deciChanged(last);
       dirtyPrint |= rest.secondChanged(last);
     }
diff --git a/src/mode/Rest.h b/src/mode/Rest.h
index 13da39c..a85a34d 100644
--- a/src/mode/Rest.h
+++ b/src/mode/Rest.h
@@ -1,6 +1,13 @@
 #ifndef REST_H
 #define REST_H
 
+inline uint32_t intCeilDiv(const uint32_t dividend, const uint32_t divisor) {
+  if (dividend == 0) {
+    return 0;
+  }
+  return (dividend + divisor - 1) / divisor;
+}
+
 struct Rest {
 
   bool negative;