diff --git a/apps/plugins/test_scanrate.c b/apps/plugins/test_scanrate.c
new file mode 100755
index 0000000000..22ec44b7a9
--- /dev/null
+++ b/apps/plugins/test_scanrate.c
@@ -0,0 +1,177 @@
+/***************************************************************************
+*             __________               __   ___.
+*   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
+*   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
+*   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
+*   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
+*                     \/            \/     \/    \/            \/
+* $Id$
+*
+* Copyright (C) 2006 Jens Arnold
+*
+* All files in this archive are subject to the GNU General Public License.
+* See the file COPYING in the source tree root for full license agreement.
+*
+* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+* KIND, either express or implied.
+*
+****************************************************************************/
+
+#include "plugin.h"
+
+#if defined(HAVE_LCD_BITMAP) && (LCD_DEPTH < 4) && !defined(SIMULATOR)
+
+PLUGIN_HEADER
+
+#if (CONFIG_KEYPAD == RECORDER_PAD) || (CONFIG_KEYPAD == ONDIO_PAD) \
+ || (CONFIG_KEYPAD == IRIVER_H100_PAD)
+#define SCANRATE_DONE    BUTTON_OFF
+#define SCANRATE_FASTINC BUTTON_UP
+#define SCANRATE_FASTDEC BUTTON_DOWN
+#define SCANRATE_INC     BUTTON_RIGHT
+#define SCANRATE_DEC     BUTTON_LEFT
+
+#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD)
+#define SCANRATE_DONE    BUTTON_MENU
+#define SCANRATE_FASTINC BUTTON_SCROLL_FWD
+#define SCANRATE_FASTDEC BUTTON_SCROLL_BACK
+#define SCANRATE_INC     BUTTON_RIGHT
+#define SCANRATE_DEC     BUTTON_LEFT
+
+#endif
+
+#if LCD_PIXELFORMAT == HORIZONTAL_PACKING
+#define BUF_WIDTH  ((LCD_WIDTH+7)/8/4)
+#define BUF_HEIGHT LCD_HEIGHT
+#define TEXT_X (BUF_WIDTH*8)
+#else
+#define BUF_WIDTH  (LCD_WIDTH/4)
+#define BUF_HEIGHT (LCD_HEIGHT/8)
+#define TEXT_X BUF_WIDTH
+#endif
+
+/* Default refresh rates in 1/10 Hz */
+#if CONFIG_LCD == LCD_SSD1815
+#define DEFAULT_SCAN_RATE 670
+#elif CONFIG_LCD == LCD_S1D15E06
+#define DEFAULT_SCAN_RATE 700
+#elif CONFIG_LCD == LCD_IPOD2BPP
+#define DEFAULT_SCAN_RATE 800
+#elif CONFIG_LCD == LCD_IPODMINI
+#define DEFAULT_SCAN_RATE 880
+#endif
+
+#if defined(CPU_PP) && defined(HAVE_ADJUSTABLE_CPU_FREQ)
+#define NEED_BOOST
+#endif
+
+static struct plugin_api* rb;
+static unsigned char bitbuffer[2][BUF_HEIGHT][BUF_WIDTH];
+static int curbuf = 0;
+static int scan_rate = DEFAULT_SCAN_RATE;
+static bool need_refresh = false;
+
+static void timer_isr(void)
+{
+    rb->lcd_blit(bitbuffer[curbuf][0], 0, 0, BUF_WIDTH, BUF_HEIGHT, BUF_WIDTH);
+    curbuf = (curbuf + 1) & 1;
+    if (need_refresh)
+    {
+        rb->lcd_update_rect(TEXT_X, 0, LCD_WIDTH-TEXT_X, 8);
+        need_refresh = false;
+    }
+}
+
+int plugin_main(void)
+{
+    unsigned char buf[32];
+    int button;
+    bool done = false;
+    bool change = true;
+    
+    rb->lcd_setfont(FONT_SYSFIXED);
+
+    rb->lcd_putsxy(TEXT_X, 12, "Adjust Frequ.");
+    rb->lcd_putsxy(TEXT_X, 20, "so the block");
+    rb->lcd_putsxy(TEXT_X, 28, "stops moving.");
+#if (CONFIG_KEYPAD == RECORDER_PAD) || (CONFIG_KEYPAD == ONDIO_PAD) \
+ || (CONFIG_KEYPAD == IRIVER_H100_PAD)
+    rb->lcd_putsxy(TEXT_X, 40, "U/D: Coarse");
+#elif (CONFIG_KEYPAD == IPOD_4G_PAD) || (CONFIG_KEYPAD == IPOD_3G_PAD)
+    rb->lcd_putsxy(TEXT_X, 40, "Scroll: Coarse");
+#endif
+    rb->lcd_putsxy(TEXT_X, 48, "L/R: Fine");
+    rb->lcd_update();
+
+    rb->memset(bitbuffer[0], 0, sizeof(bitbuffer[0]));
+    rb->memset(bitbuffer[1], 0xff, sizeof(bitbuffer[1]));
+#ifdef NEED_BOOST
+    rb->cpu_boost(true);
+#endif
+    /* The actual frequency is twice the displayed value */
+    rb->timer_register(1, NULL, TIMER_FREQ * 5 / scan_rate, 1, timer_isr);
+
+    while (!done)
+    {
+        if (change)
+        {
+            /* The actual frequency is twice the displayed value */
+            rb->timer_set_period(TIMER_FREQ * 5 / scan_rate);
+            rb->snprintf(buf, sizeof(buf), "f: %d.%d Hz", scan_rate / 10,
+                         scan_rate % 10);
+            rb->lcd_putsxy(TEXT_X, 0, buf);
+            need_refresh = true;
+            change = false;
+        }
+        button = rb->button_get(true);
+        switch (button)
+        {
+          case SCANRATE_FASTINC:
+          case SCANRATE_FASTINC|BUTTON_REPEAT:
+            scan_rate += 10;
+            change = true;
+            break;
+
+          case SCANRATE_FASTDEC:
+          case SCANRATE_FASTDEC|BUTTON_REPEAT:
+            scan_rate -= 10;
+            change = true;
+            break;
+
+          case SCANRATE_INC:
+          case SCANRATE_INC|BUTTON_REPEAT:
+            scan_rate++;
+            change = true;
+            break;
+
+          case SCANRATE_DEC:
+          case SCANRATE_DEC|BUTTON_REPEAT:
+            scan_rate--;
+            change = true;
+            break;
+
+          case SCANRATE_DONE:
+            done = true;
+            break;
+        }
+    }
+    rb->timer_unregister();
+#ifdef NEED_BOOST
+    rb->cpu_boost(false);
+#endif
+
+    rb->lcd_setfont(FONT_UI);
+
+    return PLUGIN_OK;
+}
+
+
+/* this is the plugin entry point */
+enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
+{
+    (void)parameter;
+    rb = api;
+    return plugin_main();
+}
+
+#endif