diff --git a/examples/osd/arduino-settingsmanager/shell-merkur.c b/examples/osd/arduino-settingsmanager/shell-merkur.c
index d45c6d854..1d06d8f3e 100644
--- a/examples/osd/arduino-settingsmanager/shell-merkur.c
+++ b/examples/osd/arduino-settingsmanager/shell-merkur.c
@@ -50,8 +50,10 @@
 #include "sys/node-id.h"
 #include "lib/settings.h"
 #include "extended-rf-api.h"
+#include "params.h"
 #include <stdio.h>
 #include <string.h>
+#include <stdlib.h>     /* strtol */
 
 /*---------------------------------------------------------------------------*/
 PROCESS(shell_txpower_process, "txpower");
@@ -59,6 +61,11 @@ SHELL_COMMAND(txpower_command,
 	      "txpower",
 	      "txpower <power>: change transmission power 0 (3dbm, default) to 15 (-17.2dbm)",
 	      &shell_txpower_process);
+PROCESS(shell_panid_process, "panid");
+SHELL_COMMAND(panid_command,
+	      "panid",
+	      "panid <0xabcd>: change panid (default 0xabcd)",
+	      &shell_panid_process);
 PROCESS(shell_rfchannel_process, "rfchannel");
 SHELL_COMMAND(rfchannel_command,
 	      "rfchannel",
@@ -72,7 +79,7 @@ SHELL_COMMAND(ccathresholds_command,
 PROCESS(shell_saveparam_process, "saveparam");
 SHELL_COMMAND(saveparam_command,
 	      "saveparam",
-	      "saveparam <> save parameters to eeprom settingsmanager",
+	      "saveparam <> save parameters txpower, channel, panid to eeprom settingsmanager",
 	      &shell_saveparam_process);
 
 /*---------------------------------------------------------------------------*/
@@ -151,19 +158,43 @@ PROCESS_THREAD(shell_ccathresholds_process, ev, data)
   PROCESS_END();
 }
 /*---------------------------------------------------------------------------*/
-PROCESS_THREAD(shell_saveparam_process, ev, data)
+PROCESS_THREAD(shell_panid_process, ev, data)
 {
   radio_value_t value;
   char buf[20];
-  const char *newptr;
+  char *newptr;
+  PROCESS_BEGIN();
+
+  value = strtol(data, &newptr, 0);
+  
+  /* If no channel was given on the command line, we print out the
+     current channel. */
+  if(newptr == data) {
+	if(get_param(RADIO_PARAM_PAN_ID, &value) == RADIO_RESULT_OK) {
+		
+    }
+  } else {
+    set_param(RADIO_PARAM_PAN_ID, value);
+  }
+
+  snprintf(buf, sizeof(buf),"0x%02x%02x\n", (value >> 8) & 0xFF, value & 0xFF);
+  shell_output_str(&panid_command, "panid: ", buf);
+
+  PROCESS_END();
+}
+/*---------------------------------------------------------------------------*/
+PROCESS_THREAD(shell_saveparam_process, ev, data)
+{
   PROCESS_BEGIN();
   /* Save txpower */
-  params_save_channel();
+  params_save_txpower();
   /* Save rfchannel */
-  
+  params_save_channel();  
   /* Save ccathresholds */
-
+  // todo 
+  
   /* Save panid */
+  params_save_panid();
 
   shell_output_str(&rfchannel_command, "saveparam done ", 0);
 
@@ -176,7 +207,7 @@ shell_merkur_init(void)
   shell_register_command(&txpower_command);
   shell_register_command(&rfchannel_command);
   shell_register_command(&ccathresholds_command);  
-//  shell_register_command(&panid_command);
+  shell_register_command(&panid_command);
   shell_register_command(&saveparam_command);
 
 }
diff --git a/examples/osd/arduino-settingsmanager/sketch.pde b/examples/osd/arduino-settingsmanager/sketch.pde
index 1c18350dc..2639b3a84 100644
--- a/examples/osd/arduino-settingsmanager/sketch.pde
+++ b/examples/osd/arduino-settingsmanager/sketch.pde
@@ -27,205 +27,22 @@ uint8_t led_pin=4;
 uint8_t led_status;
 }
 
-settings_status_t status;
-uint16_t panid;
-char hostname[30];
-uint16_t channel;
-
-struct rf_consts {
-  radio_value_t channel_min;
-  radio_value_t channel_max;
-  radio_value_t txpower_min;
-  radio_value_t txpower_max;
-};
-
-//static struct rf_consts consts;
-
-static radio_value_t value;
-static uint8_t ext_addr[8];
-
-
-/*---------------------------------------------------------------------------*/
-static void
-print_rf_values(void)
-{
-  printf("====================================\n");
-  printf("RF Values\n");
-
-  printf("Power: ");
-  if(get_param(RADIO_PARAM_POWER_MODE, &value) == RADIO_RESULT_OK) {
-    if(value == RADIO_POWER_MODE_ON) {
-      printf("On\n");
-    } else if(value == RADIO_POWER_MODE_OFF) {
-      printf("Off\n");
-    }
-  }
-
-  printf("Channel: ");
-  if(get_param(RADIO_PARAM_CHANNEL, &value) == RADIO_RESULT_OK) {
-    printf("%d\n", value);
-  }
-
-  printf("PAN ID: ");
-  if(get_param(RADIO_PARAM_PAN_ID, &value) == RADIO_RESULT_OK) {
-    printf("0x%02x%02x\n", (value >> 8) & 0xFF, value & 0xFF);
-  }
-
-  printf("16-bit Address: ");
-  if(get_param(RADIO_PARAM_16BIT_ADDR, &value) == RADIO_RESULT_OK) {
-    printf("0x%02x%02x\n", (value >> 8) & 0xFF, value & 0xFF);
-  }
-
-  printf("64-bit Address: ");
-  if(get_object(RADIO_PARAM_64BIT_ADDR, ext_addr, 8) == RADIO_RESULT_OK) {
-    print_64bit_addr(ext_addr);
-  }
-
-  printf("RX Mode: ");
-  if(get_param(RADIO_PARAM_RX_MODE, &value) == RADIO_RESULT_OK) {
-    printf("Address Filtering is ");
-    if(value & RADIO_RX_MODE_ADDRESS_FILTER) {
-      printf("On, ");
-    } else {
-      printf("Off, ");
-    }
-    printf("Auto ACK is ");
-    if(value & RADIO_RX_MODE_AUTOACK) {
-      printf("On, ");
-    } else {
-      printf("Off, ");
-    }
-
-    printf("(value=%d)\n", value);
-  }
-
-  printf("TX Mode: ");
-  if(get_param(RADIO_PARAM_TX_MODE, &value) == RADIO_RESULT_OK) {
-    printf("%d\n", value);
-  }
-
-  printf("TX Power: ");
-  if(get_param(RADIO_PARAM_TXPOWER, &value) == RADIO_RESULT_OK) {
-    printf("%d dBm [0x%04x]\n", value, (uint16_t)value);
-  }
-
-  printf("CCA Threshold: ");
-  if(get_param(RADIO_PARAM_CCA_THRESHOLD, &value) == RADIO_RESULT_OK) {
-    printf("%d dBm [0x%04x]\n", value, (uint16_t)value);
-  }
-
-  printf("RSSI: ");
-  if(get_param(RADIO_PARAM_RSSI, &value) == RADIO_RESULT_OK) {
-    printf("%d dBm [0x%04x]\n", value, (uint16_t)value);
-  }
-}
-
 void setup (void)
 {
-	settings_iter_t iter;
-	int i;
     // switch off the led
     pinMode(led_pin, OUTPUT);
     digitalWrite(led_pin, HIGH);
     led_status=0;
-    // settings manager
-    /* Basic setting of parameters */
-
-//    status = settings_set_uint16(SETTINGS_KEY_PAN_ID, 0xABCD);
-//    if(SETTINGS_STATUS_OK != status) {
-//      printf("settings-example: `set` failed: %d\n", status);
-//    }
-//    status = settings_set_uint8(SETTINGS_KEY_CHANNEL, 11);
-//    if(SETTINGS_STATUS_OK != status) {
-//      printf("settings-example: `set` failed: %d\n", status);
-//    }
-//    status = settings_set_cstr(SETTINGS_KEY_HOSTNAME, "contiki.local");
-//    if(SETTINGS_STATUS_OK != status) {
-//      printf("settings-example: `set` failed: %d\n", status);
-//    }
-    /* Basic getting of parameters */
-//    panid = settings_get_uint16(SETTINGS_KEY_PAN_ID, 0);
-//    if(0xABCD != panid) {
-//      printf("settings-example: `get` failed: value mismatch.\n");
-//    }
-//    channel = settings_get_uint16(SETTINGS_KEY_CHANNEL, 0);
-//    if(26 != channel) {
-//      printf("settings-example: `get` failed: value mismatch.\n");
-//    }
-
-//    if(!settings_get_cstr(SETTINGS_KEY_HOSTNAME, 0, hostname, sizeof(hostname))) {
-//      printf("settings-example: `get` failed: settings_get_cstr returned NULL\n");
-//    } else if(strcmp(hostname, "contiki.local") != 0) {
-//      printf("settings-example: `get` failed: value mismatch.\n");
-//    }
-      /*************************************************************************/
-  /* Adding multiple values with the same key */
-
-//  for(i = 0; i < 10; i++) {
-//    settings_add_uint8(TCC('e','x'), i + 20);
-//  }
-
-  /*************************************************************************/
-  /* Reading multiple values with the same key */
-
-//  for(i = 0; i < 10; i++) {
-//    if(settings_get_uint8(TCC('e', 'x'), i) != i + 20) {
-//      printf("settings-example: `get` failed: value mismatch.\n");
-//    }
-//  }
-
-  /*************************************************************************/
-  /* Iterating thru all settings */
-/*
-  for(iter = settings_iter_begin(); iter; iter = settings_iter_next(iter)) {
-    settings_length_t len = settings_iter_get_value_length(iter);
-    eeprom_addr_t addr = settings_iter_get_value_addr(iter);
-    uint8_t byte;
-
-    union {
-      settings_key_t key;
-      char bytes[0];
-    } u;
-
-    u.key = settings_iter_get_key(iter);
-
-    if(u.bytes[0] >= 32 && u.bytes[0] < 127
-       && u.bytes[1] >= 32 && u.bytes[1] < 127
-    ) {
-      printf("settings-example: [%c%c] = <",u.bytes[0],u.bytes[1]);
-    } else {
-      printf("settings-example: <0x%04X> = <",u.key);
-    }
-
-    for(; len; len--, addr++) {
-      eeprom_read(addr, &byte, 1);
-      printf("%02X", byte);
-      if(len != 1) {
-        printf(" ");
-      }
-    }
-
-    printf(">\n");
-  }
-*/
-
-  printf("settings-example: Done.\n");
     // Seriell Shell
     serial_shell_init();
-//    shell_blink_init();
     shell_ps_init();
     shell_reboot_init();
-//    shell_text_init();
-//    shell_time_init();
-    shell_merkur_init();
-  
+    shell_merkur_init();  
 #if COFFEE
-  shell_coffee_init();
-  shell_file_init();
+    shell_coffee_init();
+    shell_file_init();
 #endif
 
-//    get_rf_consts();  
-    print_rf_values();
     // init coap resourcen
     rest_init_engine ();
     #pragma GCC diagnostic ignored "-Wwrite-strings"
diff --git a/platform/osd-merkur-256/contiki-main.c b/platform/osd-merkur-256/contiki-main.c
index 05490fdde..3ea828753 100644
--- a/platform/osd-merkur-256/contiki-main.c
+++ b/platform/osd-merkur-256/contiki-main.c
@@ -284,6 +284,7 @@ uint8_t i;
   rf230_set_pan_addr(params_get_panid(),params_get_panaddr(),(uint8_t *)&addr.u8);
   rf230_set_channel(params_get_channel());
   rf230_set_txpower(params_get_txpower());
+//  rf230_set_cca_threshold(params_get_txpower());
 
 #if NETSTACK_CONF_WITH_IPV6
   PRINTA("EUI-64 MAC: %x-%x-%x-%x-%x-%x-%x-%x\n",addr.u8[0],addr.u8[1],addr.u8[2],addr.u8[3],addr.u8[4],addr.u8[5],addr.u8[6],addr.u8[7]);
diff --git a/platform/osd-merkur-256/params.c b/platform/osd-merkur-256/params.c
index b7fc324e6..94e4e5b63 100644
--- a/platform/osd-merkur-256/params.c
+++ b/platform/osd-merkur-256/params.c
@@ -276,19 +276,72 @@ params_get_txpower(void) {
   }
   return x;
 }
+uint8_t
+params_get_ccathresholds(void) {
+  uint8_t x;
+  size_t  size = 1;
+  if (settings_get(SETTINGS_KEY_TXPOWER, 0,(unsigned char*)&x, &size) == SETTINGS_STATUS_OK) {
+    PRINTD("<-Get tx power of %d (0=max)\n",x);
+  } else {
+    x=PARAMS_TXPOWER;
+    if (settings_add_uint8(SETTINGS_KEY_TXPOWER,x)==SETTINGS_STATUS_OK) {
+      PRINTD("->Set EEPROM tx power of %d (0=max)\n",x);
+    }
+  }
+  return x;
+}
+
+settings_status_t 
+params_save_panid(void) {
+  radio_value_t value;
+  size_t  size = 2;
+
+  settings_status_t rx=SETTINGS_STATUS_OK;
+  	
+  if(NETSTACK_RADIO.get_value(RADIO_PARAM_PAN_ID, &value) == RADIO_RESULT_OK) {
+    printf("%d\n", value);
+    if(settings_set_uint16(SETTINGS_KEY_PAN_ID, value) != SETTINGS_STATUS_OK) {
+      printf("settings-panid: `save` failed: \n");
+      rx = SETTINGS_STATUS_FAILURE;
+    }
+  } else {
+      rx = SETTINGS_STATUS_FAILURE;	  
+  }
+  return rx; 
+}
 
 settings_status_t 
 params_save_channel(void) {
   radio_value_t value;
-  settings_status_t x=SETTINGS_STATUS_OK;
+  settings_status_t rx=SETTINGS_STATUS_OK;
   	
   if(NETSTACK_RADIO.get_value(RADIO_PARAM_CHANNEL, &value) == RADIO_RESULT_OK) {
     printf("%d\n", value);
     if(settings_set_uint8(SETTINGS_KEY_CHANNEL, value) != SETTINGS_STATUS_OK) {
-      printf("settings-example: `set` failed: \n");
-      x = SETTINGS_STATUS_FAILURE;
+      printf("settings-channel: `save` failed: \n");
+      rx = SETTINGS_STATUS_FAILURE;
     }
+  } else {
+      rx = SETTINGS_STATUS_FAILURE;	  
   }
-  return x; 
+  return rx; 
 }
+
+settings_status_t 
+params_save_txpower(void) {
+  radio_value_t value;
+  settings_status_t rx=SETTINGS_STATUS_OK;
+  	
+  if(NETSTACK_RADIO.get_value(RADIO_PARAM_TXPOWER, &value) == RADIO_RESULT_OK) {
+    printf("%d\n", value);
+    if(settings_set_uint8(SETTINGS_KEY_TXPOWER, value) != SETTINGS_STATUS_OK) {
+      printf("settings-txpower: `save` failed: \n");
+      rx = SETTINGS_STATUS_FAILURE;
+    }
+  } else {
+      rx = SETTINGS_STATUS_FAILURE;	  
+  }
+  return rx; 
+}
+
 #endif /* CONTIKI_CONF_SETTINGS_MANAGER */
diff --git a/platform/osd-merkur-256/params.h b/platform/osd-merkur-256/params.h
index baf153a4f..845f3726b 100644
--- a/platform/osd-merkur-256/params.h
+++ b/platform/osd-merkur-256/params.h
@@ -59,6 +59,16 @@ extern uint8_t eemem_domain_name[30];
 #else
 #define PARAMS_NODEID 0
 #endif
+#ifdef CHANNEL_802_15_4
+#define PARAMS_CHANNEL CHANNEL_802_15_4
+#else
+#define PARAMS_CHANNEL 26
+#endif
+#ifdef IEEE802154_PANID
+#define PARAMS_PANID IEEE802154_PANID
+#else
+#define PARAMS_PANID 0xABCD
+#endif
 #ifdef IEEE802154_PANADDR
 #define PARAMS_PANADDR IEEE802154_PANADDR
 #else
@@ -90,8 +100,8 @@ uint8_t params_get_eui64(uint8_t *eui64);
 /* Hard coded program flash parameters */
 #define params_get_servername(...) 
 #define params_get_nodeid(...)  PARAMS_NODEID
-#define params_get_channel(...) CHANNEL_802_15_4
-#define params_get_panid(...)   IEEE802154_PANID
+#define params_get_channel(...) PARAMS_CHANNEL
+#define params_get_panid(...)   PARAMS_PANID
 #define params_get_panaddr(...) PARAMS_PANADDR
 #define params_get_txpower(...) PARAMS_TXPOWER
 #else
@@ -101,7 +111,11 @@ uint8_t params_get_channel(void);
 uint16_t params_get_panid(void);
 uint16_t params_get_panaddr(void);
 uint8_t params_get_txpower(void);
+settings_status_t params_save_nodeid(void);
 settings_status_t params_save_channel(void);
+settings_status_t params_save_panid(void);
+settings_status_t params_save_panaddr(void);
+settings_status_t params_save_txpower(void);
 #endif
 
 #endif /* PARAMS_H_ */