diff --git a/firmware/applications/mesh/config.c b/firmware/applications/mesh/config.c
index 0d8df7c..4343198 100644
--- a/firmware/applications/mesh/config.c
+++ b/firmware/applications/mesh/config.c
@@ -23,16 +23,102 @@ void applycfg(void){
     applyConfig();
 };
 
-void show(void){
-    lcdClear();
-    lcdPrint("time:"); lcdPrintInt(globalconfig.time); lcdNl();
-    lcdPrint("btrig:"); lcdPrintInt(globalconfig.backlighttrigger); lcdNl();
-    lcdPrint("bval:"); lcdPrintInt(globalconfig.backlightvalue); lcdNl();
-    lcdPrint("lcd:"); lcdPrintInt(globalconfig.lcdstate); lcdNl();
-    lcdPrint("priv:"); lcdPrintInt(globalconfig.privacy); lcdNl();
-    lcdRefresh();
-};
+void changer(void){
+    uint8_t numentries = 0;
+    signed char menuselection = 0;
+    uint8_t visible_lines = 0;
+    uint8_t current_offset = 0;
 
-void lcdmirror(void){
-    lcdToggleFlag(LCD_MIRRORX);
-};
+    for (int i=0;the_config[i].name!=NULL;i++){
+        numentries++;
+    };
+
+    visible_lines = ((RESY/getFontHeight())-1)/2;
+
+    while (1) {
+        // Display current menu page
+        lcdClear();
+        lcdPrint("Config");
+        
+        lcdSetCrsrX(60);
+        lcdPrint("[");
+        lcdPrint(IntToStr(current_offset/visible_lines,1,0));
+        lcdPrint("/");
+        lcdPrint(IntToStr(numentries/visible_lines,1,0));
+        lcdPrint("]");
+        lcdNl();
+
+        lcdNl();
+
+        for (uint8_t i = current_offset; i < (visible_lines + current_offset) && i < numentries; i++) {
+            if(i==0){
+                lcdPrintln("Save changes:");
+                if (i == menuselection)
+                    lcdPrint("*");
+                lcdSetCrsrX(14);
+                if (i == menuselection)
+                    lcdPrintln("YES");
+                else
+                    lcdPrintln("no");
+            }else{
+                lcdPrintln(the_config[i].name);
+                if (i == menuselection)
+                    lcdPrint("*");
+                lcdSetCrsrX(14);
+                lcdPrint("<");
+                lcdPrint(IntToStr(the_config[i].value,3,F_LONG));
+                lcdPrintln(">");
+            };
+        }
+        lcdRefresh();
+
+        switch (getInputWait()) {
+            case BTN_UP:
+                menuselection--;
+                if (menuselection < current_offset) {
+                    if (menuselection < 0) {
+                        menuselection = numentries-1;
+                        current_offset = ((numentries-1)/visible_lines) * visible_lines;
+                    } else {
+                        current_offset -= visible_lines;
+                    }
+                }
+                break;
+            case BTN_DOWN:
+                menuselection++;
+                if (menuselection > (current_offset + visible_lines-1) || menuselection >= numentries) {
+                    if (menuselection >= numentries) {
+                        menuselection = 0;
+                        current_offset = 0;
+                    } else {
+                        current_offset += visible_lines;
+                    }
+                }
+                break;
+            case BTN_LEFT:
+                if(the_config[menuselection].value >
+                        the_config[menuselection].min)
+                    the_config[menuselection].value--;
+                if(the_config[menuselection].value > the_config[menuselection].max)
+                    the_config[menuselection].value=
+                        the_config[menuselection].max;
+                applyConfig();
+                break;
+            case BTN_RIGHT:
+                if(the_config[menuselection].value <
+                        the_config[menuselection].max)
+                    the_config[menuselection].value++;
+                if(the_config[menuselection].value < the_config[menuselection].min)
+                    the_config[menuselection].value=
+                        the_config[menuselection].min;
+                applyConfig();
+                break;
+            case BTN_ENTER:
+                if(menuselection==0)
+                    saveConfig();
+                return;
+        }
+        getInputWaitRelease();
+    }
+    /* NOTREACHED */
+}
diff --git a/firmware/applications/mesh/util.c b/firmware/applications/mesh/util.c
index a19dc71..721cacd 100644
--- a/firmware/applications/mesh/util.c
+++ b/firmware/applications/mesh/util.c
@@ -37,7 +37,7 @@ void adc_light(void) {
     while ((getInputRaw())==BTN_NONE){
         DoInt(dx,dy,GetLight());
         DoInt(dx,dy+16,isNight());
-        DoInt(dx,dy+8,globalconfig.backlighttrigger);
+        DoInt(dx,dy+8,GLOBAL(nighttrigger));
         lcdDisplay();
     };
     dy+=8;
diff --git a/firmware/applications/tester/config.c b/firmware/applications/tester/config.c
deleted file mode 100644
index 0d8df7c..0000000
--- a/firmware/applications/tester/config.c
+++ /dev/null
@@ -1,38 +0,0 @@
-#include <sysinit.h>
-
-#include "basic/basic.h"
-
-#include "lcd/print.h"
-#include "lcd/display.h"
-
-#include "filesystem/ff.h"
-
-#include <string.h>
-
-/**************************************************************************/
-
-void readcfg(void) {
-    readConfig();
-};
-
-void savecfg(void){
-    saveConfig();
-};
-
-void applycfg(void){
-    applyConfig();
-};
-
-void show(void){
-    lcdClear();
-    lcdPrint("time:"); lcdPrintInt(globalconfig.time); lcdNl();
-    lcdPrint("btrig:"); lcdPrintInt(globalconfig.backlighttrigger); lcdNl();
-    lcdPrint("bval:"); lcdPrintInt(globalconfig.backlightvalue); lcdNl();
-    lcdPrint("lcd:"); lcdPrintInt(globalconfig.lcdstate); lcdNl();
-    lcdPrint("priv:"); lcdPrintInt(globalconfig.privacy); lcdNl();
-    lcdRefresh();
-};
-
-void lcdmirror(void){
-    lcdToggleFlag(LCD_MIRRORX);
-};
diff --git a/firmware/applications/tester/util.c b/firmware/applications/tester/util.c
index 8747264..721cacd 100644
--- a/firmware/applications/tester/util.c
+++ b/firmware/applications/tester/util.c
@@ -37,13 +37,46 @@ void adc_light(void) {
     while ((getInputRaw())==BTN_NONE){
         DoInt(dx,dy,GetLight());
         DoInt(dx,dy+16,isNight());
-        DoInt(dx,dy+8,globalconfig.backlighttrigger);
+        DoInt(dx,dy+8,GLOBAL(nighttrigger));
         lcdDisplay();
     };
     dy+=8;
     dx=DoString(0,dy,"Done.");
 };
 
+void uptime(void) {
+    int t;
+    int h;
+    char flag;
+    while ((getInputRaw())==BTN_NONE){
+        lcdClear();
+        lcdPrintln("Uptime:");
+        t=getTimer()/(1000/SYSTICKSPEED);
+        h=t/60/60;
+        flag=F_ZEROS;
+        if(h>0){
+            lcdPrint(IntToStr(h,2,flag));
+            lcdPrint("h");
+            flag|=F_LONG;
+        };
+        h=t/60%60;
+        if(h>0){
+            lcdPrint(IntToStr(h,2,flag));
+            lcdPrint("m");
+            flag|=F_LONG;
+        };
+        h=t%60;
+        if(h>0){
+            lcdPrint(IntToStr(h,2,flag));
+            lcdPrint("s");
+        };
+        lcdNl();
+        lcdRefresh();
+        delayms_queue(200);
+    };
+    lcdPrintln("done.");
+};
+
 void gotoISP(void) {
     DoString(0,0,"Enter ISP!");
     lcdDisplay();