diff --git a/apps/widalt/widalt.settings.js b/apps/widalt/widalt.settings.js
index 28ed60bc2..a4f883039 100644
--- a/apps/widalt/widalt.settings.js
+++ b/apps/widalt/widalt.settings.js
@@ -4,14 +4,11 @@
     E.showMenu({
       "" : { "title" : "Altimeter Widget" },
       "< Back" : () => back(),
-      'QNH: ': {
-        value: o.seaLevelPressure,
+      'QNH': {
+        value: Math.floor(o.seaLevelPressure),
         min: 100, max: 10000,
         format: v=>(v+"hPa\nAlt: "+(44330 * (1.0 - Math.pow(p.pressure/v, 0.1903))).toFixed(0)+"m"),
-        onchange: v => {
-          o.seaLevelPressure = v;
-          Bangle.setOptions(o);
-        }
+        onchange: v => {Bangle.setOptions({seaLevelPressure:v});}
       }
     });
   });
diff --git a/apps/widalt/widalt.wid.js b/apps/widalt/widalt.wid.js
index 645aea2cd..72f889748 100644
--- a/apps/widalt/widalt.wid.js
+++ b/apps/widalt/widalt.wid.js
@@ -1,35 +1,22 @@
 (()=>{
   var alt="";
-  var lastDraw=0;
   var lastAlt=0;
-  
-  function readAltitude() {
-    try {Bangle.getPressure().then((p)=>{
-      print("pressure read, altitude "+p.altitude.toFixed(0));
-      if (Math.floor(p.altitude)!=lastAlt) {
-        print("altitude changed!");
-        lastAlt=Math.floor(p.altitude);
-        alt=p.altitude.toFixed(0); 
-        var w = WIDGETS["widalt"].width;
-        WIDGETS["widalt"].width = 1 + (alt.length)*12+16;
-        if (w!=WIDGETS["widalt"].width) Bangle.drawWidgets();
-        WIDGETS["widalt"].draw();
-        setTimeout(readAltitude,60000);
-      }
-    });}
-    catch(err) {
-      print("ERROR");
-      setTimeout(readAltitude,1000);
-    } 
-  }
-  
-  readAltitude();
+  Bangle.setBarometerPower(true,"widalt");
+  Bangle.on("pressure", (p)=>{
+    if (Math.floor(p.altitude)!=lastAlt) {
+      lastAlt=Math.floor(p.altitude);
+      alt=p.altitude.toFixed(0); 
+      var w = WIDGETS["widalt"].width;
+      WIDGETS["widalt"].width = 1 + (alt.length)*12+16;
+      if (w!=WIDGETS["widalt"].width) Bangle.drawWidgets();
+      else WIDGETS["widalt"].draw();
+    }
+    Bangle.setBarometerPower(false,"widalt")
+    setTimeout(()=>{Bangle.setBarometerPower(true,"widalt");},5000);
+  });
   
   function draw() {
-    //if (Date().getTime()-lastDraw<6000) return;//!!!!!
     if (!Bangle.isLCDOn()) return; 
-    //lastDraw=Date().getTime();
-    print("drawing");
     g.reset();
     g.setColor(g.theme.bg);
     g.fillRect(this.x, this.y, this.x + this.width, this.y + 23); 
@@ -37,7 +24,7 @@
     g.drawImage(atob("EBCBAAAAAAAIAAwgFXAX0BCYIIggTD/EYPZADkACf/4AAAAA"), this.x, this.y+4);
 g.setFontCustom(atob("AAAAABwAAOAAAgAAHAADwAD4AB8AB8AA+AAeAADAAAAOAAP+AH/8B4DwMAGBgAwMAGBgAwOAOA//gD/4AD4AAAAAAAABgAAcAwDAGAwAwP/+B//wAAGAAAwAAGAAAAAAAAIAwHgOA4DwMA+BgOwMDmBg4wOeGA/gwDwGAAAAAAAAAGAHA8A4DwMAGBhAwMMGBjgwOcOA+/gDj4AAAAABgAAcAAHgADsAA5gAOMAHBgBwMAP/+B//wABgAAMAAAAAAAgD4OB/AwOYGBjAwMYGBjBwMe8Bh/AIHwAAAAAAAAAfAAP8AHxwB8GAdgwPMGBxgwMOOAB/gAH4AAAAAAABgAAMAABgAwMAeBgPgMHwBj4AN8AB+AAPAABAAAAAAAMfAH38B/xwMcGBhgwMMGBjgwP+OA+/gDj4AAAAAAAAOAAH4AA/gQMMGBgzwME8BhvAOPgA/4AD8AAEAAAAAAGAwA4OAHBwAAA="), 46, atob("BAgMDAwMDAwMDAwMBQ=="), 21+(1<<8)+(1<<16));
     g.setFontAlign(-1, 0);
-    g.drawString(alt, this.x+16, this.y + 12);       
+    g.drawString(alt, this.x+16, this.y + 12); 
   }
   WIDGETS["widalt"] = {
     area: "tr",