diff --git a/apps/dsky_clock/app.js b/apps/dsky_clock/app.js
index 8d33d1b2b..fd3143f89 100644
--- a/apps/dsky_clock/app.js
+++ b/apps/dsky_clock/app.js
@@ -13,6 +13,7 @@ Light_height=25;
 EL7_height=30;
 LightFont='Teletext5x9Ascii';
 DataFont='7x11Numeric7Seg:2';
+mode = 0;
 
 var layout = new Layout(
   {type:"h", c:[
@@ -53,12 +54,35 @@ var layout = new Layout(
         {type:"txt", font:DataFont, col:"#0F0", bgCol:"#000", label:"00000", id:"R3", fillx:1, height:EL7_height},
       ]},
     {type:"",width:5},
-  ]},
-  {lazy:true});
+  ],
+  lazy:true});
 layout.update();
 
 //support functions
 
+function getWeather() {
+  try { 
+    var weatherLib = require("weather");
+    weather = weatherLib.get();
+  } catch(e) {
+    console.log("Weather lib not found." );
+  }
+  if (weather) {
+    weather.temp = Math.round(require("locale").temp(weather.temp-273.15));
+    weather.hum = weather.hum;
+    weather.wind = Math.round(require("locale").speed(weather.wind).match(/^(\D*\d*)(.*)$/));
+    weather.wind = Math.round(weather.wind[1]);
+  } else {
+    weather = {
+      temp: "-----",
+      hum: "-----",
+      wind: "-----",
+      txt: "-----",
+    };
+  }
+  return weather;
+}
+
 function getdatetime(){
   var datetime = [];
   var d = new Date();
@@ -67,9 +91,9 @@ function getdatetime(){
   datetime.clock = require("locale").time(d, 1);
   datetime.month = d.getMonth()+1;
   datetime.day = d.getDate();
-  datetime.localtime=String(String(d.getHours()).padStart(2,'0')+String(d.getMinutes()).padStart(2,'0')).padStart(5,'0');
+  datetime.localtime=String(d.getHours()).padStart(2,'0')+String(d.getMinutes()).padStart(2,'0');
   utchour=((d.getHours()+(Math.round(d.getTimezoneOffset()/60))) % 24);
-  datetime.utctime=String(String(utchour).padStart(2,'0')+String(d.getMinutes()).padStart(2,'0')).padStart(5,'0');
+  datetime.utctime=String(utchour).padStart(2,'0')+String(d.getMinutes()).padStart(2,'0');
   return datetime;
 }
 
@@ -98,23 +122,17 @@ function isMessagesNotify(){
   }
 }
 
-//function getTemperature(){
-//    var temperature = E.getTemperature();
-//    temperature = typeof temperature !== 'undefined' ? temperature:99999;
-//    return Math.round(temperature);
-//}
+function getTemperature(){
+   var temperature = E.getTemperature();
+   temperature = typeof temperature !== 'undefined' ? temperature:99999;
+   return Math.round(temperature);
+}
 
-//function getHRM(){
-//  hrm=Bangle.getHealthStatus('10min').bpm;
-//  hrm = typeof hrm !== 'undefined' ? hrm:0;
-//  return hrm;
-//}
-
-//function getGPS(){
-//  GPS=Bangle.getPressure();
-//  GPS = typeof GPS !== 'undefined' ? GPS:{temperature:0,pressure:0,altitude:0};
-//  return GPS;
-//}
+function getHRM(){
+ hrm=Bangle.getHealthStatus('last');
+ hrm = typeof hrm !== 'undefined' ? hrm:0;
+ return hrm;
+}
 
 function isBTConnected(){
   return NRF.getSecurityStatus().connected;
@@ -127,7 +145,7 @@ function getBattery(){
   } else if (battlevel >= 100) {
     battlevel = 99;
   }
-  battlevel=String(battlevel).padStart(2,'0');
+  battlevel=String(battlevel);
   return battlevel;
 }
 
@@ -140,6 +158,8 @@ function isActive(){
 }
 
 function setLight(id,label,check,onColour,offColour){
+  // print('setlight:',id); //debug
+  layout.clear(layout[id]);
   onColour = typeof onColour !== 'undefined' ? onColour:Light_on;
   offColour = typeof offColour !== 'undefined' ? offColour:Light_off;
   if (label !== '') {
@@ -150,6 +170,38 @@ function setLight(id,label,check,onColour,offColour){
   } else {
     layout[id].bgCol=offColour;
   }
+  layout.render(layout[id]);
+}
+
+function setDATA(id,label){
+  layout.clear(layout[id]);
+  try {
+    if (isNaN(label)) {
+      data='-----';
+    } else {
+      data=String(String(label).toString(16)).toUpperCase().padStart(5,'0').substring(0,5);
+    }
+  } catch(e) {
+    data='-----';
+  }
+  layout[id].label=data;
+  layout.render(layout[id]);
+}
+
+function setWORD(id,label){
+  layout.clear(layout[id]);
+  try {
+    if (isNaN(label)) {
+      data='--';
+    } else {
+      data=String(String(label).toString(16)).toUpperCase().padStart(2,'0').substring(0,2);
+    }
+  } catch(e) {
+    data='--';
+  }
+//  print(id, data); //debug
+  layout[id].label=data;
+  layout.render(layout[id]);
 }
 
 function draw_bg(){
@@ -162,16 +214,17 @@ function draw_bg(){
 }
 
 // actual display
-function draw(){
+function drawMain(){
+  remove_alt_events();
   datetime=getdatetime();
-  
-  layout.R1.label=datetime.localtime;
-  layout.R2.label=datetime.utctime;
-  layout.R3.label=String(getSteps()).padStart(5,'0');
-  
-  layout.PROG.label=String(getBattery()).padStart(2,'0');
-  layout.VERB.label=String(datetime.month).padStart(2,'0');
-  layout.NOUN.label=String(datetime.day).padStart(2,'0');
+
+  setDATA('R1',datetime.localtime);
+  setDATA('R2',datetime.utctime);
+  setDATA('R3',getSteps());
+
+  setWORD('PROG',getBattery());
+  setWORD('VERB',datetime.month);
+  setWORD('NOUN',datetime.day);
   
   setLight('COMPACTY','',isActive(),Light_COMPACTY);
   setLight('L1','MSG',isMessagesNotify());
@@ -179,10 +232,10 @@ function draw(){
   setLight('L3','BT',!isBTConnected(),Light_warn);
   setLight('L4','BATT',(getBattery()<=20),Light_warn);
   setLight('L5','ALARM',isAlarmSet(),Light_warn);
-  setLight('L6','STEP',(getSteps()>=getStepGoal()),'#0a0');  
-  
+  setLight('L6','STEP',(getSteps()>=getStepGoal()),'#0a0');
+
+  // layout.forgetLazyState();
   layout.render();
-  //  layout.debug();
 }
 
 var drawTimeout;
@@ -191,10 +244,120 @@ function queueDraw() {
   if (drawTimeout) clearTimeout(drawTimeout);
   drawTimeout = setTimeout(function() {
     drawTimeout = undefined;
-    draw();
+    let mode = 0;
+    remove_alt_events();
+    drawMain();
   }, 60000 - (Date.now() % 60000));
 }
 
+////// ALT modes /////
+function drawAlt(mode) {
+  remove_alt_events();
+  mode = typeof mode !== 'undefined' ? mode:0;
+  // print('drawAlt: ', mode);  // debug
+  // Show mode in PROG
+  setWORD('PROG',mode);
+  setWORD('NOUN','');
+  setWORD('VERB','');
+  // Disable Battery warning light in to show PROG no longer shows battery level
+  setLight('L4','BATT',false);
+  switch (mode) {
+    case 1:
+      setLight('L6','HRM',true);
+      mode_HRM();
+      break;
+    case 2:
+      setLight('L6','GPS',true);
+      mode_GPS();
+      break;
+    case 3:
+      setLight('L6','TEMP',true);
+      mode_weather();
+      break;
+    case 4:
+      setLight('L6','ACCEL',true);
+      mode_accel();
+      break;
+    case 5:
+      setLight('L6','HDG',true);
+      mode_compass();
+      break;
+    default:
+      drawMain();
+  }
+  layout.render();
+}
+
+
+function mode_weather() {
+  weather=getWeather();
+  setDATA('R1',weather.temp);
+  setDATA('R2',weather.hum);
+  setDATA('R3',weather.wind);
+}
+
+function mode_compass() {
+  Bangle.setCompassPower(1);
+  Bangle.on('mag', show_compass);
+}
+function mode_accel() {
+  Bangle.on('accel', show_accel);
+}
+function mode_GPS() {
+  Bangle.setGPSPower(1,'dsky_clock');
+  Bangle.on('GPS', show_GPS);
+}
+
+function mode_HRM() {
+  Bangle.setHRMPower(true, 'dsky_clock');  
+  Bangle.on('HRM', show_HRM);
+}
+function show_HRM() {
+  setLight('COMPACTY','',isActive(),Light_COMPACTY);
+  hrm=getHRM();
+  setDATA('R1',hrm.bpm);
+  setDATA('R2',hrm.bpmConfidence);
+//  setDATA('R3',hrm.steps);
+}
+
+function show_GPS() {
+  setLight('COMPACTY','',isActive(),Light_COMPACTY);
+  gps=Bangle.getGPSFix();
+  setWORD('NOUN',gps.fix);
+  setWORD('VERB',gps.satellites);
+  setDATA('R1',gps.lat);
+  setDATA('R2',gps.lon);
+  setDATA('R3',gps.speed);
+}
+
+function show_compass() {
+  setLight('COMPACTY','',isActive(),Light_COMPACTY);
+  compass=Bangle.getCompass();
+  setDATA('R1',compass.heading);
+  setDATA('R2');
+  setDATA('R3');
+}
+
+function show_accel() {
+  setLight('COMPACTY','',isActive(),Light_COMPACTY);
+  accel=Bangle.getAccel();
+  setDATA('R1',accel.x);
+  setDATA('R2',accel.y);
+  setDATA('R3',accel.z);
+}
+
+
+function remove_alt_events() {
+  Bangle.removeListener('accel', show_accel);
+  Bangle.removeListener('mag', show_compass);
+  Bangle.setCompassPower(0);
+  Bangle.removeListener('GPS', show_GPS);
+  Bangle.setGPSPower(0);
+  Bangle.removeListener('HRM', show_HRM);
+  Bangle.setHRMPower(0);
+  setLight('COMPACTY','',isActive(),Light_COMPACTY);
+}
+
 //////////// Main
 
 // Show launcher when middle button pressed
@@ -209,17 +372,27 @@ Bangle.loadWidgets();
 require("widget_utils").swipeOn(); // hide widgets, make them visible with a swipe
 
 Bangle.on('lock',on=>{
-  draw(); // draw immediately
+  mode = 0;
+  remove_alt_events();
+  drawMain(); // draw immediately
   });
-
-Bangle.on('GPS',draw);
-Bangle.on('HRM',draw);
-Bangle.on("message",draw);
-Bangle.on('charging',draw);
-NRF.on('connect',draw);
-NRF.on('disconnect',draw);
+Bangle.on('HRM',function() { setLight('COMPACTY','',isActive(),Light_COMPACTY);});
+Bangle.on("message",function() { setLight('COMPACTY','',isActive(),Light_COMPACTY);});
+Bangle.on('charging',drawMain);
+NRF.on('connect',function() {   setLight('L3','BT',!isBTConnected(),Light_warn); });
+NRF.on('disconnect',function() {   setLight('L3','BT',!isBTConnected(),Light_warn); });
+Bangle.on('tap', function(data) {
+  if (!Bangle.isLocked() && data.double) {
+    if (mode > 5 ) {
+      mode = 0;
+    } else {
+      mode=mode+1;
+    }
+  }
+  drawAlt(mode);
+});
 
 g.clear();
 draw_bg();
-draw();
+drawMain();
 queueDraw();
\ No newline at end of file