service.js

app.factory('appSettings', function() {
  var profile = "default";
  var configSelections = {
   "DataRate": "500SPS",
   "TestAmp": "1x(VREFP-VREFN)/2.4mV",
   "TestFreq": "fclk/2^21",
   "PDRefBuf": 1,
   "EnableLOFF": "LOFF Disabled",
   "COMP_TH": "95%",
   "ILEAD_OFF": "6nA",
   "FLEAD_OFF": "fDR/4",
   "ChannelPowerDown": 1,
   "ChannelGain": 24,
   "ChannelSRB2": 0,
   "ChannelMux": "Normal",
   "LOFF_SENSEP": 0,
   "LOFF_SENSEN": 0,
   "LOFF_FLIP":  0,
   "BIAS_SENSEP": 0,
   "BIAS_SENSEN": 0,
   "SRB1": "Switches Open",
   "SingleShot": "Continuous",
   "GPIOdata": 0,
   "GPIOcontrol": 0
  };
})

return {
  profile: profile,
  setProfile: function(newProfile)
    profile = newProfile;
  },
  configSelections: configSelections,
  setConfigSelections: function(newConfig) {
    configSelections = newConfig;
  }
 }
});