code: function (channelNumber) {
      return new Promise(function (resolve, reject) {
        switch (channelNumber) {
          case 1:
            resolve(obciChannelOff1);
            break;
          case 2:
            resolve(obciChannelOff2);
            break;
          case 3:
            resolve(obciChannelOff3);
            break;
          case 4:
            resolve(obciChannelOff4);
            break;
          case 5:
            resolve(obciChannelOff5);
            break;
          case 6:
            resolve(obciChannelOff6);
            break;
          case 7:
            resolve(obciChannelOff7);
            break;
          case 8:
            resolve(obciChannelOff8);
            break;
          case 9:
            resolve(obciChannelOff9);
            break;
          case 10:
            resolve(obciChannelOff10);
            break;
          case 11:
            resolve(obciChannelOff11);
            break;
          case 12:
            resolve(obciChannelOff12);
            break;
          case 13:
            resolve(obciChannelOff13);
            break;
          case 14:
            resolve(obciChannelOff14);
            break;
          case 15:
            resolve(obciChannelOff15);
            break;
          case 16:
            resolve(obciChannelOff16);
            break;
          default:
            reject(Error('Error [commandChannelOff]: Invalid Channel Number'));
            break;
        }
      });
    }
docs: Purpose: To get the proper command to turn a channel off
  @param channelNumber - A number (1-16) of the desired channel
  @returns {Promise}