{
 "cells": [
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments\n",
    ".. index::\n",
    "   single: Instruments; Dashboard"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Dashboard"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "This chapters is a list of available standard Dashboard instruments which are the first one in the Preference dialog's **Add** button's list."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "In case you are not a longterm user of OpenCPN or [otherwise have not read its documentation](https://opencpn.org/wiki/dokuwiki/doku.php?id=opencpn:opencpn_user_manual:plugins:included_plugins:dashboard) you may want to take a look of this list: these instruments you can find also from the built-in Dashboard, the look of them may vary between the two since in _DashT_ there are quite a few customization options available, see corresponding chapter for possible tweaks through the .ini/.conf-file."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Configuration"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "The below screen capture configuration screen of the _DashT Preferences_ dialog, its _Appereance_ tab. It only a little bit changed - for temperature unit - in _DashT_ compared to what is available in _OpenCPN_ built-in Dashboard plug-in. Therefore you are invited to consult the _OpenCPN_ buit-in documentation for their meaning. However, they are quite self-explanatory:"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/900_appearance_dialog.png\"\n",
    "alt=\"Dashboard Settings - Appearance\" width=\"400\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "There is more, in-depth analysis made directly from the code base available in [Tweaks chapter, about ini/conf-file settings](../tweaks/tweaks.ipynb#Dashboard)."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Air temperature"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Air temperature"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/001_air_temperature_c.png\" alt=\"Air Temperature Celcius\" width=\"150\"> | <img src=\"img/002_air_temperature_f.png\" alt=\"Air Temperature Fahrenheit\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Air temperature. Only you know from where and how it is actually measured and how well the instrument is calibrated."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; AWA/TWA Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## AWA/TWA Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/005_awa_twa_dial.png\"\n",
    "alt=\"AWA/TWA Dial\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Apparent Wind Angle (upper needle) and True Wind Angle (lower needle) Dial. You get also the speed information and the True Wind Direction as numerical values."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; AWA"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## AWA"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/010_awa.png\"\n",
    "alt=\"AWA\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Apparent Wind Angle as numerical value."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; AWA/AWS Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## AWA/AWS Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/015_awa_aws_dial.png\"\n",
    "alt=\"AWA/AWS Dial\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Apparent Wind Angle (needle and numerical value) and Apparent Wind Speed (numerical value) Dial."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; AWS Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## AWS Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/020_aws_dial.png\"\n",
    "alt=\"AWS Dial\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Apparent Wind Speed dial. Numerical value is given, also for the true wind speed."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; AWS"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## AWS"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/025_aws.png\"\n",
    "alt=\"AWS\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Apparent Wind Speed as numerical value."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Baro History"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Baro History"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/030_baro_history.png\"\n",
    "alt=\"Baro History\" width=\"400\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Barometric history. Please note that this instrument allows you to register the data by exporting the values to a CVS-formatted file with a fixed interval. Click on the **X**-button. See also [Tweaks](../tweaks/tweaks.ipynb#BaroHistory)."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Barometer"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Barometer"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/035_baro.png\"\n",
    "alt=\"Barometer\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Latest value from the barometer."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Baro Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Baro Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/040_baro_dial.png\"\n",
    "alt=\"Barometer Dial\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Latest value from the barometer if you prefer a dial. Oh, and you get more decimals as bonus for the numerical value!"
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; COG"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## COG"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/045_cog.png\"\n",
    "alt=\"COG\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Course Over Ground."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Cursor"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Cursor"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/050_cursor.png\"\n",
    "alt=\"Context menu\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Position of the cursor."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    ">The depicted position is South of the Delarof Islands, U.S.A."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Depth Graph"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Depth Graph"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/055_depth_graph.png\"\n",
    "alt=\"Depth as graph\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Depth as graph, also as numerical value and unit, also with the temperature of the water."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Depth"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Depth"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/060_depth.png\"\n",
    "alt=\"Depth\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Depth in a numerical instrument."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; From Ownship"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## From Ownship"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/065_from_ownship.png\"\n",
    "alt=\"From Ownship\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Position and the distance of the cursor from the actual position of the boat."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; GPS Clock"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## GPS Clock"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/070_gps_clock.png\"\n",
    "alt=\"GPS Clock\" width=\"150\">"
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; GPS Compass"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "UTC time provided by the GPS."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## GPS Compass"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/075_gps_compass.png\"\n",
    "alt=\"GPS Compass\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "GPS Compass is actually Course on Ground (COG), giving also the numerical value together with the speed on ground."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Satellites"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Satellites in view"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/080_gps_in_view.png\"\n",
    "alt=\"Satellites in view\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Number of satellites in view."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Satellite Status"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Satellite Status"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/085_gps_status_graph.png\"\n",
    "alt=\"Satellite Status\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Provides a graphical, condensed summary about the satellites currently in view."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Heel"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Heel"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/090_heel.png\"\n",
    "alt=\"Heel\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Heel angle, aka. \"Roll\"."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    ">Arrow direction? Right = Starboard side, Left = Port side."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; CPU clock"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## CPU clock"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/095_local_cpu_clock.png\"\n",
    "alt=\"CPU clock\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "In a long _passage_, if you do not synchronize your computer clock with the GPS somehow, it will be drifting. See below."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; GPS loc.time"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## GPS local time"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/100_local_gps_clock.png\"\n",
    "alt=\"GPS Local ime\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Local time from GPS satellites."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    ">**NOTE**: in distributed systems the correct time synchronization between various devices is of uttermost importance! See above: compare your CPU's time to this time (or to the GPS UTC time if you are running UTC time on your navigation computer). Do not let the CPU clock to drift away, readjust if necessary, or better still would be to syncronize all boat's devices to the GPS if that is possible."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; loc.sunrise/set"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## (local) Sunrise/Sunset"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/105_local_sunrise_sunset.png\"\n",
    "alt=\"Sunrise/Sunset\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Sunrise and sunset in your current location using the local time."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Magnetic COG"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Magnetic COG"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/110_mag_cog.png\"\n",
    "alt=\"Magnetic COG\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Magnetic Course on Ground."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Magnetic HDG"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Magnetic HDG"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/115_mag_hdg.png\"\n",
    "alt=\"Magnetic HDG\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Magnetic Heading."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Moon Phase"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Moon Phase"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/120_moon_phase.png\"\n",
    "alt=\"Moon Phase\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Moon phase in the current position referred to the GPS time."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Pitch"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Pitch"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/125_pitch.png\"\n",
    "alt=\"Pitch\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Pitch angle. Arrows are pointing the nose going up or down."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Position"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Position"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/130_position.png\"\n",
    "alt=\"Position\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Current position of the boat."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Rudder graph"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Rudder angle graph"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/135_rudder_angle_graph.png\"\n",
    "alt=\"Rudder angle graph\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Rudder angle as graph."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    ">Take the \"needle\" center point as the rudder shaft. When the rudder turns on the starboard side ( = right on the graph = pushing the tiller to the port side), the boat turns to starboard direction."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Rudder"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Rudder angle"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/140_rudder_angle.png\"\n",
    "alt=\"Rudder angle\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Numerical presentation of the above graph. Negative values are to the port side and positive values to the starboard side."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; SOG"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## SOG"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/145_sog.png\"\n",
    "alt=\"SOG\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Speed on Ground."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; SOG Speedo"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## SOG Speedometer"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/150_speedometer_dial.png\"\n",
    "alt=\"Speedometer\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Speedometer - the classical OpenCPN dial, presenting the Speed On Ground, together with the Speed Through Water as a numerical side value."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; STW"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## STW"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/155_stw.png\"\n",
    "alt=\"STW\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Speed Through Water. Keep your paddle wheel clean. This is an important input to Tactics functions!"
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Log"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Sum Log"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/160_sum_log.png\"\n",
    "alt=\"Sum Log\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Total log distance given by your navigation system."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; UTC sunrise/set"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Sunrise and Sunset"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/165_sunrise_sunset.png\"\n",
    "alt=\"Sunrise and Sunset\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "There is the same instrument for the local time in the current location. This is the same but with the UTC time."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Trip log"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Trip Log"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/170_trip_log.png\"\n",
    "alt=\"Trip log\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Trip distance given by your navigation system."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; True Compass"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## True Compass"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/175_true_compass_dial.png\"\n",
    "alt=\"Context menu\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "True Compass shows HDT, true heading direction and its value. Speed through water (STW) is shown as a side value."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; True HDG"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## True Heading"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/180_true_hdg.png\"\n",
    "alt=\"True Heading\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Same as True Compass, _i.e._ true heading direction as numerical value."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; TWA"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## TWA"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/185_twa.png\"\n",
    "alt=\"TWA\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "True Wind Angle"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## TWS"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/187_tws.png\"\n",
    "alt=\"TWS\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "True Wind Speed"
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; TWA/TWS Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## TWA/TWS Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/190_twa_tws_dial.png\"\n",
    "alt=\"TWA/TWS Dial\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "True Wind Angle and True Wind Speed dial."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; TWD/TWS Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## TWD/TWS Dial"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/195_twd_tws_dial.png\"\n",
    "alt=\"TWD/TWS Dial\" width=\"200\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "True Wind Direction and True Wind Speed dial."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; VMG (route)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## VMG (route)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/215_vmg_-route.png\"\n",
    "alt=\"VMG (route)\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Velocity Made Good - **not** indicating speed of a sailboat towards the direction of the wind. See Tactics instrument for it. This value is an OpenCPN term defining the speed of the boat to the direction of the next marker in an **active** OpenCPN route."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    ">Tactics uses this term also in its perhaps more classical meaning for the sailing boats. Nevertheless, it is flexibile enough to use another term since the OpenCPN one cannot be changed. See the [Tweaks](../tweaks/tweaks.ipynb#DashT/Tactics): the abbreviation can be changed to your liking in all Tactics functions."
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Water temperature"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Water temperature"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/220_water_temp_c.png\" alt=\"Water temperature Celcius\" width=\"150\"> | <img src=\"img/225_water_temp_f.png\" alt=\"Water temperature Fahrenheit\" width=\"150\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Water temperature. Only you know from where the temperature is taken and how well it is calibrated. It is better to get one's feet wet before jumping in!"
   ]
  },
  {
   "cell_type": "raw",
   "metadata": {
    "raw_mimetype": "text/restructuredtext"
   },
   "source": [
    ".. index::\n",
    "   single: Instruments; Wind history"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Wind History"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "<img src=\"img/230_wind_history.png\"\n",
    "alt=\"Wind History\" width=\"400\">"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "True Wind Direction and True Wind Speed data history. Please note that this instrument allows you to register the data by exporting the values to a CVS-formatted file with a fixed interval. Click on the **X**-button. See also [Tweaks](../tweaks/tweaks.ipynb#Windhistory). The [Tactics chapter](../tactics/tactics.ipynb#Data-Export) explains the saving of the data from the GUI more precisely."
   ]
  }
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