+ Altus Metrum transmitters can be configured to operate at
+ lower data rates to improve transmission range. If you have
+ configured your device to do this, this menu item allows you
+ to change the receiver to match.
+ </para>
+ </section>
+ <section>
+ <title>Change units</title>
+ <para>
+ This toggles between metric and imperial units.
+ </para>
+ </section>
+ <section>
+ <title>Load maps</title>
+ <para>
+ Brings up a dialog allowing you to download offline map
+ tiles so that you can have maps available even if you have
+ no network connectivity at the launch site.
+ </para>
+ </section>
+ <section>
+ <title>Map type</title>
+ <para>
+ Displays a menu of map types and lets you select one. Hybrid
+ maps include satellite images with a roadmap
+ overlaid. Satellite maps dispense with the roadmap
+ overlay. Roadmap shows just the roads. Terrain includes
+ roads along with shadows indicating changes in elevation,
+ and other geographical features.
+ </para>
+ </section>
+ <section>
+ <title>Toggle Online/Offline maps</title>
+ <para>
+ Switches between online and offline maps. Online maps will
+ show a 'move to current position' icon in the upper right
+ corner, while offline maps will have copyright information
+ all over the map. Otherwise, they're pretty similar.
+ </para>
+ </section>
+ <section>
+ <title>Select Tracker</title>
+ <para>
+ Switches the information displays to show data for a
+ different transmitting device. The map will always show all
+ of the devices in view. Trackers are shown and selected by
+ serial number, so make sure you note the serial number of
+ devices in each airframe.
+ </para>
+ </section>
+ <section>
+ <title>Delete Track</title>
+ <para>
+ Deletes all information about a transmitting device.
+ </para>
+ </section>
+ </section>
+ <section>
+ <title>AltosDroid Flight Monitoring</title>
+ <para>
+ AltosDroid is designed to mimic the AltosUI flight monitoring
+ display, providing separate tabs for each stage of your rocket
+ flight along with a tab containing a map of the local area
+ with icons marking the current location of the altimeter and
+ the Android device.
+ </para>
+ <section>
+ <title>Pad</title>
+ <para>
+ The 'Pad' tab shows information used to decide when the
+ rocket is ready for flight. The first elements include red/green
+ indicators, if any of these is red, you'll want to evaluate
+ whether the rocket is ready to launch.
+ </para>
+ <para>
+ When the pad tab is selected, the voice responses will
+ include status changes to the igniters and GPS reception,
+ letting you know if the rocket is still ready for launch.
+ </para>
+ <variablelist>
+ <varlistentry>
+ <term>Battery</term>
+ <listitem>
+ <para>
+ This indicates whether the Li-Po battery
+ powering the transmitter has sufficient charge to last for
+ the duration of the flight. A value of more than
+ 3.8V is required for a 'GO' status.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Receiver Battery</term>
+ <listitem>
+ <para>
+ This indicates whether the Li-Po battery
+ powering the TeleBT has sufficient charge to last for
+ the duration of the flight. A value of more than
+ 3.8V is required for a 'GO' status.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Data Logging</term>
+ <listitem>
+ <para>
+ This indicates whether there is space remaining
+ on-board to store flight data for the upcoming
+ flight. If you've downloaded data, but failed to
+ erase flights, there may not be any space
+ left. TeleMetrum and TeleMega can store multiple
+ flights, depending on the configured maximum flight
+ log size. TeleGPS logs data continuously. TeleMini
+ stores only a single flight, so it will need to be
+ downloaded and erased after each flight to capture
+ data. This only affects on-board flight logging; the
+ altimeter will still transmit telemetry and fire
+ ejection charges at the proper times.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>GPS Locked</term>
+ <listitem>
+ <para>
+ For a TeleMetrum or TeleMega device, this indicates whether the GPS receiver is
+ currently able to compute position information. GPS requires
+ at least 4 satellites to compute an accurate position.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>GPS Ready</term>
+ <listitem>
+ <para>
+ For a TeleMetrum or TeleMega device, this indicates whether GPS has reported at least
+ 10 consecutive positions without losing lock. This ensures
+ that the GPS receiver has reliable reception from the
+ satellites.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Apogee Igniter</term>
+ <listitem>
+ <para>
+ This indicates whether the apogee
+ igniter has continuity. If the igniter has a low
+ resistance, then the voltage measured here will be close
+ to the Li-Po battery voltage. A value greater than 3.2V is
+ required for a 'GO' status.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Main Igniter</term>
+ <listitem>
+ <para>
+ This indicates whether the main
+ igniter has continuity. If the igniter has a low
+ resistance, then the voltage measured here will be close
+ to the Li-Po battery voltage. A value greater than 3.2V is
+ required for a 'GO' status.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Igniter A-D</term>
+ <listitem>
+ <para>
+ This indicates whether the indicated additional pyro
+ channel igniter has continuity. If the igniter has a
+ low resistance, then the voltage measured here will
+ be close to the Li-Po battery voltage. A value
+ greater than 3.2V is required for a 'GO' status.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ <para>
+ The Pad tab also shows the location of the Android device.
+ </para>
+ </section>
+ <section>
+ <title>Flight</title>
+ <para>
+ The 'Flight' tab shows information used to evaluate and spot
+ a rocket while in flight. It displays speed and height data
+ to monitor the health of the rocket, along with elevation,
+ range and bearing to help locate the rocket in the sky.
+ </para>
+ <para>
+ While the Flight tab is displayed, the voice announcements
+ will include current speed, height, elevation and bearing
+ information.
+ </para>
+ <variablelist>
+ <varlistentry>
+ <term>Speed</term>
+ <listitem>
+ <para>
+ Shows current vertical speed. During descent, the
+ speed values are averaged over a fairly long time to
+ try and make them steadier.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Height</term>
+ <listitem>
+ <para>
+ Shows the current height above the launch pad.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Max Speed</term>
+ <listitem>
+ <para>
+ Shows the maximum vertical speed seen during the flight.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Max Height</term>
+ <listitem>
+ <para>
+ Shows the maximum height above launch pad.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Elevation</term>
+ <listitem>
+ <para>
+ This is the angle above the horizon from the android
+ devices current position.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Range</term>
+ <listitem>
+ <para>
+ The total distance from the android device to the
+ rocket, including both ground distance and
+ difference in altitude. Use this to gauge how large
+ the rocket is likely to appear in the sky.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Bearing</term>
+ <listitem>
+ <para>
+ This is the aziumuth from true north for the rocket
+ from the android device. Use this in combination
+ with the Elevation value to help locate the rocket
+ in the sky, or at least to help point the antenna in
+ the general direction. This is provided in both
+ degrees and a compass point (like West South
+ West). You'll want to know which direction is true
+ north before launching your rocket.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Ground Distance</term>
+ <listitem>
+ <para>
+ This shows the distance across the ground to the
+ lat/lon where the rocket is located. Use this to
+ estimate what is currently under the rocket.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Latitude/Longitude</term>
+ <listitem>
+ <para>
+ Displays the last known location of the rocket.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Apogee Igniter</term>
+ <listitem>
+ <para>
+ This indicates whether the apogee
+ igniter has continuity. If the igniter has a low
+ resistance, then the voltage measured here will be close
+ to the Li-Po battery voltage. A value greater than 3.2V is
+ required for a 'GO' status.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Main Igniter</term>
+ <listitem>
+ <para>
+ This indicates whether the main
+ igniter has continuity. If the igniter has a low
+ resistance, then the voltage measured here will be close
+ to the Li-Po battery voltage. A value greater than 3.2V is
+ required for a 'GO' status.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </section>
+ <section>
+ <title>Recover</title>
+ <para>
+ The 'Recover' tab shows information used while recovering the
+ rocket on the ground after flight.
+ </para>
+ <para>
+ While the Recover tab is displayed, the voice announcements
+ will include distance along with either bearing or
+ direction, depending on whether you are moving.
+ </para>
+ <variablelist>
+ <varlistentry>
+ <term>Bearing</term>
+ <listitem>
+ <para>
+ This is the aziumuth from true north for the rocket
+ from the android device. Use this in combination
+ with the Elevation value to help locate the rocket
+ in the sky, or at least to help point the antenna in
+ the general direction. This is provided in both
+ degrees and a compass point (like West South
+ West). You'll want to know which direction is true
+ north before launching your rocket.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Direction</term>
+ <listitem>
+ <para>
+ When you are in motion, this provides the angle from
+ your current direction of motion towards the rocket.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Distance</term>
+ <listitem>
+ <para>
+ Distance over the ground to the rocket.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Tar Lat/Tar Lon</term>
+ <listitem>
+ <para>
+ Displays the last known location of the rocket.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>My Lat/My Lon</term>
+ <listitem>
+ <para>
+ Displays the location of the Android device.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Max Height</term>
+ <listitem>
+ <para>
+ Shows the maximum height above launch pad.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Max Speed</term>
+ <listitem>
+ <para>
+ Shows the maximum vertical speed seen during the flight.
+ </para>
+ </listitem>
+ </varlistentry>
+ <varlistentry>
+ <term>Max Accel</term>
+ <listitem>
+ <para>
+ Shows the maximum vertical acceleration seen during the flight.
+ </para>
+ </listitem>
+ </varlistentry>
+ </variablelist>
+ </section>
+ <section>
+ <title>Map</title>
+ <para>
+ The 'Map' tab shows a map of the area around the rocket
+ being tracked along with information needed to recover it.
+ </para>
+ <para>
+ On the map itself, icons showing the location of the android
+ device along with the last known location of each tracker. A
+ blue line is drawn from the android device location to the
+ currently selected tracker.
+ </para>
+ <para>
+ Below the map, the distance and either bearing or direction
+ along with the lat/lon of the target and the android device
+ are shown
+ </para>
+ <para>
+ The Map tab provides the same voice announcements as the
+ Recover tab.