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--- manual:user_guide:tools:gps [2022/09/21 17:53] – mstupka
+++ manual:user_guide:tools:gps [2023/05/05 08:27] (current) – [GPS] mstupka
@@ Line 4: / Line 4: @@
 ----
-The **GPS/Compass button/indicator** can be placed in one of the **[[:manual:user_guide:functions:panel|Functions panels]]**:\\ {{ :manual:user_guide:tools:gpsscreen4.png?nolink |}}\\ It indicates your **internal GPS status**:
+The **GPS/Compass button/indicator** can be placed in one of the **[[:manual:user_guide:functions:panel|Functions panels]]**:\\ {{ :manual:user_guide:tools:gpsscreen01.jpg?nolink |}}\\ It indicates your **internal GPS status**:
   * {{:manual:user_guide:ic_gps_off_default.png?nolink&30}}- acquiring of location is **disabled**
@@ Line 11: / Line 11: @@
   * {{:manual:user_guide:ic_gps_on_fix_default.png?nolink&30}}- current location is **valid**  (GPS is fixed), location on the map is marked by a //blue circle//
   * {{:manual:user_guide:ic_gps_on_ap_fix_default.png?nolink&30}}- the same as above, but //Internal GPS Auto-off//  is **enabled**  (see more in [[:manual:user_guide:settings:gps|GPS settings >>]])
-  * {{:manual:user_guide:ic_gps_simulation.png?nolink&30|}}- GPS simulation is on
+  * {{:manual:user_guide:ic_gps_simulation.png?nolink&30|}} - GPS simulation is on
 The **GPS/Compass button**  switches on a separate two tabbed window displaying [[:manual:user_guide:tools:gps|GPS skyplot and Compass]]. When you **hold**  the GPS/Compass button, a menu appears for a **fast switch of GPS status**.
@@ Line 18: / Line 18: @@
 The first tab displays the **skyplot** - placement of monitored GPS satellites and other useful information like current //altitude//, //speed//, //GPS accuracy//, //current coordinates//, //number of fixed/visible satellites// and //time of the last GPS fix//.
-{{ :manual:user_guide:tools:gpsscreen.png?nolink |}}
+{{ :manual:user_guide:tools:gpsscreen02.jpg?nolink |}}
 <WRAP box>
 **Legend**
@@ Line 24: / Line 24: @@
   * //Squares// - satellites of the Russian Glonass positioning system
   * //Triangles// - satellites of Chinese Beidou system
-  * //Rhombus// - satellites of European Galileo system
+  * //Rhombus// - satellites of the European Galileo system
   * //Color// - signal quality (red - low, yellow - middle, green - high)
   * //Height of bars// - signal to noise ratio
+  * //Asterisk above bar// - dual-band satellite, using both L1 and L5 frequencies - much more accurate
 </WRAP>
 Tapping the skyplot or the button in the bottom **switches GPS on/off**.
+==== Source selection ====
+ Tapping the side of the bottom button opens a selection of available location sources:\\ {{ :manual:user_guide:tools:gpsscreen04.jpg?nolink |}}
+  * **Internal GNSS** - satellite localization unit built in your device combining various providers - GPS, Galileo, Beidou, Glonass...
+  * **External GNSS** - a device connected to Locus via Bluetooth or USB
+=== GPS simulation ===
+  * **Indoor training** - turn on when you need to record your indoor workout
+  * **NMEA** - simulation of movement read from NMEA files stored in /Locus/cache/nmea/ directory
+  * **Track** - simulation based on a pre-recorded track (beta testing versions only)
+Active simulation is indicated red:\\ {{ :manual:user_guide:tools:gpsscreen03.jpg?nolink |}}
 ==== Topbar menu ====
-{{ :manual:user_guide:tools:gpsscreen3.png?nolink |}}\\
+{{ :manual:user_guide:tools:gpsscreen05.jpg?nolink |}}\\
-Topbar menu contains shortcuts to several items of your device sensors' settings:
+The topbar menu contains shortcuts to several items of your device sensors' settings:
-  * **[[manual:user_guide:tools:bluetooth|Bluetooth manager]]**
   * **[[manual:user_guide:tools:altitude|Altitude manager]]**
-  * **GPS simulation**:\\ {{ :manual:user_guide:tools:gpsscreen5.png?nolink |}}
-    * **Indoor training** - turn on when you need to record your indoor workout
-    * **NMEA** - simulation of movement read from NMEA messages\\ Active simulation is indicated red:\\ {{ :manual:user_guide:tools:gpsscreen6.png?nolink |}}
   * **Settings**:
     * **[[manual:user_guide:settings:gps|GPS and sensors]]**
-    * **System settings** - direct link to your device operation system settings of location
+    * **System settings** - direct link to your device operating system settings of location
 ==== 3D skyplot ====
 The skyplot can be switched into a 3D version:
@@ Line 50: / Line 60: @@
 ===== Compass =====
-The other tab displays the **compass**, //azimuth, distance of your navigation target and tilt of the phone//. Lower line contains also fields for //time to next waypoint// active in navigation and [[https://en.wikipedia.org/wiki/Declination|declination]] value.
+The other tab displays the **compass**, //azimuth, the distance of your navigation target, and tilt of the phone//. Lower line contains also fields for //time to next waypoint// active in navigation and [[https://en.wikipedia.org/wiki/Declination|declination]] value.
-The compass ring displays current position of **the Sun** in the sky .
+The compass ring displays the current position of **the Sun** in the sky.
 {{ :manual:user_guide:compassscreen.png?nolink |}}
 <wrap tip>Tapping the tilting indicators opens a menu offering sensor calibration.</wrap>

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