Improved README

README.md

@@ -1,60 +1,60 @@
 ![Icon](app/src/main/res/mipmap-xhdpi/ic_launcher.png)
 # SSTV Encoder 2
 
-This app sends images via Slow-Scan Television (SSTV).
+Image encoder for Slow-Scan Television (SSTV) audio signals
 
-### Supported Modes
+### Modes
 
-**Martin Modes:**  Martin 1, Martin 2  
+Supported SSTV modes:
-**PD Modes:**      PD 50, PD 90, PD 120, PD 160, PD 180, PD 240, PD 290  
+* **Martin Modes**:  Martin 1, Martin 2  
-**Scottie Modes:** Scottie 1, Scottie 2, Scottie DX  
+* **PD Modes**:      PD 50, PD 90, PD 120, PD 160, PD 180, PD 240, PD 290   
-**Robot Modes:**   Robot 36 Color, Robot 72 Color  
+* **Robot Modes**:   Robot 36 Color, Robot 72 Color  
-**Wraase Modes:**  Wraase SC2 180
+* **Scottie Modes**: Scottie 1, Scottie 2, Scottie DX 
+* **Wraase Modes**:  Wraase SC2 180
 
 The mode specifications are taken from the Dayton Paper, JL Barber, "Proposal for SSTV Mode Specifications", 2000:  
 http://www.barberdsp.com/downloads/Dayton%20Paper.pdf
 
 ### Image
 
-Tap "Take Picture" or "Pick Picture" menu button or  
+To load an image:
-use the Share option of any app like Gallery to load an image.
+* tap **"Take Picture"** or **"Pick Picture"** menu button, or  
+* use the **Share** option of an app like e.g. Gallery.
 
 To keep the aspect ratio, black borders will be added if necessary.  
-Original image can be resend using another mode without reloading.
+Original image can be resend using another mode without reloading.  
-
+After image rotation or mode changing the image will be scaled to that mode's native size.  
-After image rotation or mode changing the image  
-will be scaled to that mode's native size.
-
 After closing the app the loaded image will not be stored.
 
 ### Text Overlay
 
-Single tap **to add** a text overlay.  
+Actions for working with text overlays:
-Single tap on text overlay **to edit** it.  
+* Single tap **to add** a text overlay.  
-Long press **to move** text overlay.  
+* Single tap on text overlay **to edit** it.  
-Remove the text **to remove** a text overlay.
+* Long press **to move** text overlay.  
+* Remove the text **to remove** a text overlay.
 
-After closing the app all text overlays  
+After closing the app all text overlays will be stored and reloaded when restarting.
-will be stored and reloaded when restarting.
 
 ### Menu
 
-* **"Play"** - Sends the image.
+Available menu options:
-* **"Stop"** - Stops the current sending and empties the queue.
+* **"Play"**: Sends the image
-* **"Pick Picture"** - Opens an image viewer app to select a picture.
+* **"Stop"**: Stops the current sending and empties the queue
-* **"Take Picture"** - Starts a camera app to take a picture.
+* **"Pick Picture"**: Opens an image viewer app to select a picture
-* **"Save as WAVE File"** - Creates a wave file in the Music folder in SSTV Encoder album.
+* **"Take Picture"**: Starts a camera app to take a picture
-* **"Rotate Image"** - Rotates the image by 90 degrees.
+* **"Save as WAVE File"**: Creates a wave file in the Music folder in SSTV Encoder album
-* **"Modes"** - Lists all supported modes.
+* **"Rotate Image"**: Rotates the image by 90 degrees
+* **"Modes"**: Lists all supported modes
 
 ### Installation
 
 The working app "SSTV Encoder" can be installed 
 
-on Google Play:
+on Google Play:  
 https://play.google.com/store/apps/details?id=om.sstvencoder
 
-or on F-Droid:
+or on F-Droid:  
 https://f-droid.org/packages/om.sstvencoder/
 
 # SSTV Image Decoder
@@ -66,8 +66,8 @@ https://github.com/xdsopl/robot36/tree/android
 
 The working app "Robot36 - SSTV Image Decoder" can be installed
 
-on Google Play:
+on Google Play:  
 https://play.google.com/store/apps/details?id=xdsopl.robot36
 
-or on F-Droid:
+or on F-Droid:  
 https://f-droid.org/packages/xdsopl.robot36/