From 559572075cf6a692c1f0305461245ac5d9d6c9df Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Eckhard=20V=C3=B6llm?= <e.voellm@mail.de>
Date: Wed, 3 Jan 2024 18:39:16 +0100
Subject: [PATCH] add nautical miles for unit

---
 main/SetupMenu.cpp | 2 +-
 main/Units.h       | 6 +++---
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/main/SetupMenu.cpp b/main/SetupMenu.cpp
index 6ea1925..b7d325a 100644
--- a/main/SetupMenu.cpp
+++ b/main/SetupMenu.cpp
@@ -260,7 +260,7 @@ void SetupMenu::options_menu_create_units( MenuEntry *top ){
         SetupMenuSelect * dst = new SetupMenuSelect( PROGMEM"Distance", RST_NONE , 0, true, &dst_unit );
         dst->addEntry( PROGMEM"KiloMeter (km)");
         dst->addEntry( PROGMEM"KiloFeet (kft)");
-        dst->addEntry( PROGMEM"Miles     (mi)");
+        dst->addEntry( PROGMEM"NauticalMiles (nm)");
         top->addEntry( dst );
 }
 
diff --git a/main/Units.h b/main/Units.h
index 1d9f4ea..3efc2ac 100644
--- a/main/Units.h
+++ b/main/Units.h
@@ -26,8 +26,8 @@ class Units {
 			return( d );
 		else if( dst_unit.get() == DST_UNIT_FT ) // ft
 			return( d*3.28084 );
-		else if( dst_unit.get() == DST_UNIT_MILES ) // mi
-			return( d*0.621371 );
+		else if( dst_unit.get() == DST_UNIT_MILES ) // nautical miles, nm
+			return( d*0.539957 );
 		else
 			ESP_LOGE(FNAME,"Wrong unit for Distance");
 		return d;
@@ -240,7 +240,7 @@ class Units {
 		else if( u == DST_UNIT_FT ) // kilo-feet
 			return( "kft" );
 		else if( u == DST_UNIT_MILES ) // Miles mi
-			return( "mi" );
+			return( "nm" );
 		else
 			ESP_LOGE(FNAME,"Wrong unit for distance %d", u );
 		return "nan";