(docs) Adding minor changes in PT translation.

Changing some of the first screen texts.

Signed-off-by: heit0r <heitor@riseup.net>

Author: heit0r

openhantek/translations/openhantek_pt.ts

@@ -2290,7 +2290,7 @@
     <message>
         <location filename="../src/selectdevice/selectsupporteddevice.cpp" line="66"/>
         <source>&lt;p&gt;OpenHantek6022 is searching for compatible devices ...&lt;/p&gt;&lt;p&gt;&lt;img align=&apos;right&apos; height=&apos;150&apos; src=&apos;:/switch_6022BL.png&apos;&gt;Don&apos;t forget to switch your device into oscilloscope mode if it has multiple modes.&lt;/p&gt;</source>
-        <translation>&lt;p&gt;OpenHantek6022 está procurando por dispositivos compatíveis ...&lt;/p&gt;&lt;p&gt;&lt;img align=&apos;right&apos; height=&apos;150&apos; src=&apos;:/switch_6022BL.png&apos;&gt;Não se esqueça de mudar seu dispositivo no modo osciloscópio se ele tiver vários modos.&lt;/p&gt;</translation>
+        <translation>&lt;p&gt;OpenHantek6022 está procurando por dispositivos compatíveis ...&lt;/p&gt;&lt;p&gt;&lt;img align=&apos;right&apos; height=&apos;150&apos; src=&apos;:/switch_6022BL.png&apos;&gt;Não esqueça de mudar seu dispositivo no modo osciloscópio se ele tiver vários modos.&lt;/p&gt;</translation>
     </message>
     <message>
         <source>&lt;p&gt;&lt;br/&gt;&lt;b&gt;The device is ready for use.&lt;/b&gt;&lt;/p&gt;&lt;p&gt;Please observe the &lt;a href=&apos;https://github.com/OpenHantek/OpenHantek6022/blob/main/docs/OpenHantek6022_User_Manual.pdf&apos;&gt;user manual&lt;/a&gt; for safe operation.&lt;/p&gt;</source>
@@ -2330,16 +2330,16 @@
     </message>
     <message>
         <source>&lt;p&gt;Visit the build and run instruction &lt;a href=&apos;https://github.com/OpenHantek/OpenHantek6022/blob/master/docs/build.md&apos;&gt;website&lt;/a&gt; for help.&lt;/p&gt;</source>
-        <translation type="vanished">&lt;p&gt;Visita a instrução de compilação e execução &lt;a href=&apos;https://github.com/OpenHantek/OpenHantek6022/blob/master/docs/build.md&apos;&gt;website&lt;/a&gt; para ajuda.&lt;/p&gt;</translation>
+        <translation type="vanished">&lt;p&gt;Visite a instrução de compilação e execução &lt;a href=&apos;https://github.com/OpenHantek/OpenHantek6022/blob/master/docs/build.md&apos;&gt;website&lt;/a&gt; para ajuda.&lt;/p&gt;</translation>
     </message>
     <message>
         <location filename="../src/selectdevice/selectsupporteddevice.cpp" line="81"/>
         <source>&lt;hr/&gt;&lt;p&gt;Even without a device you can explore the program&apos;s function. Just press the &lt;b&gt;Demo Mode&lt;/b&gt; button below.&lt;/p&gt;</source>
-        <translation>&lt;hr/&gt;&lt;p&gt;Even sem um dispositivo você pode explorar a função do programa, basta pressionar o botão &lt;b&gt;Demo Mode&lt;/b&gt; button.&lt;/p&gt;</translation>
+        <translation>&lt;hr/&gt;&lt;p&gt;Mesmo sem um dispositivo você pode explorar as funções do programa, basta pressionar o botão &lt;b&gt;Demo Mode&lt;/b&gt;.&lt;/p&gt;</translation>
     </message>
     <message>
         <source>Can&apos;t initalize USB: %1</source>
-        <translation type="vanished">Não é possível initalizar o USB: %1</translation>
+        <translation type="vanished">Não é possível inicializar o USB: %1</translation>
     </message>
 </context>
 <context>
@@ -2352,7 +2352,7 @@
     <message>
         <location filename="../src/docks/SpectrumDock.cpp" line="50"/>
         <source>Magnitude per vertical screen division</source>
-        <translation type="unfinished"></translation>
+        <translation>Magnitude por divisão horizontal de tela</translation>
     </message>
     <message>
         <location filename="../src/docks/SpectrumDock.cpp" line="76"/>
@@ -2362,7 +2362,7 @@
     <message>
         <location filename="../src/docks/SpectrumDock.cpp" line="79"/>
         <source>Frequency range per horizontal screen division</source>
-        <translation type="unfinished"></translation>
+        <translation>Faixa de frequência por divisão horizontal de tela</translation>
     </message>
 </context>
 <context>