Default mic gain at 36 in tutorial

examples/Tutorial/Part_2_04_Microphone_Check/Part_2_04_Microphone_Check.ino

   sgtl5000_1.enable();
   sgtl5000_1.volume(0.5);
   sgtl5000_1.inputSelect(AUDIO_INPUT_MIC);
-  sgtl5000_1.micGain(32);
+  sgtl5000_1.micGain(36);
   delay(1000);
 }
 

examples/Tutorial/Part_2_05_Simple_Delay/Part_2_05_Simple_Delay.ino

   sgtl5000_1.enable();
   sgtl5000_1.volume(0.6);
   sgtl5000_1.inputSelect(AUDIO_INPUT_MIC);
-  sgtl5000_1.micGain(32);
+  sgtl5000_1.micGain(36);
   mixer1.gain(0, 0.2);
   mixer1.gain(1, 0.2);
   mixer1.gain(2, 0.2);

examples/Tutorial/Part_2_06_Feedback_Delay/Part_2_06_Feedback_Delay.ino

   sgtl5000_1.enable();
   sgtl5000_1.volume(0.55);
   sgtl5000_1.inputSelect(AUDIO_INPUT_MIC);
-  sgtl5000_1.micGain(32);
+  sgtl5000_1.micGain(36);
   mixer1.gain(0, 0.5);
   mixer1.gain(3, 0.7);
   delay1.delay(0, 400);