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diff --git a/doc/images/LCD_characters_green/question_mark.png b/doc/images/LCD_characters_green/question_mark.png
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diff --git a/doc/manuals/MicroDexed-User_Manual/01 ANLGSYN 1 b/doc/manuals/MicroDexed-User_Manual/01 ANLGSYN 1
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diff --git a/doc/manuals/MicroDexed-User_Manual/01%bracket_open%ANLGSYN 1 %bracket_close% b/doc/manuals/MicroDexed-User_Manual/01%bracket_open%ANLGSYN 1 %bracket_close%
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diff --git a/doc/manuals/MicroDexed-User_Manual/MicroDexed-User_Manual.md b/doc/manuals/MicroDexed-User_Manual/MicroDexed-User_Manual.md
index 7cc6dfe..67d08a4 100644
--- a/doc/manuals/MicroDexed-User_Manual/MicroDexed-User_Manual.md
+++ b/doc/manuals/MicroDexed-User_Manual/MicroDexed-User_Manual.md
@@ -399,26 +399,56 @@ Parameters:
 
 Operator enable/disable is a function often used when creating sounds. As an example, let's assume that operator 2 is disabled and we want to enable it again:
 
-The blinking cursor is on the inverse one:
+The blinking cursor is on <img src="../../images/LCD_characters_green/small_1_inv.png" width="12"/>:
 
 <center><img src="images/10_Operator_1.jpg" width="400"/></center>
 
-1. Choose Operator 2 by turning the preset encoder to the right.
+1. Choose <img src="../../images/LCD_characters_green/small_2.png" width="12"/> by turning the preset encoder to the right.
 
 <center><img src="images/10_Operator_2.jpg" width="400"/></center>
 
-1. When the blinking cursor is on position 2, push the preset encoder.
+1. When the blinking cursor is on <img src="../../images/LCD_characters_green/small_2.png" width="12"/>, push the preset encoder.
 
 <center><img src="images/10_Operator_3.jpg" width="400"/></center>
 
-Now Operator 2 is enabled:
+Now Operator <img src="../../images/LCD_characters_green/small_2_inv.png" width="12"/> is enabled:
 
 <center><img src="images/10_Operator_4.jpg" width="400"/></center>
 
-Pushing the encoder again turns the operator off. If you tunr off all operators, nothing can be heard.
+Pushing the encoder again turns the operator off (<img src="../../images/LCD_characters_green/small_2.png" width="12"/>). If you turn off all operators, nothing can be heard.
 
 #### Save voice
 
+The current voice is stored inside a bank onto SD card.
+
+1. Choose the bank.
+
+<center><img src="images/10_SaveVoice_1.jpg" width="400"/></center>
+
+2. After choosing, push the preset encoder.
+
+<center><img src="images/10_SaveVoice_2.jpg" width="400"/></center>
+
+3. Choose the slot where to store the voice.
+
+<center><img src="images/10_SaveVoice_3.jpg" width="400"/></center>
+
+4. After choosing, push the preset encoder.
+
+<center><img src="images/10_SaveVoice_4.jpg" width="400"/></center>
+
+5. Think about overwriting the selected bank/voice? If it is ok, turn the preset encoder to choose **YES**. 
+
+<center><img src="images/10_SaveVoice_5.jpg" width="400"/></center>
+
+6. If you are shure, push the preset encoder.
+
+<center><img src="images/10_SaveVoice_6.jpg" width="400"/></center>
+
+You can always abort the process by pressing the volume encoder (back):
+
+<center><img src="images/10_SaveVoice_7.jpg" width="400"/></center>
+
 <div style="page-break-after: always"></div>
 
 ### Load/Save
diff --git a/doc/manuals/MicroDexed-User_Manual/MicroDexed-User_Manual.pdf b/doc/manuals/MicroDexed-User_Manual/MicroDexed-User_Manual.pdf
index 0890b07..82a9b72 100644
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diff --git a/doc/manuals/MicroDexed-User_Manual/build.sh b/doc/manuals/MicroDexed-User_Manual/build.sh
index 2e31c81..e83ca96 100755
--- a/doc/manuals/MicroDexed-User_Manual/build.sh
+++ b/doc/manuals/MicroDexed-User_Manual/build.sh
@@ -15,6 +15,16 @@ ${LCDIMG} --baseimg Preset_Push --line1 "MIDI Send Voice" --line2 "76%bracket_op
 ${LCDIMG} --baseimg Preset_Setting --line1 "MIDI Send Voice" --line2 "02%bracket_open%F.CHORUS 2%bracket_close%" --target images/10_MIDISendVoice_3.jpg
 ${LCDIMG} --baseimg Preset_Push --line1 "MIDI Send Voice" --line2 "02%bracket_open%F.CHORUS 2%bracket_close%" --target images/10_MIDISendVoice_4.jpg
 ${LCDIMG} --line1 "OP Enable    %small_1_inv%%key%" --line2 "%small_1_inv%%small_2%%small_3_inv%%small_4_inv%%small_5_inv%%small_6_inv%" --target images/10_Operator_1.jpg
+composite -gravity NorthWest -geometry "+200+87" "../../images/Arrow_horizontal_blue_right_transparent.png" images/10_Operator_1.jpg images/10_Operator_1.jpg
 ${LCDIMG} --baseimg Preset_Setting --line1 "OP Enable    %small_1_inv%%key%" --line2 "%small_1_inv%%small_2%%small_3_inv%%small_4_inv%%small_5_inv%%small_6_inv%" --target images/10_Operator_2.jpg
+composite -gravity NorthWest -geometry "+200+87" "../../images/Arrow_horizontal_blue_right_transparent.png" images/10_Operator_2.jpg images/10_Operator_2.jpg
 ${LCDIMG} --baseimg Preset_Push --line1 "OP Enable    %small_1_inv%%key%" --line2 "%small_1_inv%%small_2%%small_3_inv%%small_4_inv%%small_5_inv%%small_6_inv%" --target images/10_Operator_3.jpg
-${LCDIMG} --line1 "OP Enable    %small_1_inv%%key%" --line2 "%small_1_inv%%small_2_inv%%small_3_inv%%small_4_inv%%small_5_inv%%small_6_inv%" --target images/10_Operator_4.jpg
\ No newline at end of file
+composite -gravity NorthWest -geometry "+313+87" "../../images/Arrow_horizontal_blue_left_transparent.png" images/10_Operator_3.jpg images/10_Operator_3.jpg
+${LCDIMG} --line1 "OP Enable    %small_1_inv%%key%" --line2 "%small_1_inv%%small_2_inv%%small_3_inv%%small_4_inv%%small_5_inv%%small_6_inv%" --target images/10_Operator_4.jpg
+${LCDIMG} --baseimg Preset_Setting --line1 "Save to Bank" --line2 "76%bracket_open%STEPH     %bracket_close%" --target images/10_SaveVoice_1.jpg
+${LCDIMG} --baseimg Preset_Push --line1 "Save to Bank" --line2 "76%bracket_open%STEPH     %bracket_close%" --target images/10_SaveVoice_2.jpg
+${LCDIMG} --baseimg Preset_Setting --line1 "Save to Bank 76" --line2 "02%bracket_open%F.CHORUS 2%bracket_close%" --target images/10_SaveVoice_3.jpg
+${LCDIMG} --baseimg Preset_Push --line1 "Save to Bank 76" --line2 "02%bracket_open%F.CHORUS 2%bracket_close%" --target images/10_SaveVoice_4.jpg
+${LCDIMG} --baseimg Preset_Setting --line1 "Overwrite%question_mark%" --line2 "%bracket_open%NO %bracket_close%" --target images/10_SaveVoice_5.jpg
+${LCDIMG} --baseimg Preset_Push --line1 "Overwrite%question_mark%" --line2 "%bracket_open%YES%bracket_close%" --target images/10_SaveVoice_6.jpg
+${LCDIMG} --baseimg Volume_Push --line1 "Overwrite%question_mark%" --line2 "Canceled" --target images/10_SaveVoice_7.jpg
\ No newline at end of file
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