diff --git a/MicroDexed.ino b/MicroDexed.ino
index a4ab68a..6487917 100644
--- a/MicroDexed.ino
+++ b/MicroDexed.ino
@@ -506,8 +506,10 @@ void setup()
 
     drum_mixer_r.gain(instance_id, 1.0);
     drum_mixer_l.gain(instance_id, 1.0);
+#ifdef USE_FX
     drum_reverb_send_mixer_r.gain(instance_id, 0.0);
     drum_reverb_send_mixer_l.gain(instance_id, 0.0);
+#endif
   }
 #endif
 
@@ -832,9 +834,10 @@ void handleNoteOn(byte inChannel, byte inNumber, byte inVelocity)
 
           drum_mixer_r.gain(slot, (1.0 - pan) * pseudo_log_curve(mapfloat(inVelocity, 0, 127, drum_config[d].vol_min, drum_config[d].vol_max)));
           drum_mixer_l.gain(slot, (pan) * pseudo_log_curve(mapfloat(inVelocity, 0, 127, drum_config[d].vol_min, drum_config[d].vol_max)));
+#ifdef USE_FX
           drum_reverb_send_mixer_r.gain(slot, (1.0 - pan) * pseudo_log_curve(drum_config[d].reverb_send));
           drum_reverb_send_mixer_l.gain(slot, pan * pseudo_log_curve(drum_config[d].reverb_send));
-
+#endif
           if (drum_config[d].drum_data != NULL)
             Drum[slot]->play(drum_config[d].drum_data);
 
diff --git a/UI.hpp b/UI.hpp
index 1a40a90..3a7b6a6 100644
--- a/UI.hpp
+++ b/UI.hpp
@@ -257,7 +257,6 @@ void UI_func_reverb_send(uint8_t param);
 void UI_func_filter_cutoff(uint8_t param);
 void UI_func_filter_resonance(uint8_t param);
 void UI_func_drum_reverb_send(uint8_t param);
-void UI_func_drum_midi_channel(uint8_t param);
 #endif
 void UI_func_transpose(uint8_t param);
 void UI_func_tune(uint8_t param);
@@ -304,6 +303,7 @@ void UI_func_seq_display_style(uint8_t param);
 void UI_func_seq_state_load(uint8_t param);
 void UI_func_seq_state_save(uint8_t param);
 void UI_func_volume(uint8_t param);
+void UI_func_drum_midi_channel(uint8_t param);
 void UI_func_load_performance(uint8_t param);
 void UI_func_save_performance(uint8_t param);
 void UI_func_load_voiceconfig(uint8_t param);
@@ -4307,6 +4307,7 @@ void UI_func_seq_tempo(uint8_t param)
     lcd.setCursor(11, 1);
     sprintf(tmp, "%3d", seq_tempo_ms / 1000);
     lcd.print(tmp);
+#ifdef USE_FX
     for (uint8_t i = 0; i < MAX_DEXED; i++)
     {
       if (configuration.fx.delay_sync[i] > 0)
@@ -4315,6 +4316,7 @@ void UI_func_seq_tempo(uint8_t param)
         delay_fx[i]->delay(0, constrain(midi_sync_delay_time, DELAY_TIME_MIN, DELAY_TIME_MAX * 10));
       }
     }
+#endif
     //timer1.stop();
     timer1.begin(sequencer, seq_tempo_ms / 2);
   }
@@ -6635,6 +6637,7 @@ void UI_func_load_voiceconfig(uint8_t param)
 #if NUM_DEXED > 1
   static int8_t selected_instance_id;
 #else
+  char tmp[4];
   uint8_t selected_instance_id = 0;
 #endif
 
@@ -6739,6 +6742,7 @@ void UI_func_save_voiceconfig(uint8_t param)
 #if NUM_DEXED > 1
   static int8_t selected_instance_id;
 #else
+  char tmp[5];
   uint8_t selected_instance_id = 0;
 #endif
 
@@ -8541,6 +8545,7 @@ void lcd_special_chars(uint8_t mode)
   }
 }
 
+#ifdef USE_FX
 void lcd_display_delay_sync(uint8_t sync)
 {
   lcd.show(0, 0, LCD_cols - 2, "Delay Sync");
@@ -8596,6 +8601,7 @@ void lcd_display_delay_sync(uint8_t sync)
   }
   lcd.show(1, 15, 1, "!");
 }
+#endif
 
 void eeprom_update_var(uint16_t pos, uint8_t val, const char* val_string)
 {
diff --git a/UI_FX.h b/UI_FX.h
index 51751c8..bd3cef8 100644
--- a/UI_FX.h
+++ b/UI_FX.h
@@ -90,58 +90,58 @@ LCDML_add(56, LCDML_0_1, 5, "Setup", NULL);
 LCDML_add(57, LCDML_0_1_5, 1, "Portamento", NULL);
 LCDML_add(58, LCDML_0_1_5_1, 1, "Port. Mode", UI_func_portamento_mode);
 LCDML_add(59, LCDML_0_1_5_1, 2, "Port. Gliss", UI_func_portamento_glissando);
-LCDML_add(50, LCDML_0_1_5_1, 3, "Port. Time", UI_func_portamento_time);
-LCDML_add(60, LCDML_0_1_5, 2, "Polyphony", UI_func_polyphony);
-LCDML_add(61, LCDML_0_1_5, 3, "Transpose", UI_func_transpose);
-LCDML_add(62, LCDML_0_1_5, 4, "Fine Tune", UI_func_tune);
-LCDML_add(63, LCDML_0_1_5, 5, "Mono/Poly", UI_func_mono_poly);
-LCDML_add(64, LCDML_0_1, 6, "Internal", NULL);
-LCDML_add(65, LCDML_0_1_6, 1, "Note Refresh", UI_func_note_refresh);
-LCDML_add(66, LCDML_0_1_6, 2, "Velocity Lvl", UI_func_velocity_level);
-LCDML_add(67, LCDML_0_1, 7, "Operator", UI_handle_OP);
-LCDML_add(68, LCDML_0_1, 8, "Save Voice", UI_func_save_voice);
-LCDML_add(69, LCDML_0, 3, "Load/Save", NULL);
-LCDML_add(70, LCDML_0_3, 1, "Performance", NULL);
-LCDML_add(71, LCDML_0_3_1, 1, "Load Perf.", UI_func_load_performance);
-LCDML_add(72, LCDML_0_3_1, 2, "Save Perf.", UI_func_save_performance);
-LCDML_add(73, LCDML_0_3, 2, "Voice Config", NULL);
-LCDML_add(74, LCDML_0_3_2, 1, "Load Voice Cfg", UI_func_load_voiceconfig);
-LCDML_add(75, LCDML_0_3_2, 2, "Save Voice Cfg", UI_func_save_voiceconfig);
-LCDML_add(76, LCDML_0_3, 3, "Effects", NULL);
-LCDML_add(77, LCDML_0_3_3, 1, "Load Effects", UI_func_load_fx);
-LCDML_add(78, LCDML_0_3_3, 2, "Save Effects", UI_func_save_fx);
-LCDML_add(79, LCDML_0_3, 5, "MIDI", NULL);
-LCDML_add(80, LCDML_0_3_5, 1, "MIDI Recv Bank", UI_func_sysex_receive_bank);
-LCDML_add(81, LCDML_0_3_5, 2, "MIDI Snd Bank", UI_func_sysex_send_bank);
-LCDML_add(82, LCDML_0_3_5, 3, "MIDI Snd Voice", UI_func_sysex_send_voice);
-LCDML_add(83, LCDML_0, 4, "Drums", NULL);
-LCDML_add(84, LCDML_0_4, 1, "Drums Main Vol", UI_func_drum_main_volume);
-LCDML_add(85, LCDML_0_4, 2, "Drum Volumes", UI_func_drum_volume);
-LCDML_add(86, LCDML_0_4, 3, "Drum Pan", UI_func_drum_pan);
-LCDML_add(87, LCDML_0_4, 4, "Drum Rev.Send", UI_func_drum_reverb_send);
-LCDML_add(88, LCDML_0_4, 5, "MIDI Channel", UI_func_drum_midi_channel);
-LCDML_add(89, LCDML_0, 5, "Sequencer", NULL);
-LCDML_add(90, LCDML_0_5, 1, "Sequencer", UI_func_sequencer);
-LCDML_add(91, LCDML_0_5, 2, "Vel./Chrd Edit", UI_func_seq_vel_editor);
-LCDML_add(92, LCDML_0_5, 3, "Pattern Chain", UI_func_seq_pat_chain);
-LCDML_add(93, LCDML_0_5, 4, "Arpeggio", UI_func_arpeggio);
-LCDML_add(94, LCDML_0_5, 5, "Seq. Settings", NULL);
-LCDML_add(95, LCDML_0_5_5, 1, "Tempo", UI_func_seq_tempo);
-LCDML_add(96, LCDML_0_5_5, 2, "Seq. Length", UI_func_seq_lenght);
-LCDML_add(97, LCDML_0_5_5, 3, "Track Setup", UI_func_seq_track_setup);
-LCDML_add(98, LCDML_0_5_5, 4, "Seq.Disp.Style", UI_func_seq_display_style);
-LCDML_add(99, LCDML_0_5_5, 5, "dexed assign", UI_func_dexed_assign);
-LCDML_add(100, LCDML_0_5_5, 6, "shift&transp.", UI_func_arp_shift);
-LCDML_add(101, LCDML_0_5_5, 8, "ChordTrack Keys", UI_func_seq_chord_keys_ammount);
-LCDML_add(102, LCDML_0_5_5, 6, "L.Transp.Key", UI_func_seq_live_transpose_oct);
-LCDML_add(103, LCDML_0_5, 6, "LOAD Seq.Data", UI_func_seq_state_load);
-LCDML_add(104, LCDML_0_5, 7, "SAVE Seq.Data", UI_func_seq_state_save);
-LCDML_add(105, LCDML_0, 6, "System", NULL);
-LCDML_add(106, LCDML_0_6, 1, "Stereo/Mono", UI_func_stereo_mono);
-LCDML_add(107, LCDML_0_6, 2, "MIDI Soft THRU", UI_func_midi_soft_thru);
-LCDML_add(108, LCDML_0_6, 3, "Favorites", UI_func_favorites);
-LCDML_add(109, LCDML_0_6, 4, "EEPROM Reset", UI_func_eeprom_reset);
-LCDML_add(110, LCDML_0, 7, "Info", UI_func_information);
-LCDML_addAdvanced(111, LCDML_0, 8, COND_hide, "Volume", UI_func_volume, 0, _LCDML_TYPE_default);
-#define _LCDML_DISP_cnt 111
+LCDML_add(60, LCDML_0_1_5_1, 3, "Port. Time", UI_func_portamento_time);
+LCDML_add(61, LCDML_0_1_5, 2, "Polyphony", UI_func_polyphony);
+LCDML_add(62, LCDML_0_1_5, 3, "Transpose", UI_func_transpose);
+LCDML_add(63, LCDML_0_1_5, 4, "Fine Tune", UI_func_tune);
+LCDML_add(64, LCDML_0_1_5, 5, "Mono/Poly", UI_func_mono_poly);
+LCDML_add(65, LCDML_0_1, 6, "Internal", NULL);
+LCDML_add(66, LCDML_0_1_6, 1, "Note Refresh", UI_func_note_refresh);
+LCDML_add(67, LCDML_0_1_6, 2, "Velocity Lvl", UI_func_velocity_level);
+LCDML_add(68, LCDML_0_1, 7, "Operator", UI_handle_OP);
+LCDML_add(69, LCDML_0_1, 8, "Save Voice", UI_func_save_voice);
+LCDML_add(70, LCDML_0, 3, "Load/Save", NULL);
+LCDML_add(71, LCDML_0_3, 1, "Performance", NULL);
+LCDML_add(72, LCDML_0_3_1, 1, "Load Perf.", UI_func_load_performance);
+LCDML_add(73, LCDML_0_3_1, 2, "Save Perf.", UI_func_save_performance);
+LCDML_add(74, LCDML_0_3, 2, "Voice Config", NULL);
+LCDML_add(75, LCDML_0_3_2, 1, "Load Voice Cfg", UI_func_load_voiceconfig);
+LCDML_add(76, LCDML_0_3_2, 2, "Save Voice Cfg", UI_func_save_voiceconfig);
+LCDML_add(77, LCDML_0_3, 3, "Effects", NULL);
+LCDML_add(78, LCDML_0_3_3, 1, "Load Effects", UI_func_load_fx);
+LCDML_add(79, LCDML_0_3_3, 2, "Save Effects", UI_func_save_fx);
+LCDML_add(80, LCDML_0_3, 5, "MIDI", NULL);
+LCDML_add(81, LCDML_0_3_5, 1, "MIDI Recv Bank", UI_func_sysex_receive_bank);
+LCDML_add(82, LCDML_0_3_5, 2, "MIDI Snd Bank", UI_func_sysex_send_bank);
+LCDML_add(83, LCDML_0_3_5, 3, "MIDI Snd Voice", UI_func_sysex_send_voice);
+LCDML_add(84, LCDML_0, 4, "Drums", NULL);
+LCDML_add(85, LCDML_0_4, 1, "Drums Main Vol", UI_func_drums_main_volume);
+LCDML_add(86, LCDML_0_4, 2, "Drum Volumes", UI_func_drum_volume);
+LCDML_add(87, LCDML_0_4, 3, "Drum Pan", UI_func_drum_pan);
+LCDML_add(88, LCDML_0_4, 4, "Drum Rev.Send", UI_func_drum_reverb_send);
+LCDML_add(89, LCDML_0_4, 5, "MIDI Channel", UI_func_drum_midi_channel);
+LCDML_add(90, LCDML_0, 5, "Sequencer", NULL);
+LCDML_add(91, LCDML_0_5, 1, "Sequencer", UI_func_sequencer);
+LCDML_add(92, LCDML_0_5, 2, "Vel./Chrd Edit", UI_func_seq_vel_editor);
+LCDML_add(93, LCDML_0_5, 3, "Pattern Chain", UI_func_seq_pat_chain);
+LCDML_add(94, LCDML_0_5, 4, "Arpeggio", UI_func_arpeggio);
+LCDML_add(95, LCDML_0_5, 5, "Seq. Settings", NULL);
+LCDML_add(96, LCDML_0_5_5, 1, "Tempo", UI_func_seq_tempo);
+LCDML_add(97, LCDML_0_5_5, 2, "Seq. Length", UI_func_seq_lenght);
+LCDML_add(98, LCDML_0_5_5, 3, "Track Setup", UI_func_seq_track_setup);
+LCDML_add(99, LCDML_0_5_5, 4, "Seq.Disp.Style", UI_func_seq_display_style);
+LCDML_add(100, LCDML_0_5_5, 5, "dexed assign", UI_func_dexed_assign);
+LCDML_add(101, LCDML_0_5_5, 6, "shift&transp.", UI_func_arp_shift);
+LCDML_add(102, LCDML_0_5_5, 7, "ChordTrack Keys", UI_func_seq_chord_keys_ammount);
+LCDML_add(103, LCDML_0_5_5, 8, "L.Transp.Key", UI_func_seq_live_transpose_oct);
+LCDML_add(104, LCDML_0_5, 6, "LOAD Seq.Data", UI_func_seq_state_load);
+LCDML_add(105, LCDML_0_5, 7, "SAVE Seq.Data", UI_func_seq_state_save);
+LCDML_add(106, LCDML_0, 6, "System", NULL);
+LCDML_add(107, LCDML_0_6, 1, "Stereo/Mono", UI_func_stereo_mono);
+LCDML_add(108, LCDML_0_6, 2, "MIDI Soft THRU", UI_func_midi_soft_thru);
+LCDML_add(109, LCDML_0_6, 3, "Favorites", UI_func_favorites);
+LCDML_add(110, LCDML_0_6, 4, "EEPROM Reset", UI_func_eeprom_reset);
+LCDML_add(111, LCDML_0, 7, "Info", UI_func_information);
+LCDML_addAdvanced(112, LCDML_0, 8, COND_hide, "Volume", UI_func_volume, 0, _LCDML_TYPE_default);
+#define _LCDML_DISP_cnt 112
 #endif
diff --git a/UI_NO_FX.h b/UI_NO_FX.h
index fa20f11..3773492 100644
--- a/UI_NO_FX.h
+++ b/UI_NO_FX.h
@@ -89,30 +89,29 @@ LCDML_add(55, LCDML_0, 4, "Drums", NULL);
 LCDML_add(56, LCDML_0_4, 1, "Drums Main Vol", UI_func_drums_main_volume);
 LCDML_add(57, LCDML_0_4, 2, "Drum Volumes", UI_func_drum_volume);
 LCDML_add(58, LCDML_0_4, 3, "Drum Pan", UI_func_drum_pan);
-LCDML_add(59, LCDML_0_4, 4, "Drum Rev.Send", UI_func_drum_reverb_send);
-LCDML_add(60, LCDML_0_4, 5, "MIDI Channel", UI_func_drum_midi_channel);
-LCDML_add(61, LCDML_0, 5, "Sequencer", NULL);
-LCDML_add(62, LCDML_0_5, 1, "Sequencer", UI_func_sequencer);
-LCDML_add(63, LCDML_0_5, 2, "Vel./Chrd Edit", UI_func_seq_vel_editor);
-LCDML_add(64, LCDML_0_5, 3, "Pattern Chain", UI_func_seq_pat_chain);
-LCDML_add(65, LCDML_0_5, 4, "Arpeggio", UI_func_arpeggio);
-LCDML_add(66, LCDML_0_5, 5, "Seq. Settings", NULL);
-LCDML_add(67, LCDML_0_5_5, 1, "Tempo", UI_func_seq_tempo);
-LCDML_add(68, LCDML_0_5_5, 2, "Seq. Length", UI_func_seq_lenght);
-LCDML_add(69, LCDML_0_5_5, 3, "Track Setup", UI_func_seq_track_setup);
-LCDML_add(70, LCDML_0_5_5, 4, "Seq.Disp.Style", UI_func_seq_display_style);
-LCDML_add(71, LCDML_0_5_5, 5, "dexed assign", UI_func_dexed_assign);
-LCDML_add(72, LCDML_0_5_5, 6, "L.Transp.Key", UI_func_seq_live_transpose_oct);
+LCDML_add(59, LCDML_0_4, 4, "MIDI Channel", UI_func_drum_midi_channel);
+LCDML_add(60, LCDML_0, 5, "Sequencer", NULL);
+LCDML_add(61, LCDML_0_5, 1, "Sequencer", UI_func_sequencer);
+LCDML_add(62, LCDML_0_5, 2, "Vel./Chrd Edit", UI_func_seq_vel_editor);
+LCDML_add(63, LCDML_0_5, 3, "Pattern Chain", UI_func_seq_pat_chain);
+LCDML_add(64, LCDML_0_5, 4, "Arpeggio", UI_func_arpeggio);
+LCDML_add(65, LCDML_0_5, 5, "Seq. Settings", NULL);
+LCDML_add(66, LCDML_0_5_5, 1, "Tempo", UI_func_seq_tempo);
+LCDML_add(67, LCDML_0_5_5, 2, "Seq. Length", UI_func_seq_lenght);
+LCDML_add(68, LCDML_0_5_5, 3, "Track Setup", UI_func_seq_track_setup);
+LCDML_add(69, LCDML_0_5_5, 4, "Seq.Disp.Style", UI_func_seq_display_style);
+LCDML_add(70, LCDML_0_5_5, 5, "dexed assign", UI_func_dexed_assign);
+LCDML_add(71, LCDML_0_5_5, 6, "shift&transp.", UI_func_arp_shift);
+LCDML_add(72, LCDML_0_5_5, 7, "L.Transp.Key", UI_func_seq_live_transpose_oct);
 LCDML_add(73, LCDML_0_5_5, 8, "ChordTrack Keys", UI_func_seq_chord_keys_ammount);
 LCDML_add(74, LCDML_0_5, 6, "LOAD Seq.Data", UI_func_seq_state_load);
 LCDML_add(75, LCDML_0_5, 7, "SAVE Seq.Data", UI_func_seq_state_save);
-LCDML_add(76, LCDML_0, 5, "System", NULL);
-LCDML_add(77, LCDML_0_5, 1, "Stereo/Mono", UI_func_stereo_mono);
-LCDML_add(78, LCDML_0_5, 2, "MIDI Soft THRU", UI_func_midi_soft_thru);
-LCDML_add(79, LCDML_0_5, 3, "Favorites", UI_func_favorites);
-LCDML_add(80, LCDML_0_5, 4, "EEPROM Reset", UI_func_eeprom_reset);
-LCDML_add(81, LCDML_0, 6, "Info", UI_func_information);
-LCDML_addAdvanced(82, LCDML_0, 5, COND_hide, "Volume", UI_func_volume, 0, _LCDML_TYPE_default);
+LCDML_add(76, LCDML_0, 6, "System", NULL);
+LCDML_add(77, LCDML_0_6, 1, "Stereo/Mono", UI_func_stereo_mono);
+LCDML_add(78, LCDML_0_6, 2, "MIDI Soft THRU", UI_func_midi_soft_thru);
+LCDML_add(79, LCDML_0_6, 3, "Favorites", UI_func_favorites);
+LCDML_add(80, LCDML_0_6, 4, "EEPROM Reset", UI_func_eeprom_reset);
+LCDML_add(81, LCDML_0, 7, "Info", UI_func_information);
+LCDML_addAdvanced(82, LCDML_0, 8, COND_hide, "Volume", UI_func_volume, 0, _LCDML_TYPE_default);
 #define _LCDML_DISP_cnt 82
-
 #endif
diff --git a/dexed_sd.cpp b/dexed_sd.cpp
index eae3c84..fd0ac60 100644
--- a/dexed_sd.cpp
+++ b/dexed_sd.cpp
@@ -1165,7 +1165,7 @@ bool load_sd_seq_json(uint8_t seq_number)
 
         AudioNoInterrupts();
 
-        for (uint8_t i = 0; i < MAX_DEXED; i++)
+        for (uint8_t i = 0; i < NUM_DEXED; i++)
         { configuration.performance.bank[i] = data_json["bank"][i];
           configuration.performance.voice[i] = data_json["voice"][i];
           load_sd_voice(configuration.performance.bank[i], configuration.performance.voice[i], i);