diff --git a/firmware/application/Makefile b/firmware/application/Makefile
index 2e5bb800..a7efa837 100755
--- a/firmware/application/Makefile
+++ b/firmware/application/Makefile
@@ -172,6 +172,7 @@ CPPSRC = main.cpp \
          ui_spectrum.cpp \
          ui_loadmodule.cpp \
          ui_afskrx.cpp \
+         ui_afsksetup.cpp \
          ui_sigfrx.cpp \
          ui_xylos.cpp \
          ui_numbers.cpp \
@@ -246,7 +247,7 @@ INCDIR = ../common $(PORTINC) $(KERNINC) $(TESTINC) \
 MCU  = cortex-m0
 
 #TRGT = arm-elf-
-TRGT = arm-none-eabi-
+TRGT = /usr/local/gcc-arm-none-eabi-5_2-2015q4/bin/arm-none-eabi-
 CC   = $(TRGT)gcc
 CPPC = $(TRGT)g++
 # Enable loading with g++ only if you need C++ runtime support.
diff --git a/firmware/application/portapack.cpp b/firmware/application/portapack.cpp
index c185962c..8f107c3c 100644
--- a/firmware/application/portapack.cpp
+++ b/firmware/application/portapack.cpp
@@ -65,11 +65,7 @@ ReceiverModel receiver_model;
 
 TemperatureLogger temperature_logger;
 
-TemperatureLogger temperature_logger;
-
-TransmitterModel transmitter_model {
-	clock_manager
-};
+TransmitterModel transmitter_model;
 
 uint8_t bl_tick_counter = 0;
 
diff --git a/firmware/application/transmitter_model.hpp b/firmware/application/transmitter_model.hpp
index f941e294..43a385ed 100644
--- a/firmware/application/transmitter_model.hpp
+++ b/firmware/application/transmitter_model.hpp
@@ -34,8 +34,7 @@
 class TransmitterModel {
 public:
 	constexpr TransmitterModel(
-		ClockManager& clock_manager
-	) : clock_manager(clock_manager)
+	)
 	{
 	}
 	
@@ -77,7 +76,6 @@ private:
 		.sampling_rate = 2280000,
 		.decimation_factor = 1,
 	};
-	ClockManager& clock_manager;
 
 	int32_t tuning_offset();
 
diff --git a/firmware/application/ui_afsksetup.cpp b/firmware/application/ui_afsksetup.cpp
index e445b344..334f4425 100644
--- a/firmware/application/ui_afsksetup.cpp
+++ b/firmware/application/ui_afsksetup.cpp
@@ -29,6 +29,7 @@
 #include "hackrf_gpio.hpp"
 #include "portapack.hpp"
 #include "radio.hpp"
+#include "string_format.hpp"
 
 #include "hackrf_hal.hpp"
 #include "portapack_shared_memory.hpp"
@@ -37,7 +38,7 @@
 #include <cstring>
 #include <stdio.h>
 
-using namespace hackrf::one;
+using namespace portapack;
 
 namespace ui {
 
@@ -103,7 +104,7 @@ AFSKSetupView::AFSKSetupView(
 	field_repeat.set_value(rpt);
 	
 	button_setfreq.on_select = [this,&nav](Button&){
-		auto new_view = new FrequencyKeypadView { nav, this->transmitter_model.tuning_frequency() };
+		auto new_view = new FrequencyKeypadView { nav, transmitter_model.tuning_frequency() };
 		new_view->on_changed = [this](rf::Frequency f) {
 			updfreq(f);
 		};
diff --git a/firmware/application/ui_afsksetup.hpp b/firmware/application/ui_afsksetup.hpp
index 0862d518..6b4d7e71 100644
--- a/firmware/application/ui_afsksetup.hpp
+++ b/firmware/application/ui_afsksetup.hpp
@@ -107,14 +107,17 @@ private:
 	
 	Checkbox checkbox_lsb {
 		{ 8, 150 },
+		9,
 		"LSB first"
 	};
 	Checkbox checkbox_parity {
 		{ 8, 180 },
+		11,
 		"Even parity"
 	};
 	Checkbox checkbox_datasize {
 		{ 8, 210 },
+		6,
 		"8 bits"
 	};
 	
diff --git a/firmware/application/ui_jammer.hpp b/firmware/application/ui_jammer.hpp
index ac30ce01..9edbf155 100644
--- a/firmware/application/ui_jammer.hpp
+++ b/firmware/application/ui_jammer.hpp
@@ -191,14 +191,17 @@ private:
 	
 	Checkbox checkbox_range1 {
 		{ 1 * 8, 6 * 16},
+		7,
 		"Range 1"
 	};
 	Checkbox checkbox_range2 {
 		{ 1 * 8, 9 * 16 + 4},
+		7,
 		"Range 2"
 	};
 	Checkbox checkbox_range3 {
 		{ 1 * 8, 12 * 16 + 8 },
+		7,
 		"Range 3"
 	};
 	
diff --git a/firmware/application/ui_lcr.hpp b/firmware/application/ui_lcr.hpp
index 76543c64..9a83b336 100644
--- a/firmware/application/ui_lcr.hpp
+++ b/firmware/application/ui_lcr.hpp
@@ -85,6 +85,7 @@ private:
 	
 	Checkbox checkbox_am_a {
 		{ 16, 68 },
+		20,
 		""
 	};
 	Button button_setam_a {
@@ -93,6 +94,7 @@ private:
 	};
 	Checkbox checkbox_am_b {
 		{ 16, 68+40 },
+		20,
 		""
 	};
 	Button button_setam_b {
@@ -101,7 +103,8 @@ private:
 	};
 	Checkbox checkbox_am_c {
 		{ 16, 68+40+40 },
-		""
+		20,
+		" "
 	};
 	Button button_setam_c {
 		{ 48, 64+40+40, 48, 32 },
@@ -109,6 +112,7 @@ private:
 	};
 	Checkbox checkbox_am_d {
 		{ 16, 68+40+40+40 },
+		20,
 		""
 	};
 	Button button_setam_d {
@@ -117,6 +121,7 @@ private:
 	};
 	Checkbox checkbox_am_e {
 		{ 16, 68+40+40+40+40 },
+		20,
 		""
 	};
 	Button button_setam_e {
diff --git a/firmware/application/ui_navigation.cpp b/firmware/application/ui_navigation.cpp
index cbd3d572..103a3505 100644
--- a/firmware/application/ui_navigation.cpp
+++ b/firmware/application/ui_navigation.cpp
@@ -163,7 +163,7 @@ TranspondersMenuView::TranspondersMenuView(NavigationView& nav) {
 
 ReceiverMenuView::ReceiverMenuView(NavigationView& nav) {
 	add_items<2>({ {
-		{ "Audio",        ui::Color::white(), [&nav](){ nav.push<ReceiverView>(); } },
+		{ "Audio",        ui::Color::white(), [&nav](){ nav.push<AnalogAudioView>(); } },
 		{ "Transponders", ui::Color::white(), [&nav](){ nav.push<TranspondersMenuView>(); } },
 	} });
 }
@@ -270,6 +270,29 @@ HackRFFirmwareView::HackRFFirmwareView(NavigationView& nav) {
 	} });
 }
 
+/* ***********************************************************************/
+
+void BMPView::focus() {
+	button_done.focus();
+}
+
+BMPView::BMPView(NavigationView& nav) {
+	add_children({ {
+		&text_info,
+		&button_done
+	} });
+	
+	button_done.on_select = [this,&nav](Button&){
+		nav.pop();
+		nav.push(new SystemMenuView { nav });
+	};
+}
+
+void BMPView::paint(Painter& painter) {
+	(void)painter;
+	portapack::display.drawBMP({(240-185)/2, 0}, splash_bmp);
+}
+
 /* PlayDeadView **********************************************************/
 
 void PlayDeadView::focus() {
diff --git a/firmware/application/ui_setup.cpp b/firmware/application/ui_setup.cpp
index 641be01b..abb0a3c7 100644
--- a/firmware/application/ui_setup.cpp
+++ b/firmware/application/ui_setup.cpp
@@ -170,19 +170,18 @@ void AntennaBiasSetupView::focus() {
 	button_done.focus();
 }
 
-AboutView::AboutView(NavigationView& nav) {
-	add_children({ {
+SetTouchCalibView::SetTouchCalibView(NavigationView& nav) {
+	add_children({{
 		&text_title,
-		&text_firmware,
-		&text_cpld_hackrf,
-		&text_cpld_portapack,
-		&button_ok,
-	} });
+		&text_debugx,
+		&text_debugy,
+		&button_ok
+		}});
 
 	button_ok.on_select = [&nav](Button&){ nav.pop(); };
 }
 
-void AboutView::focus() {
+void SetTouchCalibView::focus() {
 	button_ok.focus();
 }
 
diff --git a/firmware/application/ui_setup.hpp b/firmware/application/ui_setup.hpp
index 9f650b43..0d25baeb 100644
--- a/firmware/application/ui_setup.hpp
+++ b/firmware/application/ui_setup.hpp
@@ -261,11 +261,13 @@ public:
 private:
 	Checkbox checkbox_showsplash {
 		{ 3 * 8, 2 * 16},
+		11,
 		"Show splash"
 	};
 	
 	Checkbox checkbox_bloff {
 		{ 3 * 8, 4 * 16},
+		20,
 		"Backlight off after:"
 	};
 
diff --git a/firmware/application/ui_whistle.hpp b/firmware/application/ui_whistle.hpp
index 94b0215c..f2d8d1ee 100644
--- a/firmware/application/ui_whistle.hpp
+++ b/firmware/application/ui_whistle.hpp
@@ -74,6 +74,7 @@ private:
 	
 	Checkbox checkbox_am_a {
 		{ 16, 68 },
+		20,
 		""
 	};
 	
diff --git a/firmware/application/ui_xylos.hpp b/firmware/application/ui_xylos.hpp
index 37fd8fb7..586dbb54 100644
--- a/firmware/application/ui_xylos.hpp
+++ b/firmware/application/ui_xylos.hpp
@@ -230,6 +230,7 @@ private:
 	};
 	Checkbox checkbox_wcsubfamily {
 		{ 20 * 8, 5 * 16},
+		6,
 		"Toutes"
 	};
 	
@@ -246,6 +247,7 @@ private:
 	};
 	Checkbox checkbox_wcid {
 		{ 20 * 8, 7 * 16 + 4},
+		4,
 		"Tous"
 	};
 	
@@ -323,6 +325,7 @@ private:
 	
 	Checkbox checkbox_cligno {
 		{ 96, 16 * 16 + 4},
+		3,
 		"J/N"
 	};
 	
diff --git a/firmware/baseband-tx.bin b/firmware/baseband-tx.bin
index 226a8ead..90778ae5 100644
Binary files a/firmware/baseband-tx.bin and b/firmware/baseband-tx.bin differ
diff --git a/firmware/baseband-tx/Makefile b/firmware/baseband-tx/Makefile
index 8ce24acb..4f92b720 100755
--- a/firmware/baseband-tx/Makefile
+++ b/firmware/baseband-tx/Makefile
@@ -201,7 +201,7 @@ INCDIR = ../common $(PORTINC) $(KERNINC) $(TESTINC) \
 MCU  = cortex-m4
 
 #TRGT = arm-elf-
-TRGT = arm-none-eabi-
+TRGT = /usr/local/gcc-arm-none-eabi-5_2-2015q4/bin/arm-none-eabi-
 CC   = $(TRGT)gcc
 CPPC = $(TRGT)g++
 # Enable loading with g++ only if you need C++ runtime support.
diff --git a/firmware/baseband/proc_afskrx.cpp b/firmware/baseband-tx/proc_afskrx.cpp
similarity index 100%
rename from firmware/baseband/proc_afskrx.cpp
rename to firmware/baseband-tx/proc_afskrx.cpp
diff --git a/firmware/baseband/proc_afskrx.hpp b/firmware/baseband-tx/proc_afskrx.hpp
similarity index 100%
rename from firmware/baseband/proc_afskrx.hpp
rename to firmware/baseband-tx/proc_afskrx.hpp
diff --git a/firmware/baseband/proc_sigfrx.cpp b/firmware/baseband-tx/proc_sigfrx.cpp
similarity index 100%
rename from firmware/baseband/proc_sigfrx.cpp
rename to firmware/baseband-tx/proc_sigfrx.cpp
diff --git a/firmware/baseband/proc_sigfrx.hpp b/firmware/baseband-tx/proc_sigfrx.hpp
similarity index 100%
rename from firmware/baseband/proc_sigfrx.hpp
rename to firmware/baseband-tx/proc_sigfrx.hpp
diff --git a/firmware/baseband.bin b/firmware/baseband.bin
index 41e3840f..93fc07b5 100644
Binary files a/firmware/baseband.bin and b/firmware/baseband.bin differ
diff --git a/firmware/baseband/Makefile b/firmware/baseband/Makefile
index d6a2c04c..816809b6 100755
--- a/firmware/baseband/Makefile
+++ b/firmware/baseband/Makefile
@@ -1,3 +1,4 @@
+
 #
 # Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
 #
@@ -144,8 +145,6 @@ CPPSRC = main.cpp \
          proc_wideband_spectrum.cpp \
          proc_tpms.cpp \
          proc_ert.cpp \
-         proc_afskrx.cpp \
-         proc_sigfrx.cpp \
          dsp_squelch.cpp \
          clock_recovery.cpp \
          packet_builder.cpp \
@@ -204,7 +203,7 @@ INCDIR = ../common $(PORTINC) $(KERNINC) $(TESTINC) \
 MCU  = cortex-m4
 
 #TRGT = arm-elf-
-TRGT = arm-none-eabi-
+TRGT = /usr/local/gcc-arm-none-eabi-5_2-2015q4/bin/arm-none-eabi-
 CC   = $(TRGT)gcc
 CPPC = $(TRGT)g++
 # Enable loading with g++ only if you need C++ runtime support.
diff --git a/firmware/baseband/baseband_dma.hpp b/firmware/baseband/baseband_dma.hpp
index 99e32de8..cc41a751 100644
--- a/firmware/baseband/baseband_dma.hpp
+++ b/firmware/baseband/baseband_dma.hpp
@@ -45,7 +45,6 @@ bool is_enabled();
 void disable();
 
 baseband::buffer_t wait_for_rx_buffer();
-baseband::buffer_t wait_for_tx_buffer();
 
 } /* namespace dma */
 } /* namespace baseband */
diff --git a/firmware/baseband/dsp_iir.cpp b/firmware/baseband/dsp_iir.cpp
deleted file mode 100644
index 443183ba..00000000
--- a/firmware/baseband/dsp_iir.cpp
+++ /dev/null
@@ -1,57 +0,0 @@
-/*
- * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
- *
- * This file is part of PortaPack.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2, or (at your option)
- * any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; see the file COPYING.  If not, write to
- * the Free Software Foundation, Inc., 51 Franklin Street,
- * Boston, MA 02110-1301, USA.
- */
-
-#include "dsp_iir.hpp"
-
-#include <hal.h>
-
-void IIRBiquadFilter::configure(const iir_biquad_config_t& new_config) {
-	config = new_config;
-}
-
-void IIRBiquadFilter::execute(const buffer_f32_t& buffer_in, const buffer_f32_t& buffer_out) {
-	const auto a_ = config.a;
-	const auto b_ = config.b;
-	
-	auto x_ = x;
-	auto y_ = y;
-
-	// TODO: Assert that buffer_out.count == buffer_in.count.
-	for(size_t i=0; i<buffer_out.count; i++) {
-		x_[0] = x_[1];
-		x_[1] = x_[2];
-		x_[2] = buffer_in.p[i];
-
-		y_[0] = y_[1];
-		y_[1] = y_[2];
-		y_[2] = b_[0] * x_[2] + b_[1] * x_[1] + b_[2] * x_[0]
-		                      - a_[1] * y_[1] - a_[2] * y_[0];
-
-		buffer_out.p[i] = y_[2];
-	}
-
-	x = x_;
-	y = y_;
-}
-
-void IIRBiquadFilter::execute_in_place(const buffer_f32_t& buffer) {
-	execute(buffer, buffer);
-}
diff --git a/firmware/baseband/proc_nfm_audio.hpp b/firmware/baseband/proc_nfm_audio.hpp
index 3133cc28..dbae4f5f 100644
--- a/firmware/baseband/proc_nfm_audio.hpp
+++ b/firmware/baseband/proc_nfm_audio.hpp
@@ -24,7 +24,6 @@
 
 #include "baseband_processor.hpp"
 
-#include "channel_decimator.hpp"
 #include "dsp_decimate.hpp"
 #include "dsp_demodulate.hpp"
 
diff --git a/firmware/common/modules.h b/firmware/common/modules.h
index a6c9c36b..f5af7a6c 100644
--- a/firmware/common/modules.h
+++ b/firmware/common/modules.h
@@ -1,2 +1,2 @@
-const char md5_baseband[16] = {0xf8,0xf3,0x7b,0x36,0x68,0xd3,0xa1,0x85,0x26,0xb1,0x76,0x99,0x46,0x95,0xfd,0xec,};
-const char md5_baseband_tx[16] = {0xfc,0xe9,0x57,0x6b,0xfb,0xac,0x72,0x61,0x65,0x4e,0x3d,0x7f,0xb4,0x78,0xbd,0xd2,};
+const char md5_baseband[16] = {0xd1,0x3a,0x3a,0xf4,0xd4,0xdd,0x9f,0xa6,0x3d,0xdb,0xf0,0x1b,0x6a,0x11,0xa1,0xa9,};
+const char md5_baseband_tx[16] = {0x30,0x80,0xd0,0x42,0x4a,0x09,0x78,0x77,0xff,0x59,0x00,0x70,0x48,0x77,0xd5,0xc6,};
diff --git a/firmware/common/ui_widget.cpp b/firmware/common/ui_widget.cpp
index 78fcde43..d6f60650 100644
--- a/firmware/common/ui_widget.cpp
+++ b/firmware/common/ui_widget.cpp
@@ -1,5 +1,6 @@
 #include "ui_widget.hpp"
 #include "ui_painter.hpp"
+#include "portapack.hpp"
 
 #include <cstdint>
 #include <cstddef>
@@ -7,6 +8,8 @@
 
 #include "string_format.hpp"
 
+using namespace portapack;
+
 namespace ui {
 
 static bool ui_dirty = true;
@@ -298,6 +301,16 @@ void Text::paint(Painter& painter) {
 
 /* Checkbox **************************************************************/
 
+Checkbox::Checkbox(
+	Point parent_pos,
+	size_t length,
+	std::string text
+) : Widget { { parent_pos, { static_cast<ui::Dim>((8 * length) + 24), 24 } } },
+	text_ { text }
+{
+	flags.focusable = true;
+}
+
 void Checkbox::set_text(const std::string value) {
 	text_ = value;
 	set_dirty();
@@ -375,7 +388,6 @@ bool Checkbox::on_touch(const TouchEvent event) {
 		set_dirty();
 		return true;
 
-
 	case TouchEvent::Type::End:
 		flags.highlighted = false;
 		value_ = not value_;
@@ -423,7 +435,7 @@ bool Checkbox::on_touch(const TouchEvent event) {
 
 /* Button ****************************************************************/
 
- Button::Button(
+Button::Button(
 	Rect parent_rect,
 	std::string text
 ) : Widget { parent_rect },
@@ -467,6 +479,11 @@ bool Button::on_key(const KeyEvent key) {
 			on_select(*this);
 			return true;
 		}
+	} else {
+		if( on_dir ) {
+			on_dir(*this, key);
+			return false;
+		}
 	}
 
 	return false;
@@ -654,6 +671,12 @@ void OptionsField::set_by_value(value_t v) {
 	}
 }
 
+void OptionsField::set_options(options_t new_options) {
+	options = new_options;
+	set_by_value(0);
+	set_dirty();
+}
+
 void OptionsField::paint(Painter& painter) {
 	const auto paint_style = has_focus() ? style().invert() : style();
 
diff --git a/firmware/common/ui_widget.hpp b/firmware/common/ui_widget.hpp
index 80d3de46..6c2ca658 100644
--- a/firmware/common/ui_widget.hpp
+++ b/firmware/common/ui_widget.hpp
@@ -195,9 +195,33 @@ private:
 	std::string text;
 };
 
+class Checkbox : public Widget {
+public:
+	std::function<void(Checkbox&)> on_select;
+
+	Checkbox(Point parent_pos, size_t length, std::string text);
+	
+	void set_text(const std::string value);
+	void set_style(const Style* new_style);
+	std::string text() const;
+	void set_value(const bool value);
+	bool value() const;
+
+	void paint(Painter& painter) override;
+	
+	bool on_key(const KeyEvent key) override;
+	bool on_touch(const TouchEvent event) override;
+
+private:
+	std::string text_;
+	bool value_ = false;
+	const Style* style_ { nullptr };
+};
+
 class Button : public Widget {
 public:
 	std::function<void(Button&)> on_select;
+	std::function<void(Button&,KeyEvent)> on_dir;
 
 	Button(Rect parent_rect, std::string text);
 
@@ -266,6 +290,8 @@ public:
 	std::function<void(void)> on_show_options;
 
 	OptionsField(Point parent_pos, size_t length, options_t options);
+	
+	void set_options(options_t new_options);
 
 	size_t selected_index() const;
 	void set_selected_index(const size_t new_index);
diff --git a/firmware/portapack-h1-firmware.bin b/firmware/portapack-h1-firmware.bin
index 719b8ad6..633ff286 100644
Binary files a/firmware/portapack-h1-firmware.bin and b/firmware/portapack-h1-firmware.bin differ