diff --git a/app/display/fonts/__init__.py b/app/display/fonts/__init__.py
index 50890df..d57fbd7 100644
--- a/app/display/fonts/__init__.py
+++ b/app/display/fonts/__init__.py
@@ -2,6 +2,6 @@ from .font_3x5 import font_3x5
 from .font_5x7 import font_5x7
 from .font_8x8 import font_8x8
 from .font_16x16 import font_16x16
-from .fonts_utils import *
+from .fonts_utils import char_width
 
-__all__ = ['font_3x5', 'font_5x7', 'font_8x8', 'font_16x16']
+__all__ = ['font_3x5', 'font_5x7', 'font_8x8', 'font_16x16', 'char_width']
diff --git a/app/display/fonts/fonts_utils.py b/app/display/fonts/fonts_utils.py
index dc2bd5b..dc251da 100644
--- a/app/display/fonts/fonts_utils.py
+++ b/app/display/fonts/fonts_utils.py
@@ -1,5 +1,9 @@
 import app.utils as utils
 
+# FIXME: der Import klappt nicht !!!
+# from app.display.neopixel_64x64 import NeoPixel_64x64
+# from ...display.neopixel_64x64 import NeoPixel_64x64
+
 
 def char_width(char_matrix) -> int:
 	"""Berechnung der Bits für die Zeichenbreite
@@ -85,7 +89,7 @@ def align_font(font, debug=False):
 	return f'#keys: {len(font)}'
 
 
-def screen_text(text: str, font, screen_height: int, screen_width: int):
+def screen_text(text: str, display: NeoPixel_64x64):
 	"""Text für einen Screen anpassen,
 	Anzahl der Zeichen je Zeile begrenzen,
 	ebenso wird die Höhe des Screen brücksichtigt
@@ -102,17 +106,16 @@ def screen_text(text: str, font, screen_height: int, screen_width: int):
 		pixs = 0
 		visible_text = ''
 		for a in txt:
-			pixs += char_width(font[a]) + 1
-			if pixs > screen_width:
+			pixs += char_width(display.selected_font[a]) + 1
+			if pixs > display.MATRIX_WIDTH:
 				# Zeilenende erreicht
 				break
 			visible_text += a
 
 		return visible_text
 
-	f_height: int = font_height(font)
 	# Ganzzahl Division
-	max_visible_rows = screen_height // f_height
+	max_visible_rows = display.MATRIX_HEIGHT // display.font_height
 	print(f'rows_visible: {max_visible_rows}')
 
 	text_left = text
diff --git a/app/display/neopixel_64x64.py b/app/display/neopixel_64x64.py
index 625395f..0ed2c60 100644
--- a/app/display/neopixel_64x64.py
+++ b/app/display/neopixel_64x64.py
@@ -1,6 +1,6 @@
-from machine import Pin, RTC
-from neopixel import NeoPixel
-from .fonts.fonts_utils import char_width as charwidth
+from machine import Pin, RTC  # type: ignore
+from neopixel import NeoPixel  # type: ignore
+from .fonts import char_width as charwidth
 
 from .fonts.font_5x7 import font_5x7
 from ..utils.colors import GRAY, RAINBOW, BLACK, WHITE, LIME
@@ -104,7 +104,9 @@ class NeoPixel_64x64(NeoPixel):
 			[
 				# print(xpos, ypos)
 				self.set_pixel(xpos, ypos, GRAY)
-				for xpos in range(x, x + char_width)  # 8 because full with of character representation
+				for xpos in range(
+					x, x + char_width
+				)  # 8 because full with of character representation
 				for ypos in range(y, y + self.font_height)
 			]
 
@@ -149,7 +151,9 @@ class NeoPixel_64x64(NeoPixel):
 
 		self.write()
 
-	def vertical_floating_text(self, text, x, color=RAINBOW[0], float_range=3, speed=0.2, duration=10):
+	def vertical_floating_text(
+		self, text, x, color=RAINBOW[0], float_range=3, speed=0.2, duration=10
+	):
 		"""
 		Vertical floating text animation
 
@@ -180,7 +184,9 @@ class NeoPixel_64x64(NeoPixel):
 			self.write()
 			time.sleep(0.05)
 
-	def horizontal_floating_text(self, text, y, color=RAINBOW[0], float_range=3, speed=0.2, duration=10):
+	def horizontal_floating_text(
+		self, text, y, color=RAINBOW[0], float_range=3, speed=0.2, duration=10
+	):
 		"""
 		Horizontal floating text animation
 
diff --git a/app/tryout/fonts.py b/app/tryout/fonts.py
index 0086ac7..e962316 100644
--- a/app/tryout/fonts.py
+++ b/app/tryout/fonts.py
@@ -19,7 +19,7 @@ def fonts_check(display: NeoPixel_64x64, font, pretty=False) -> None:
 	text_left = alphanum
 	while text_left:
 		# Text entsprechend des Display splitten
-		scr_txt_dict = screen_text(text=text_left, screen_width=display.MATRIX_WIDTH, screen_height=display.MATRIX_HEIGHT, font=font)
+		scr_txt_dict = screen_text(text=text_left, display=display)
 		print(f'scr_txt: {scr_txt_dict}')
 
 		display.clear()
diff --git a/main.py b/main.py
index 7cc76ef..20351f3 100644
--- a/main.py
+++ b/main.py
@@ -1,4 +1,4 @@
-# from machine import Pin, ADC  # type: ignore
+from machine import Pin, ADC  # type: ignore
 from app.display.neopixel_64x64 import NeoPixel_64x64
 import app.display.fonts as fonts
 import app.utils as utils
@@ -8,6 +8,6 @@ if __name__ == '__main__':
 	display = NeoPixel_64x64()
 
 	# tryout.emojis_check(display)
-	# tryout.fonts_check(display, fonts.font_8x8, pretty=False)
+	tryout.fonts_check(display, fonts.font_8x8, pretty=False)
 	tryout.weather_check(display, test_mode=False)
 	utils.show_system_load()