void eins(void){						//Drehmomentebene
	verz(10);
	unsigned char ebene2 = 0;
	unsigned char merkerzeile = 1;
	unsigned char haltevar = 0;
	int reihe[3];						//wertearray
	int faktor[4];						//wertearray
	char areihe[1];					//ausgabestring
	char afaktor[4];					//ausgabestring
	char amoment[4];					//ausgabestring
	reihe[0] = 1;
	reihe[1] = 2;
	reihe[2] = 5;
	faktor[0] = 1;
	faktor[1] = 10;
	faktor[2] = 100;
	faktor[3] = 1000;
	LCD_Clr();
	verz(8);
	LCD_WritePosString(0, 0, "Moment_einst.", 1);			//"Grundbild" schreiben
	LCD_WritePosString(1, 1, "Reihe:", 1);
	itoa(reihe[wahlreihe],areihe, 10);
	LCD_WritePosString(1, 13, areihe, 1);
	LCD_WritePosString(2, 1, "Faktor:", 1);
	itoa(faktor[wahlfaktor], afaktor, 10);
	LCD_WritePosString(2, 13, afaktor, 1);
	LCD_WritePosString(3, 1, "Moment:", 1);
	moment = reihe[wahlreihe]*faktor[wahlfaktor];
	itoa(moment, amoment, 10);
	LCD_WritePosString(3, 13, amoment, 1);
	LCD_WritePosString(3, 18, "Nm",1);
	LCD_WritePosString(merkerzeile, 19, "#", 1);
	
	while ( ebene2 != 1 ){
	
		if (PIND &(1 << PD2)){ 					//Menue- Taste gedrückt -> zurück ins Hauptmenü
				ebene2 = 1;
				verz(6);
				LCD_Clr();
			}
		
		if (PIND &(1 << PD3)){						//hoch -> Merker wandert
			LCD_ClrLineXY(merkerzeile, 18, 19);
			merkerzeile += 1;
			if ( merkerzeile == 3)
				{
				merkerzeile = 1;
				}
			LCD_WritePosString(merkerzeile, 19, "#", 1);
			verz(6);
			}
		
		if (PIND &(1 << PD4)){						//runter -> Merker wandert
			LCD_ClrLineXY(merkerzeile, 18, 19);
			if ( merkerzeile == 1)
				{
				merkerzeile = 3;
				}
			merkerzeile -= 1;
			LCD_WritePosString(merkerzeile, 19, "#", 1);
			verz(6);
			}
		
		if (PIND &(1 << PD5)){						// OK-Button -> Wert Markieren
				verz(8);					
	
			if (merkerzeile == 1) {				// Reihe -> Wert ändern
				LCD_ClrLineXY(merkerzeile, 18, 19);
				LCD_WritePosString(merkerzeile, 19, "*", 1);
				verz(8);
						
				while ( haltevar !=1 ){
										
					if (PIND &(1 << PD3)){			//hoch -> ++
						if (wahlreihe == 2){
							wahlreihe = 0;
						}
						else{
							wahlreihe ++;
						}
						itoa(reihe[wahlreihe],areihe, 10);
						LCD_WritePosString(1, 13, areihe, 1);
						LCD_WritePosString(merkerzeile, 19, "*", 1);
						moment = reihe[wahlreihe]*faktor[wahlfaktor];
						itoa(moment, amoment, 10);
						LCD_WritePosString(3, 13, amoment, 1);
						LCD_WritePosString(3, 18, "Nm",1);
						verz(6);
					}
		
					if (PIND &(1 << PD4)){		//runter -> --
						if (wahlreihe == 0){
							wahlreihe = 2;
						}
						else{
							wahlreihe --;
						}
						itoa(reihe[wahlreihe],areihe, 10);
						LCD_WritePosString(1, 13, areihe, 1);
						LCD_WritePosString(merkerzeile, 19, "*", 1);
						moment = reihe[wahlreihe]*faktor[wahlfaktor];
						itoa(moment, amoment, 10);
						LCD_WritePosString(3, 13, amoment, 1);
						LCD_WritePosString(3, 18, "Nm",1);
						verz(6);
					}
					
					if (PIND &(1 << PD5)){		//OK-Button -> bestätigen, Auswahl von faktor/reihe möglich
						haltevar = 1;
						verz(6);
						LCD_ClrLineXY(merkerzeile, 18, 19);
						LCD_WritePosString(merkerzeile, 19, "#", 1);
					}
				}
				haltevar = 0;
				LCD_ClrLineXY(merkerzeile, 18, 19);
				LCD_WritePosString(merkerzeile, 19, "#", 1);	
			}
			
			if (merkerzeile == 2) {						//Faktor
				LCD_ClrLineXY(merkerzeile, 18, 19);
				LCD_WritePosString(merkerzeile, 19, "*", 1);
				verz(6);
						
				while ( haltevar !=1 ){
										
					if (PIND &(1 << PD3)){			//hoch
						if (wahlfaktor == 3){
							wahlfaktor = 0;
						}
						else{
							wahlfaktor +=1;
						}
						itoa(faktor[wahlfaktor],afaktor, 10);
						LCD_WritePosString(2, 13, afaktor, 1);
						LCD_WritePosString(merkerzeile, 19, "*", 1);
						moment = reihe[wahlreihe]*faktor[wahlfaktor];
						itoa(moment, amoment, 10);
						LCD_WritePosString(3, 13, amoment, 1);
						LCD_WritePosString(3, 18, "Nm",1);
						verz(6);
					}
		
					if (PIND &(1 << PD4)){		//runter
						if (wahlfaktor == 0){
							wahlfaktor = 3;
						}
						else{
							wahlfaktor -=1;
						}
						itoa(faktor[wahlfaktor],afaktor, 10);
						LCD_WritePosString(2, 13, afaktor, 1);
						LCD_WritePosString(merkerzeile, 19, "*", 1);
						moment = reihe[wahlreihe]*faktor[wahlfaktor];
						itoa(moment, amoment, 10);
						LCD_WritePosString(3, 13, amoment, 1);
						LCD_WritePosString(3, 18, "Nm",1);
						verz(6);
					}
					
					if (PIND &(1 << PD5)){		//OK-Button
						haltevar = 1;
						verz(6);
						LCD_ClrLineXY(merkerzeile, 18, 19);
						LCD_WritePosString(merkerzeile, 19, "#", 1);
					}
					
				}
				haltevar = 0;
				LCD_ClrLineXY(merkerzeile, 18, 19);
				LCD_WritePosString(merkerzeile, 19, "#", 1);	
			
			}
		}
	}

}