// init display
 void initgraph(void)
  {
  // delay(20000);		// µC takes typ. 65ms to startup
  
  lcd_clear_rs();
  lcd_send(0x39);    // 8bits, 2 rows
  delay(10000);		 // wait for display to settle (~ 15ms)
  lcd_send(0x1C);    // bias set - 2 row lcd 
  delay(10000);		 // wait for display to settle (~ 15ms)
  lcd_send(0x52);    // booster disable (3,3V), set contrast 
  delay(10000);		 // wait for display to settle (~ 15ms)
  
  lcd_send(0x69);    // set amplification
  delay(30000);		 // wait for display to settle (~ 45ms)
  
  lcd_send(0x74);    // contrast set     
  delay(10000);		 // wait for display to settle (~ 15ms)
  //lcd_send(0x0F);    // display on, cursor blink
  lcd_send(0x0C);    // display on, cursor off
  delay(10000);		 // wait for display to settle (~ 15ms)
  lcd_send(0x01);    // clear display, cursor home
  delay(10000);		 // wait for display to settle (~ 15ms)
  lcd_send(0x06);    // cursor auto increment
  delay(10000);		 // wait for display to settle (~ 15ms)
  }