  D1:
  D(2, 3, 4, 5, 6, 7, 8, 9): Keypad
  D10: progression switch (linear or f/stop) - maybe superfluous? 
- D11: Relay
- D12: Buzzer
+ D12: Relay
+ D11: Buzzer
  D13: main button (pedal/pushbutton)
  A(0, 1): Ledbar 
  A2: 7 segment display

  #endif
  say_clearprecis();
  say_time();
  eeprom_write_byte(0, MODLINDOWN);
}
void say_dds() {
  #if 0 == MYMODEL

    timer_mode = (selstatus == HIGH) ? MODFSTFREE : MODLINFREE;
    say_timermode();
  }
  
  lum = analogRead(lumpin);
  
  
  if (lum < lastlum-10 || lum > lastlum+10) { 
  
    brightness = 100*lum/1024;
    Serial7Segment.write(0x7A);  // Brightness control command
    Serial7Segment.write((byte) brightness);
    lastlum = lum;
  }

  if (running && btnhigh) {
    // shut down the relay and pause the timer
