On the other hand, errors are more likely, and more serious, with the move counter. If a player forgets to press his clock, or an illegal move is made and corrected, or the wrong clock is started at the beginning of the game, the count can be off on one or both sides. The player furnishing the clock must be careful to correct move-count errors as they occur, lest there be big trouble at the control. The move counter can be useful even if there is only one control. Don't try this, however, with some of the non-counting modes.
Some modes indicate flag-fall by three flashing bars on the side that falls.
Then, to scroll through the options, short press the center button. To back up, long press the button. Press the center button until the digits begin to flash. Use the play buttons on each side to alter the numbers displayed, the center button to advance to the next number. When the desired times are set, long press the red center button once.