To use the countdown timer
Press Dwhile in the Countdown Timer Mode to start the countdown timer.
•When the end of the countdown is reached and
•When
•The number of the current repeat (1 to 8) is shown in the lower display.
•The countdown timer measurement operation continues even if you exit the Countdown Timer Mode.
•To stop a countdown timer operation completely, first pause it (by pressing D), and then press A. This returns the countdown time to its starting value.