ADE TD 1800-1 Operating Manual page 34

The setting ring can be turned counter-
clockwise or clockwise.
3. Press start/stop to start the countdown.
When the set time has elapsed, beeps will
sound for one minute.
4. Press start/stop or reset to interrupt beeps,
or wait one minute for the beeps to stop
automatically. When beeping auto stop is
enabled, timing will not stop and will appear
as + time on the display.
34