Hach-Lange DR2800 eco - Manual (Page 45)

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Standard Operations
5.4.3 Use of program timers
Some procedures do not require the use of timers. Other
procedures require several timers. These timers are
pre-programmed into each Stored Program, along with a
description of the activity to be performed during the timed period.
1. Press the Timer icon on the display.
2. Press OK to start the first timer.
The timer will count down on the screen.
3. To start the next timed activity for the Stored Program, press
the Timer icon and OK.
Note: Press Close to view the measurement screen while the timer is
running. The time will be shown left side bottom instead of the date.
Note: Press Cancel to stop the timer midway through the countdown.
Note: The Timer will beep when the end of the running time is
reached.
A general purpose timer is also available in many programs. When
the timer icon is visible, press the icon and select General Timer.
A new screen will appear. Enter the length of the timed interval and
press OK to start the timer. The timer will beep when the timed
interval ends.