Hach-Lange DR 6000 User Manual - Manual (Page 58)

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Standard programs
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.
2. Press OK to start the first timer.
The timer will count down on the screen.
3. Press the Timer symbol and confirm with OK to start the
next activity with predetermined time for the stored program.
Note: Press Close to view the reading screen while the timer is
running. The time will be shown on the lower left side instead of the
date.
Note: Press Cancel to stop the timer midway through the
countdown.
Note: The timer will beep when the timed interval ends.
A general purpose timer is also available in many programs. Tap
on the symbol for the timer and select General Timer. Enter the
length of the timed interval and press OK to start the timer. The
timer will beep when the timed interval ends.
5.4.4 Set the dilution factor
The Dilution Factor function is used to calculate the original
concentration of a sample that has been diluted by a known ratio.
1. Press Options > More… > Dilution Factor.
The number entered at the dilution factor prompt will be
multiplied by the result to compensate for the adjustment.
For example , if the sample has been diluted by a factor of 2,
enter 2. The default setting of the dilution factor is turned off.
2. Press OK to confirm. Press again OK.