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9.
Signal Average is the eighth option in the Setup Menu. When turned
on, this option averages several readings from the sample and
displays the average result from the sample (good for use with turbid
samples or samples that give unstable readings). When this option is
off, the instrument takes only a minimum number of readings to
obtain the sample measurement.
To change the signal average setting, press
ENTER (press the DOWN
ARROW
to skip this). Use the ARROW keys to toggle between on and off.
Press
ENTER when the desired choice is flashing. Press the DOWN ARROW
to scroll to the next option.
10.
Language is the next option. Press ENTER to change the language used in
the display. Use the
ARROW keys to scroll through the choices (press the
DOWN ARROW to skip this). Press ENTER when the correct language is
flashing. Choices include English, French, Spanish, Dutch, Portuguese,
and German. Press the
DOWN ARROW to scroll to the next option.
11.
Contrast is the tenth option under Setup. Press ENTER to change the
contrast on the display (press the
DOWN ARROW to skip this). Use the arrow
keys to increase or decrease the contrast. Press
ENTER when the contrast
is correct. Press the
DOWN ARROw key to scroll to the next option.
Note: Adjusting the contrast may help to read the display under different lighting
conditions (i.e., outdoors vs. indoors).
12. Auto Off is the next option. It allows the user to select the amount of
time, in minutes, between the last key press and the automatic shutoff.
The default is 15 minutes. The maximum time allowed is 99 minutes.
Use the
ARROW keys to increase or decrease the amount of time
desired. Numeric keys may not be used to adjust this time.
13. The next option is Program Update.Press
ENTER to add a new Hach
program or change selected portions of a Hach programmed method
following written instructions supplied by Hach (press the
DOWN
ARROW
to skip this). The software upgrade package and a computer
may be used to upgrade the software instead of updating the program
manually. Follow the instructions from Hach to enter the correct
entries. The instrument will also display prompts to guide you.
14. Adjust nm is the next option. Press
ENTER to re-set the wavelength of
the peak absorbance of the optics. This may be necessary if the
wavelength calibration goes beyond the specification range.
15.
Service Menu is the last option. This option is a display check used by
Hach Service personnel only.
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