YSI 95 - Manual (Page 15)

Operation Section 4
YSI Incorporated Model 95 11
4.8 4.8 4.8 4.8 TOGGLING BETWEEN %-AIR SATURATION AND MG/L TOGGLING BETWEEN %-AIR SATURATION AND MG/L TOGGLING BETWEEN %-AIR SATURATION AND MG/L TOGGLING BETWEEN %-AIR SATURATION AND MG/L
The UP ARROW key allows quick and convenient switching between the two DO parameters
without going through the instrument’s four modes (using the MODE key). Press the UP ARROW
key to toggle the DO reading between %-air saturation and mg/L.
4.9 4.9 4.9 4.9 DISSOLVED OXYGEN FILTER DISSOLVED OXYGEN FILTER DISSOLVED OXYGEN FILTER DISSOLVED OXYGEN FILTER
The Model 95 is equipped with a DO filter to help filter out instability and high frequency noise.
This feature is useful when measuring dissolved oxygen in an unstable environment such as a fast
moving stream or an aeration tank. The default option for the filter is off. To activate the filter, enter
the filter option menu by pressing both the DOWN ARROW and MODE keys together (
Ú key
slightly ahead). Operation procedures:
•
Press both the DOWN ARROW and MODE keys
together (
Ъ Ъ Ъ Ъ key slightly ahead). The current status
of the filter is displayed, On or OFF, with a smaller
“
FIL ” displayed in the bottom right corner of the
screen.
•
Press the UP ARROW or DOWN ARROW key to
change the current status of the filter option.
•
Press ENTER to confirm the change.
•
To abort any changes and exit the filter menu, press
the MODE key (instead of ENTER).
4.10 4.10 4.10 4.10 DISPLAY BACKLIGHT DISPLAY BACKLIGHT DISPLAY BACKLIGHT DISPLAY BACKLIGHT
At times it may be necessary to take measurements with the Model 95 in dark or poorly lit areas. To
help in this situation, the Model 95 comes equipped with a backlight that will illuminate the display
so that it can be easily read. To activate the backlight, press and hold the LIGHT button. The
display will remain lit as long as the button is depressed. When you let it up, the light goes out to
preserve battery life.
On
FIL