Teledyne 4220, Installation And Operation Manual, Page: 66 / 198

4220 Flow Meter
Section 2 Programming
2-38
Absolute barometric pressure is barometric pressure not
corrected to sea level.
The barometric pressure published by
the U.S. Weather Bureau is adjusted to sea level. If you use their
value, you must convert it to the absolute pressure for your
altitude. You should use Weather Bureau barometric pressure
only if you are at sea level, or are able to correct the Weather
Bureau figure to absolute pressure at your location. Enter the
correct value.
Then the display will advance to the following:
If you select ALTITUDE for D.O., this will appear:
Select the appropriate units and press Enter .
Enter the altitude for your location. Then:
For more detailed information on the pH and D. O. probes, see
Section 5.
Returning to step 3 , Parameter to Adjust, the following display
will appear:
Note
If you are using the YSI Sonde and YSI 600 does not appear
on your display, return to step 1, Program, and make sure you
have selected YES from the YSI CONNECTED menu.
If you select YSI 600, the following will appear:
WRAP D. O. PROBE IN MOIST CLOTH
PRESS ENTER WHEN STABLE:
X.XX MS/CM:
CALIBRATING...
PLEASE WAIT...
UNITS FOR ALTITUDE ENTRY
• FT • • M •
ALTITUDE
ALTITUDE =
X.XX FT (or meters)
WRAP D. O. PROBE IN MOIST CLOTH
PRESS ENTER WHEN STABLE:
X.XXX MG/L
PARAMETER TO ADJUST
• NONE • • (LEVEL) • • (pH) • • (DO) • • (YSI 600) •
YSI 600 PARAMETER TO CALIBRATE
• NONE • • pH • • DO • • CONDUCTIVITY •