Xylem 6308DT INDUSTRIAL DISSOLVED OXYGEN TRANSMITTERS - Manual (Page 11)

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CAUTION: IF THE UNIT IS NOT LOCKED THEN EVERY TIME THE
USER ENTERS THE CALIBRATION/SETTING MODE THE RELAYS
AND ANALOG OUT WILL BE FROZEN.
d) User Setting page.
You will only see this page if the unit is not password locked. This page is just a
warning, telling you that all relays are frozen, and that you can calibrate and
change the settings.
NOTE: Frozen means all the relays and the analog out will maintain their
last state until the user returns to main display mode.
e) DO Calibration
1. ATC TEMP. - The current temperature of the solution.
2. PRESSURE - user changeable pressure value for DO computations.
3. SALINITY - user changeable salinity value for DO computations.
4. DO ALARM UNIT - this is the unit that the DO RELAY1 to DO
RELAY4 will be based upon. The RELAY1 to RELAY4 values for % and
ppm unit are saved in different memory (eeprom) location.
5. CAL VALUE - this is the DO calibration option. If you move the cursor
to this line a flashing [ ] icon will appear. Pressing the [ ] ENTER
key will start the DO calibration. The unit of this calibration will depend
on the unit of DO at normal mode. To calibrate the model 6308DT