Xylem DO600 Dissolved Oxygen Meter - Manual (Page 5)

DO600 - Version 5.0 8/05 5
Altitude Compensation
1. With the unit ON, momentarily press the CAL/RECALL button twice in quick succession
(‘SAL’ is shown in the lower temperature display.
2. Press and hold CAL/RECALL again for 2 seconds to enter the Altitude Mode (‘Ald’ will be
shown in the lower temperature display).
3. The factory default value is sea level. Each press of the MODE/HOLD button increases
the compensation by 1000ft. The maximum value is 20 presses (20,000ft above sea
level).
4. Momentarily press the CAL/RECALL button to save the compensation setting and return
to the normal measurement mode.
Auto-Power OFF Feature
The auto power off feature automatically shuts the meter off 10 minutes after the most recent
button press. To disable this feature, refer to the Disable Auto-Power OFF section.
Disable Auto-Power OFF Feature
With the unit ON, momentarily press the CAL/RECALL button, then quickly press and hold
both the MODE/HOLD and ON/OFF buttons until ‘oFF’ is displayed. To restore the Auto Power
Off Feature (auto power OFF enable) simply turn the meter off and on again using the ON/OFF
button.
Low Battery Indication
When the battery voltage falls below the operating threshold, ‘BAT’ will appear on the display.
Refer to the Maintenance section for battery replacement information.
Storing Readings
1. Press the MODE/HOLD button to store a reading. The storage location number will be
displayed on the lower display, while the main display shows the stored reading. The
meter will enter the HOLD mode and the “HOLD” indicator will appear on the LCD.
2. Press the MODE/HOLD button again to exit the HOLD mode and return to normal
operation. The next time MODE/HOLD is momentarily pressed another reading is stored
and so on.
3. If more than 25 readings are stored, previously stored readings (starting with reading
number 1) are overwritten.
Recalling Stored Readings
1. Momentarily press the CAL/RECALL button and then with in 4 seconds momentarily
press the MODE/HOLD. The last stored data point location will be displayed (1 to 25).
Each time the MODE/HOLD button is momentarily pressed the next most recently stored
data point will be displayed.
2. After the last data point stored is displayed, pressing the MODE/HOLD button again
returns the display to the beginning of the list.
3. Pressing the CAL/RECALL button at anytime stops the data retrieval process and returns
the meter to the normal measurement mode.
Clearing Stored Readings
1. With the unit ON press and hold the ON/OFF button for 4 seconds
2. When “clr” is shown in the main display the memory is cleared.