Control Buttons • 19
Need Calibration Option selected.The fields on the Need
Calibration and Calibration Date screens are described
below:
NOTE: The GX-2003 units that are due for calibration will have
calibration dates highlighted in red for the channels that
are due.
• No. — lists, in numerical order, the sequence of units
whose data have been downloaded to the computer. The
most recently downloaded unit will be No. 1.
• SerialNo — shows the serial number of the unit that was
downloaded.
• UserID — shows the user ID of the of the unit that was
downloaded.
• StationID — shows the station ID of the unit that was
downloaded.
• Target Gases (CH4%LEL, O2, H2S, CO,CH4%volume) —
shows when the unit was calibrated for each of the target
gases in MM/DD/YY format. The last two digits in each
field show the time using the 24-hour, military standard.
The CH4 on the far left is for the % LEL sensor and the
CH4 on the far right if for the % volume sensor.
NOTE: Your GX-2003 may have less than 5 sensors installed.
• Last Downloaded — shows when the last download took
place for a unit using the MM/DD/YY format and the 24-
hour, military time standard.
• Calibration Record — selecting this option shows the
instrument’s serial number, user ID, station ID, before and
after calibration readings, auto calibration settings, and
calibration due information. The fields on this screen include
SerialNo, UserID, and StationID just as in the Need
Calibration and Calibration Date screens.
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