Xylem H-3521 - Manual (Page 28)

4-6 Simple RS-232 Menu Interface H-3521
not average as many measurements. When in this mode the Meancount/Averaged
measurements value are not used. But if there is an application where the user needs the
H-3521 to measure that fast this mode does work. Therefore, the user may lose some
accuracy using this mode because the H-3521 is calibrated in the normal mode with the
atmospheric pressure and temperature measured every measurement. After pressing the F
key the screen will refresh with the option changed.
4.4.3 N - NOAA Mode
This options is the enable for putting the H-3521 in NOAA Mode. NOAA Mode causes
the H-3521 to complete measurements in less than 1 second. This mode is for NOAA
applications where the data collection platform requests a measurement/second for
3minutes and then requests no measurements for 3 minutes. When in this mode the
Meancount/Averaged measurements variable is not used. But this is a requirement for
NOAA application. After pressing the N key the screen will refresh with the option
changed.
4.4.4 R - Measure Rate
This option is a hidden menu option that is only available when the H-3521 is on power
mode 3. This option is viewing and editing the current measure rate value. After
pressing the R key the user will see the following prompt at the bottom of the menu.
Enter Option >Measure Rate(0-255)[ ]min
Then the user can enter in the desired measure rate. After entering the desired measure
rate press the ENTER key to submit the value and then the screen will refresh with the
option changed if the value was valid. If the user does not want to change the measure
rate then press the ESC key to abort.
4.4.5 D - Reset to Defaults
This option will reset the H-3521 back to factory user defaults. The following message
will be displayed.
Enter Option >Resetting to Defaults...