Dh-21 – Xylem DH-21 User Manual
Page 57
DH-21
Using the Graphical “W
ATER
LOG” Software 4-11
4.4.1.2 Stop Logging Option
The sensor can be paused and the logging operation halted by entering the OFF mode. The OFF
mode allows the execution of the options not allowed in the RUN mode except for Time/Date
and Diagnostics, which can only be executed in the RESET mode of operation. Figure 4-4 shows
how the OFF mode is invoked. You must confirm this option by clicking on the OK button to
prevent inadvertent operation.
Figure 4-4. Stop Logging Option
4.4.1.3 Start Logging or RUN Option
In the RUN mode of operation, the “
W
ATER
LOG” will make measurements at an interval set by
the Logging Option specified in Logging Mode. The data from the samples will be stored in the
FLASH EEPROM in the “
W
ATER
LOG”. The “
W
ATER
LOG” will enter a low-power mode of
operation to conserve battery power during the wait times. You can cause the “
W
ATER
LOG” to
enter the RUN mode shown in Figure 4-5 by selecting the Operation Mode button. You will be
asked to verify the selection to prevent inadvertent operation.