Delta OHM HD3409.2, Manual

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played using FUNC refer to saturation: the remaining indicated parameters are those meas-
ured at the maximum and minimum saturation index and not their maximum and minimum
values.
The same is true for the other items: "
Conc " refers to dissolved Oxygen concentration, " tp "
to temperature, " Press " to barometric pressure.
If the RCD MODE parameter is set to " tp ", the maximum and minimum values displayed
using FUNC refer to temperature: the other indicated parameters are those measured at the
maximum and minimum temperature and are not the maximum and minimum of the other
variables.
If "
Indep " (=independent) is selected, the maximum and minimum values displayed using
FUNC/ENTER are independent: the indicated values are the maximum and minimum of
each variable but are not necessarily referred to the same measurement
moment .
8) YEAR: to set the current year. Use the arrows to modify this parameter and confirm using
ENTER.
9) MNTH (month) : to set the current month. Use the arrows to modify this parameter and con-
firm using ENTER.
10) DAY to set the current day. Use the arrows to modify this parameter and confirm using EN-
TER.
11) HOUR to set the current hour. Use the arrows to modify this parameter and confirm using
ENTER.
12) MIN to set the current minutes. In order to correctly synchronize the minute, it is possible to
reset the seconds by pressing the °C/°F key. Use the arrows to set the current minute plus
one, and as soon as that minute is reached press °C/°F: this synchronizes the time to the
second. Press ENTER to go onto the next item.
13) BAUD_RATE indicates the frequency used for the serial communication with the PC. Val-
ues from 1200 to 38400 baud. Use the arrows to modify this parameter and confirm using
ENTER.
The communication between instrument and PC (or serial port printer) only
works if the instrument and PC baud rates are the same . If the USB connection is used
this parameter value is automatically set (please see the details on page 25).
FUNC key
It enables the display and logging of the maximum (MAX), minimum (MIN) and average (AVG)
value of dissolved Oxygen concentration, saturation index, barometric pressure and temperature
measurements, updating them with the acquisition of new samples. The acquisition frequency is
once a second. To switch from dissolved Oxygen to barometric pressure and to saturation index use
the
mg/l-% key.
The MAX, MIN and AVG measurements remain in the memory until the instrument is on, even
after exiting the calculation function. To reset the previous values and restart with a new meas-
urement session, press FUNC until the message "FUNC CLR" appears, then use the arrows to
select YES and confirm using ENTER.
The dissolved Oxygen concentration (or barometric pressure or saturation index) and tem-
perature values are displayed at the same time. According to settings in the "RCD Mode"