- 10 -
+
%RH probe calibration
Simultaneous pressure on the UNIT and FUNC keys starts the calibration procedure of the probe
connected to the instrument. Please see the paragraph dedicated to calibration on page 14.
°C/°F - ESC key
Changes the unit of measurement for the temperature from degrees Celsius to Fahrenheit for both
the main and secondary variable.
When used in the menu, it clears or cancels the active function.
REL/
key
In measurement mode, it displays the difference between the current value and that measured on
pressing the key for both measurements - main and secondary. The
REL
message appears on the
display; press the key again to return to the current measurement.
When used in the menu, it decreases the current variable value.
MENU Key
The first menu item is accessed by initially pressing on the MENU key; press ENTER to go to the
following items. To modify the item displayed, use the arrow keys (
and
). The current value is
confirmed by pressing the ENTER key and the display moves on to the next parameter, by pressing
the ESC key the setting is cleared.
To exit the menu, press the MENU key at any time.
The menu items are listed in this order:
1)
Management of logged data (only HD2101.2)
: the message
">>>_LOG_DUMP_or_E-
RAS
" (Transfer data or erase) is scrolled in the comment line. The center figure reports the
number of free memory pages (FREE). All memory data are permanently erased by pressing
SERIAL/EraseLOG. By pressing LOG/DumpLOG, the data transfer of the logged data on
the serial port is started: the "BAUD-RATE" must have previously been set to the maximum
value (please see the menu items described below and the paragraph "STORING AND
TRANSFERRING DATA TO A PERSONAL COMPUTER" on page 28).
