Lutron Electronics PH-222, Руководство пользователя

Страница: 9 / 10

4) To exit the Memory Record Function, press the “REC” Button for at least 2 seconds. The
display will t hen revert to the standard measurement screen and will no longer show “REC”
NOTE: To reset your Minimum or Maximum reading, whilst in the “REC MAX” or “REC MIN”
screen press the hold button and this will delete the current Minimum or Maximum reading.
5-4 Change Temperature Unit
Press the “ °C/° F” button (3 -4, Front Panel Description) continuously for a minimum of two
seconds. Then release the button and the units will change from °C to °F or from °F to °C.
6. Data Logger
The meter can save up to a maximum of 100 data points to its internal memory. These can then
be reviewed on the screen.
6-1 Saving Data
1) With the meter on press the “REC” Button, the display will show “REC” on the display.
2) Press the “LOGGER” Button (3 -2, Front Panel Description) and the display will save one
measuring value to memory. The display will then show you the position the data has been
recorded to and how many memory points you have left.
3) To exit out of the data logging mode, press the “REC” button for at least two seconds. The
display will then revert to the current reading and will no longer show “REC”.
6-2 Recalling Data
1) With the meter on press the “REC” Button, the display will show “REC” on the display.
2) Press the “REC” Button continuously until the display shows you “TTL” and your relevant
data point.
3) Use the button or to select which reading you wish to view. When you call the data
the pH unit will flash and show you the result at the time the record was taken.
4) Press the “HOLD” button to exit out of the data recall menu.
6-3 Deleting Data
1) Ensure the meter is turned off.
2) Press the “REC” Button continuously and then press the “POWER” button momentarily. The
display will show the following screen: