Sper Scientific 850061 pH SD Card Datalogger Kit - Manual (Page 30)

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MEASUREMENT
PROCEDURES
Backlight
1. The backlight turns on
automatically when the meter is
turned on.
2. Press to turn the backlight off
or on.
View Real Time Clock
To view the time function during
normal measurement (not during
datalogging):
1. Press TIME. The time information
(hour, minute, second) will appear
on the lower display of the LCD.
View Sampling Time
To view the sampling time function
during normal measurement (not
during datalogging):
1. Press SAMPLING CHECK. The
sampling time (in seconds) will
appear on the lower display of the
LCD.