Sper Scientific 850055 pH Meter - Advanced - Manual (Page 25)

25
MEASUREMENT PROCEDURES
Recall Maximum & Minimum
This function reviews a maximum and minimum value
for all the data points stored in memory.
1. Press REC for 2 seconds to enter Recall Mode. “REC”
will flash on the LCD.
2. Press MN/MX/AV to view the minimum value of the
memory. Press MN/MX/AV again to view the maximum
value.
3. To exit memory recall, press REC for more than 2 se-
conds.
Backlight
1. Press any button to activate the backlight function. The
backlight turns off automatically after 10 seconds of
inactivity.
Auto Power Off
The meter turns off automatically after 20 minutes of
inactivity. To override the function, hold down POWER and
HLD simultaneously for 2 seconds when turning the meter
on until “n” appears.
Note…
The auto power off function will be disabled while in
calibration mode.