Amprobe WT-50 Manual De Uso página 6

POWR/SET KEY: Press key to turn on and off the meter. When
the meter is off, hold down for few seconds to enter setting mode
CAL/ESC KEY: Press to switch normal and calibration mode. While
in calibration, setting or recall mode, press to return to previous mode.
HOLD/REC KEY: Press key to freeze current reading. Press again
to unlock. Press >1 second to switch normal and recall mode. When
the meter is off, press SET+HOLD simultaneously >1second to disable
auto-sleep mode.
MODE/UP KEY: Press this key to switch % and ppm (or mg/l). In setting
mode, press to increase value.
MEMORY/DOWN KEY: Press to record current reading. In setting
mode, press to decrease the value.
MAX/MIN/AV/ENTER KEY: Press to view the max./ min. and average
of the memory in recall mode. In setting or calibration mode, press
to confirm and enter next step. Press with HOLD/REC key to activate
backlight.
Primary screen displays
1
DO concentration
2 Temperature display
Date & Time display
3
4 Memory counter
5 Low battery indicator
6
Units of barometric pressure
7 Unit of salinity value
8 Freeze data
9 Stable readings indicator
10
Calibration mode
11
Memory Recall mode
12
Memory max/min./average review