Amprobe WT-70, Руководство пользователя, Страница: 6 / 20

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ORP reading in unit mV
(unit pH is meaningless for ORP)
Low battery indicator
READY to indicate the reading is stable
Review maximum and minimum record
Freeze display
Meter is in recall mode
Total numbers of records
Real time clock
Temperature unit. oC or oF is selectable
(TPK-60 is needed)
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POWR/SET KEY: Press key to turn on and off the meter.
When the meter is on, hold down for >1 second to enter setting
mode.
CAL/ESC KEY: While in setting or recall mode, press to
return to previous mode. Calibration is invalid in WT-70 with ORP
probe.
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 >1
second to disable auto-sleep mode.ㄡ
MODE/UP KEY: Press this key to select unit mV for ORP probe. unit
pH is meaningless for ORP probe. In setting mode, press to increase
value.
MEMORY/DOWN KEY: Press to record current reading. Insetting
mode, press to decrease the value.ㄡ
MAX/MIN/ENTER KEY: Press to view the max./ min. of the memory
in recall mode. In setting mode, press to confirm and enter
next step.