To exit the MAX/MIN mode, one may press and hold "MAX MIN" for
two seconds.
4.10 AUTO POWER OFF
By default, when the meter is powered on, it is under auto power
off mode. The meter will power itself off after 30 minutes if no key
operation and no RS232 communication combination at power on
can disable auto power off.
One may press and hold “HOLD” button and then power on the
meter and there will be two successive beeps to indicate that auto
power off is disabled and the will not show up.
4.11 LOW BATTERY CONDITION
When the battery voltage is under proper operation requirement,
the symbol will show on the LCD and the battery needs to be
replaced with new one.
4.12 CALIBRATION POINT
P.S
Normally, performing offset Calibration with thermal stabled ice
water through VR1 will give a very good calibration result.
input
0 °C
190 °C
1000 °C
1900 °F
Adjust VR
VR1
VR2
VR3
VR4
Tolerance
± 0.1 °C
± 0.1 °C
± 1 °C
± 1 °F
4. OPERATION INSTRUCTIONS
P.10
