Type K J Thermometer
4.8 MAX/MIN/AVG Operation for Main Display:
When one press the 
button the meter will enter
the MAX/MIN mode. Under this mode the maximum value, minimum value and average value of latest 4 data is kept in the memory simultaneously and updated with every new data.
When the MAX symbol is display, the Maximum is shown on the display.
Press | again, then the NIN symbol is on the display and |
also the minimum reading. | |
Press | again, the AVG symbol is on the display and also |
the average reading. | |
Press | again, MAX, MIN and AVG will blink together. This |
means that all these | data is updated in the memory and the | |
reading is the present temperature. |
| |
One may press | to circulate the display mode among | |
these options. |
| operation, “ REL” and |
When the meter is | under | |
“°C/°F ” are disabled.
To exit the MAX/MIN mode, one may press and hold 
for two seconds.
4.9 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 or RS232 communication. Key combination at power on or RS232 communication 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.
4.10Low Battery Condition
When the battery voltage is under proper operation requirement,
the 
symbol will show on the LCD and the battery need to be replaced with new one.
