FUNCTION
5
ON/OFF
Long
press ower “ “key to turn on /off the meter.
LCD BACKLIGHT
While the meter is in measurement mode, press “ ” key to turn
backlight on for 10 seconds.
REL
Pressing “ ” key to switch to REL mode. The existing temp.
will be set as a baseline, (0.0) will appear on the LCD. The meter
will then show the difference of the measured value from baseline.
Press “ ” key again to return to normal measurement mode .
MAX/MIN
This function can display the maximum and minimum value since
power on.
1.Press “ ” key to see maximum and minimum value of each
channel in turns.
2.The MAX/MIN value will be reset after power off.
3.The MAX/MIN will not be recorded if the ERROR message
displayed
4. This mode is also working in above “REL“ status.
HOLD
Press “ ” key to freeze the readings. Press again to
release and return to normal measurement mode.
T1-T2
To view the temperature difference between CH1 andCH2, press
and hold the “ ” key for 2 seconds. When the “T1-T2” icon
appears on the LCD, the difference (T1-T2) will show on the ch3
area. Press “ ” key for 2 seconds again to return to the
measurement mode. The temperature of CH3/CH4 won't appear
on the display under this function.