User's Manual

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“ ” and“ ”adjust (Suitable for FT-F32，FT-F32-BT)
●On power off condition, press the “SCAN” button about 10 seconds until the displayed
screen appears “- - -” and “ ” or “ ” temperature unit blinks . In this condition,
press the “SCAN” button key again to adjust “ ””or “ ” and then it is set up ready
for use.
“ ” and“ ”adjust (Suitable for FT-F41，FT-F41-BT, FT-F42,FT-F42-BT)
● Adjust the switch to human temperature symbol “ ” or ambient temperature symbol
“ ” measurement by manual adjustment to the corresponding button on the device.
4）Measuring function switch (Suitable for FT-F31,FT-F31-BT,FT-F41,FT-F41-BT ,
FT-F42,FT-F42-BT)
● Adjust the switch to human temperature symbol “ ” or ambient temperature symbol
“ ” measurement by manual adjustment.
5）Memory recall
●12 memories recall (for FT-F31, FT-F31-BT, FT-F32, FT-F32-BT)
●Press “SCAN” button to display “---M” on the displayed screen, in the power off condition
and then memory recall displays.
●Press again “SCAN” button key to display previous memory in order and the memory
will recall in one second.
32 memories recall (For FT-F41, FT-F41-BT, FT-F42, FT-F42-BT)
●Press “M” button to display previous memory in order and the memory will recall in one
second. (For FT-F41, FT-F41-BT, FT-F42, FT-F42-BT)
●Press “Power” button key to be out of memory recall and then enter process
condition to measure.
6. Battery Voltage Display & Replacement
●LOW battery: The low battery symbol will be shown at the lower batter on the displayed
screen during the low battery power.
Replace the battery as soon as possible. However you can continue to use it on short time.
(Figure 6.1)
Figure 6.1
●Replace battery:
1). Open battery cover, remove the old battery out.