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3
Part name
Button description
Button:
Switch for meter powering on/off.
button
Switch for turning on/off the backlight
HOLD button
Switch for reading retention mode.
FUNC button
It is used for switching among the functions of wind speed
measurement, area setting and air volume measurement.
Long press for three seconds to enable or disable "Auto
Power-Off" function.
Default is auto power off model, after 10mins no operation
auto power off.
MAX/MIN button
Switch maximum/minimum/normal mode, long press to
exit.
1. Fan
2. LCD
3. “FUNC” → Function switching
4. “ ”→ Power switch
5. “UNIT” → Unit switching
6. Maximum/Minimum
7. “HOLD” hold display, switch
temperature mode
8. “ ”→ Backlight
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