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11
Digital Anemometer
Operation Manual
Operating guidance
4. Operating guidance
4.1 Power On/Off
Press the “ ” key to turn on or off the anemometer
power.
4.2 Reading hold
In the measurement process, if the reading should be
kept, press "HOLD" key to lock the reading, and display the
HOLD symbol; press it again to unlock.
Note:
In the reading hold state, “FUN”, “MAX/MIN” and
“UNIT” keys are invalid.
4.3 Backlight
In the measurement process, if the ambient light is too dark
to read, you can press " " key to open the backlight.
Backlight timer is set to 15 seconds. During this period, you can
press " " key again to turn off backlight at any time.
Note:
The luminous body of backlight is LED with large
operating current. Frequently using backlight will
shorten battery life. Do not use backlight when
unnecessary.
When the battery voltage ≤ 7V, the " " (low battery)
symbol will show on the display. However, in the case
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