Operating guidance
Power On/Off
Press the “ ” key to turn on or off the anemometer power.
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, “FUNC”, “MAX/MIN” and “UNIT” keys
are invalid.
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
of using the backlight, if the battery voltage ≥ 7V, the battery
voltage drops because of its larger operating current, " "
symbol may show (when " " symbol is showing, the
accuracy of the measurement can’t be guaranteed). At this
moment, you needn’t replace battery until the " " symbol
display again under normal use condition without using
backlight.
Wind speed measurement
Place the detector (fan) into the test environment, "VEL"
symbol will display on the screen, measurement is done with
the fan surface perpendicularly to the wind direction.
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