Froggit WH4000, Руководство пользователя

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Figure 2: U-Bolts and nuts installed
The plate and U-Bolts are not yet needed at this stage but doing this
now may help avoid damaging wind vane and wind speed cups later
on. Handling of the sensor package with wind vane and speed cups
installed to install these bolts is more difficult and more likely to lead
to damage.
1.2.Install wind vane
Push the wind vane into the shaft. as shown in figure 3.
Tighten the set screw with as shown in figure 4. Wind vane moves
not as free as wind speed sensor. This damp effect is helpful in
keeping wind direction measurement steady.
Figure 3 Figure 4
There are four alphabet letter of "N", "E", "S" and "W" around the