Sunroad FR900 - Accuracy Limitations for Altitude; Sea Level Settings for Alti-Baro

weather change high frequency, it’s better to calibrate sea level
altitude or sea level air pressure. Especially calibrate when start to
climbing.
7.1.2 Why the result is not accuracy
If keeping altimeter mode long time at same place and the weather
changes, the altitude will be not accuracy.
During climbing, if the weather changes high frequency, the altitude
will be not accuracy.
At this time, please calibrate sea level altitude or sea level air
pressure on time.
7.2 Sea level altitude & sea level air pressure setting
1) Under time mode, long press [M] to enter setting mode
2) Press [A] in turn to alti-baro
3) Press [C] to enter alti-baro
4) Press [B] to switch between sea level altitude and sea level air
pressure.
5) Press [C] to enter into setting mode
6) Press [A] or [B] to set data
7) Press [M] to return to last menu
8) Press [L] to save and exit setting
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