Translations:KAVAN V20 + ETHOS™ - User manual/1003/en

From KAVAN RC Wiki

Range check

A pre-flight range check should be performed before each flight. Select the „RF System“ section, select either the internal or external module, select „Action“, then „Range Check“ and confirm the selection. In range check mode, the effective range of the transmitter is reduced to 1/30. Press „Range Check“ again to return to normal mode.