User Manual

3.1.3 Home Distance Mode Setting

The home distance mode can be set between “Line of Sight” distance mode and “Ground”

distance mode. If “Line of Sight” distance mode is chosen, the true distance between

home and the plane will be displayed with consideration of ground distance and altitude. It

will not take account of the altitude into calculation, but measure the ground distance only

if the “Ground” distance mode is selected. It is not recommended to choose the “Ground”

distance mode if no RSSI system is applied. In some circumstances, especially the plane

is ﬂying too high, although the plane looks not “out of range” from the reading of the

ground distance. But it may have risk of losing control for the RC link, as the displayed

distance might be far less than the true distance.

3.2 Power Battery Settings

There are two sub-menus for the power battery settings. You may use the right arrow

button or enter button to enter the selected sub menu.

3.2.1 Power Battery Fuel Gauge Setting

There are two item in this sub-menu. The maximum voltage is setting the upper voltage for

the fully charged power battery pack. The minimum voltage is setting the lower voltage for

the fully drained power battery pack. You may press the exit or back button on the remote

controller to quit this sub-menu. The power battery fuel gauge described in section 2.2.2 is

calculated according to this two settings. If the measured voltage of power battery pack is

equal to the set maximum voltage, the fuel gauge will display full bar. If the power battery

voltage drops and the minimum voltage is reached, the fuel gauge display will be ﬂashing,

which warns the pilot the power battery is fully drained, and must land the plane

immediately.

3.2.2 Power Battery Sensor Calibration

You may calibrate the displayed power battery voltage and current by setting offsets in this

sub-menu. There are two options inside, the voltage offset and current offset. It is strongly

recommended to connect an accurate multi-meter to perform this calibration. Connect the

power battery into system, and parallel a voltage meter with the power battery, adjust the

setting of the voltage offset, let the voltage reading at the lower left screen to be the same

as your voltage meter. Similarly, connect the power battery into system, and series a

current meter into the power supply loop, adjust the setting of the current offset, let the

current reading at the lower left screen to be the same as your current meter. Press the

exit or back button on the remote controller to quit this sub-menu.

3.3 Auxiliary Voltage Port Settings

There are ﬁve settings in the auxiliary voltage port sub-menu to adjust the function of the

physical auxiliary voltage detection port on the OSD main board as per described in

chapter 1.3.1. This sub-menu is shown as per Figure 3.2.

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