FUTABA 12K Instruction Manual page 115

TELEMETRY : SPEED
The speed screen displays and sets the speed
data from an SBS-01G/02G (GPS sensor) sold
separately.
The speed of the aircraft during flight can be
displayed.
After flight, the maximum speed during flight
can be viewed. Because this speed is based on
RTN
HOME/EXIT
RETURN
*Alarm when the speed has decreased.
Alert setting when speed increases
*When the RTN button is pushed for one second, the rate is
reset to the initial value.
Alert setting when speed decreases
*A GPS sensor must be installed in the aircraft.
position data from a GPS satellite, the ground speed
is displayed instead of air speed. Consequently,
with a head wind, the displayed speed decreases
and with a tail wind, the displayed speed increases.
*It cannot be used in S-FHSS mode
∼
*When the RTN button is pushed for one second, the rate is
reset to the initial value.
*Speed alarm precaution
Since the GPS speed sensor displays the ground speed, it
cannot be used as a stall alarm. For example, an aircraft that
stalls at 50km/h will stall if the tailwind is 5km/h or greater
even through 55km/h is displayed by ground speed. In
400km/h at an over-speed alarm, when the headwind reaches
30km/h the airplane will disintegrate in midair due to over
speeding even at a ground speed of 370km/h.
<Push Dial>
1 ∼
*Alarm when the speed has increased.
"Vibes" type
If the following types are selected, the
transmitter will vibrate during the warning.
TYPE 1
TYPE 2
TYPE 3
TYPE 4
<Functions of Linkage Menu>
115