3D Robotics IRIS Plus - Manual (Page 13)

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Standard (altitude hold mode)
STD
fly manually
Start your flight in standard to select altitude hold
mode, and fly IRIS manually using the controller.
Loiter mode
LTR
hover
Select loiter to set IRIS to hover in place automatically. Use the
controller to adjust IRIS’ position then release the sticks to hold
that position. Loiter is a great way for beginners to learn how to fly!
If you’re new to flying, start your first flight in loiter instead of standard.
Flight Modes
Stabalize
Altitude Hold
Loiter
Full Autonomy
Return to Launch
Stabalize
Altitude Hold
Loiter
Full Autonomy
Return to Launch
mode switch
IRIS includes three flight modes: manual flight
(STD-altitude hold), hover mode (LTR-loiter), and
mission flight (AUTO). Use the switch on the
right side of the controller to select a flight mode.
To avoid sudden changes in altitude, set the throttle stick
to center position before switching modes, including in the
event of a GPS failsafe.
Advanced Operator Note: If you choose to modify the flight mode configuration to
include Stabilize mode, please fly only with the provided set of tall legs. Flying in Stabilize
with short legs can cause vibrations that may interfere with autopilot calculations and
produce unexpected behavior.