E-flite Ultra Micro 4-Site BNF User Manual
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Introduction
Congratulations on the purchase of your Ultra-Micro
™
4-Site
™
. Its amazing
performance is the result of many E-flite advances, not the least of which is a
stamped-foam manufacturing technique that results in wing, fuselage and tail parts
that are actually lighter, stiffer and more durable than standard sheet foam. The airfoil
shape of the wing also provides superior performance to sheet foam. These parts
are further reinforced with carbon rod and foam bracing that minimizes in-flight flexing
and twisting.
This robust construction, combined with the precision of Spektrum
™
2.4GHz DSM2
™
technology and long-throw Ultra-Micro servos, gives the 4-Site a level of control and
responsiveness you will instantly fall in love with. But before you get started, take
some time to read this manual. The Ultra-Micro 4-Site is designed for experienced 3D
foamy pilots and as such requires a radio capable of supporting dual rates and expo.
In addition to basic operation and maintenance instructions, you’ll find valuable radio
setup tips that will help make your first flight the best it can be.
Table of Contents
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3
Additional Safety Precautions and Warnings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Note on Lithium Polymer Batteries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Ultra-Micro 4-Site BNF Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Additional Equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
Preparing for the First Flight Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Flying Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Battery Warnings and Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Celectra 4-Port 1-Cell 3.7V 0.3A DC Li-Po Charger Instructions . . . . . . . . . . . . . . . .9
Celectra 4-Port Li-Po Charger Warning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Usage Guidelines, Warnings and Safety Precautions . . . . . . . . . . . . . . . . . . . . . . .12
Transmitter Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Transmitter Control Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Installing the Flight Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
Transmitter and Receiver Binding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .15
Transmitter Specific Binding Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .16
Additional Binding Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .17
Control Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Control Centering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
Dual Rates and Expo. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Setting CG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Receiver Control Unit Description, Arming and Motor Control Test . . . . . . . . . . . . .23
Choosing a Flying Area . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Flying the Ultra-Micro 4-Site . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Optional Speed Brakes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Prop Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Replacement Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Option Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Warranty Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Product Registration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
FCC Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
CE Compliance Information for the European Union . . . . . . . . . . . . . . . . . . . . . . . .36