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  Transmitters and Receivers (non-2.4)
bullet  Voltage out is based on Voltage in. Receivers typically operate on a
4.8V DC input voltage. This can be increased to 6.0V, where more
power and speed can be derived from attached servos, but a decrease
in lifespan for said items might result as well due to increased stress.
An ABSOLUTE minimum operating voltage is very near 4.0V. Rx's typically
use a 3.3V regulator which requires an additional 0.7V to power itself,
resulting in the 4.0V minimum. In application, however, it is typical for
performance to become severely degraded as power falls under 4.3V DC.

Ref: http://www.futaba-R/C.com/faq/faq-receivers.html
 
bullet Servos are going to buzz and have small movements
 when your transmitter is close to the your plane! This is
 NORMAL!
 
bullet Is your plane making erratic moves, think your plane is
getting "hit"? Chances are that the linkage either at the
control horn or servo arm is not tight or binding.  Grab the
offending surface firmly and move it. If you feel it move
before the normal servo movement, there's a problem. (One
of my student's planes had a small glob of glue on
the elevator push rod at the exit of the fuselage. When
giving up elevator the plane would suddenly snap up,
because of the hang up) It was an Avistar, and this is not
the first time I've seen this with this plane.
 
bullet  Rumor:  Turning your radio on with the antenna down, will
damage your transmitter.  Ten years ago that may have been
true, with today's radios not a chance!!  Do a proper range
check, antenna down at a 100 feet with engine running.
 
bullet  Do Not Glue any part of your receiver antenna to the plane
 If you crash, you may pull or break the antenna from
 the receiver!
 
bullet  If you have a new transmitter, take the instructions,
 transmitter and plane to the field, when looking for help!
 
bullet  Ground or range checks are generally considered successful
 with control surface movement at 100 feet with the
 transmitter antenna not extended. (Engine running and
 away from chain link fences).

 

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