For Safety; Meaning Of Special Markings; Precautions During Flight - FUTABA T4YBF Manual

4YBF
To ensure safe use, observe the following precautions.
Pay special attention to the safety at the parts of this manual that are indicated by the
following marks.
Mark
DANGER
WARNING
CAUTION
Symbol:
WARNING
Do not fly simultaneously on the
same frequency.
I n t e r f e r e n c e m a y
cause a crash.
*Use of the same frequency
will cause interference even
if the modulation method
(AM, FM, PCM) is different.
Do not fly on rainy or windy
days, or at night.
Water will penetrate
into the transmitter
and cause faulty op-
eration, or loss of con-
t r o l , a n d c a u s e a
crash.
2

Meaning of Special Markings

Procedures which may lead to a dangerous condition and
cause death or serious injury to the user if not carried out
properly.
Procedures which may lead to a dangerous condition or
cause death or serious injury to the user if not carried out
properly, or procedures where the probability of superficial
injury or physical damage is high.
Procedures where the possibility of serious injury to the user
is small, but there is a danger of injury, or physical damage,
if not carried out properly.
; Prohibited

Precautions During Flight

F S
OR AFETY
Meaning
; Mandatory
Do not fly in the following places:
-Near other R/C flying fields (within
about 3km)
-Near people on the ground, or objects
in the air
-Near homes, schools, hospitals, or
other places where there is a lot of
people
-Near high tension lines, high struc-
tures, or communication facilities
Radiowave interference and obstructions
may cause a crash. A crash caused by
trouble in the R/C set, or the model itself,
may cause death or property damage.
Do not fly when you are tired,
sick, or intoxicated.
Fatigue, illness, or intoxication will cause a
loss of concentration or normal judgment
and result in operation errors and a crash.