GRAUPNER mc-16 Programming Manual page 6

Safety notices
WARNING:
If the range and functional test, and flight
simulation are not carried out in detail and
conscientiously, this may have undetect-
ed malfunction and / or reception failures result in
eg loss of control or even a crash of the model
and can lead to significant things and / or person-
al injury as a result.
Operating a winged aircraft, helicopter, ship or
car
WARNING:
•
Never fly over spectators or other
pilots. Never endanger humans or
animals. Never fly in the vicinity of
high-voltage wires. Do not operate the model
in the vicinity of sluice locks or where real
boats or ships are operating. Do not operate a
model on public streets or highways, paths or
plazas, etc.
• Never switch the transmitter off whilst operat-
ing a model! If this should happen acciden-
tally, keep your nerve and wait until the trans-
mitter screen is entirely blank, i. e. until the
transmitter has shut down completely; this
takes at least three seconds. Do not switch
your transmitter on again until this has oc-
curred. If you neglect this, there is a risk that
the transmitter will "hang" immediately after
being switched on, and you will lose control
of the model. In this case your only recourse
is to switch the transmitter off again, allow it
to shut down completely, and then switch on
once more after the correct interval.
6 Safety notices
Aero-towing
WARNING:
When operating a powered tug, ensure
that the receiving systems in the two
models are always at least 50 cm apart. We
recommend the use of satellite receivers in such
situations. If you neglect this, there is a chance of
interference from the downlink channel.
Monitoring transmitter and receiver batteries
You must stop running the model to recharge
the transmitter's battery no later than when low
transmitter battery voltage triggers the "Batt
must be recharged!!" display and acoustic signal.
Check the charge in batteries routinely, particularly the
receiver's battery. Do not wait until the movements of
controlled mechanisms are noticeably slower. Replace
expended batteries before they cause problems.
The battery manufacturer's charging instructions are
always to be followed, this includes mandatory adher-
ence to the length of charging time. Never leave batter-
ies being charged unattended.
Never attempt to charge primary batteries (non-re-
chargeable batteries) because they can explode.
All secondary batteries (rechargeable batteries) must
be charged before every session. To avoid short circuit
conditions, first connect the charger cable's banana
plugs, polarity correct, into the charger and thereafter
connect the charger cable's plugs to the transmitter
and receiver batteries.
Disconnect all power sources from the model when it is
not to be used for an extended period of time.
Never attempt to use defective batteries, damaged
batteries or mixed-type battery combinations as a sin-
gle group. Do not use mixed combinations of old and
new batteries or batteries of different manufacture.
Capacity and operating time
The rule: "capacity is reduced with every successive
recharging", applies to all batteries. Internal resistance
increases at low temperatures to further reduce capac-
ity. As a consequence, the battery's ability to provide
current and hold its voltage is reduced.
Frequent charging or the use of battery maintenance
programs can also result in gradual loss of battery
capacity. Therefore the capacity of batteries should be
checked at regular intervals, not in excess of every six
months, and replaced if performance is found to be
significantly deficient.
Purchase only genuine Graupner batteries!
Interference suppression for electric motors
All conventional electric motors produce
sparks between their collector and brushes.
Depending on the type of motor involved, this
may cause more or less interference with the function-
ality of the remote control system.
The electric motors of a properly built system should
therefore have interference suppression features. For
electric drive models it is particularly important that
every one of its motors is provided with proper inter-
ference suppression. Interference filters extensively
suppress such disturbances and should always be
included.
Follow the respective recommendations included in the
motor's operating and installation notices.
For further details about interference filters, refer to the
Graupner RC main catalog or in Internet at
www.graupner.de.
Servo interference filters for extension cables
No. 1040
The servo interference filter is necessary when an
extended-length servo cable is used. This filter is at-
tached directly to the receiver output. In critical cases a
second filter can be attached to the servo.