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Operating instructions for the model U-16 Emden, Order No. 92303
Description of the original
The German Navy's U-16 submarine served as the design for this model. The model's length was shortened
and a stern thruster was installed to optimize the model's maneuverability.
Model description
The submarine's real static dive function is accomplished with a hoist motor that controls a ballast tank. The
boat begins to submerge due to its increased weight. Surfacing takes place by the opposite effect. This makes it
possible for the model to be suspended in water. Curved travel is accomplished by way of a small traverse
thruster at the model's stern. This makes it possible for the model to turn in-place.
The drive battery can be quickly and easily recharged because the switch socket is also the charger socket.
The submarine's small size makes it possible to operate it without difficulty in a bathtub or a rather large
aquarium tank.
Technical data
Length, about 132 mm
Breath, about 33 mm
Height, about 50 mm
Total weight with RC, about 85 g
Maximum diving depth, about 0.5 m
Important safety notices
This is a model that – together with appropriate accessories – can become a functional RC model.
GRAUPNER/SJ cannot monitor adherence to the assembly and operating instructions for the model nor can
GRAUPNER/SJ supervise the installation, operation or maintenance of the model and its components.
Therefore GRAUPNER/SJ accepts no liability whatsoever for losses, damage or costs that arise from improper
operation, improper behavior or which are associated with same in any manner. Unless mandated by prevailing
law, the obligation of the GRAUPNER/SJ company to provide damage compensation arising from the use of the
model, regardless of the grounds, is excluded (this exclusion includes personal injury, death, damage to
buildings or structures as well as sales and business losses, consequential damage for business interruption or
other direct and indirect consequential damages).
Total liability under all circumstances and in each case is limited to the amount actually paid for this model.
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
No liability for printing errors. Technical changes reserved! 03/2012
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The commissioning and operation of the model is solely at the risk of the operator. Only cautious,
considered handling during operation of the model will prevent personal injuries and property damage.
Before operating the model for the first time, check if your private liability insurance provides coverage for model
ships of this type. If this is not the case, obtain special liability insurance coverage for RC models.
These safety instructions must be kept and, if the model is sold, passed on the purchaser.
Guarantee terms
The guarantee provides for the free-of-charge repair or replacement of parts which exhibit proven manufacturing
or material defects within the 24 month guarantee period that begins with the date of purchase. Further reaching
claims are excluded. Freight, packaging and travel expenses must be borne by the purchaser. No liability is
accepted for transport damage. A factual description of the fault or defect as well as proof of purchase which
shows the purchase date must be enclosed with the return shipment to GRAUPNER/SJ or its service center
responsible for the given country. The guarantee is void if the failure of the part or the model was caused by an
accident, improper handling or incorrect usage.
The following points must absolutely be observed:
This model is not suitable for children under 14 years of age.
The model is to be operated with caution if persons and/or animals are in the water. Always maintain an
adequate distance between the model and persons or animals.
Basically we recommend operation of the model only in clean bodies of water (i.e. where there are no solids
floating in the water such as algae, leaves, branches, etc) where visibility through the water is good down to
the bottom and there are no water plants in which the boat can become entangled. Operation in small
swimming pools which are not too deep, large clean aquariums and bathtubs can be recommended. There
should always be a readily available option for recovering the model without the need for a person to get
into the water.
Never allow the model to dive too deeply as this could cause its loss. We recommend that dives be
restricted to the limit of visibility but which does not exceed a maximum depth of 0.5 m.
Do not operate the model in nature reserves, landscape protection areas or water conservation areas. Ask
local authorities about the water bodies where operating model ships is permitted.
Never operate the model in saltwater.
Never operate the model in adverse weather conditions like rain, storms, strong wind, high waves or water
currents etc.
Never attempt to recharge the power supply's dry-cell (i.e. primary cell) batteries. Only rechargeable (i.e.
secondary cell) batteries may be charged.
The use of comparable rechargeable batteries is at one's own discretion and is not recommended by
GRAUPNER/SJ. Only dry-cell batteries of the 9 V block type or BABY should be inserted into the transmitter
and charger power supply.
Check the model for reliable response to the remote control unit before operating the model.
The remote control unit's effective range must be checked prior to operation of the model. Do this by moving
with the transmitter about 5 m away from the switched-on model. At this distance it must be possible to
operate all model functions without any problem.
Check if the 27.145 MHz radio frequency is free. Never operate the model if it is not sure that the radio
frequency is free.
Be aware that radio devices, other remote control units in the 27 MHz range or transmission equipment can
strongly interfere with the model's functionality. Try to ensure that such devices are not operated in the
vicinity while the model is being operated.
Particles suspended in the water must not get into the ballast tank through the intake opening as this could
block the mechanics and overload adjustment mechanisms.
Pay attention to the smooth, free movement of all drive components. This is particularly applicable while the
model is operating because leaves and other things in the water can become entangled in the drive
components. If this should happen, the motors and/or speed regulator can be destroyed by overload
conditions.
Batteries must never be short-circuited or come into direct contact with water.
The charger has a time-controlled switch-off. The battery charging process must be monitored. The
charging process may not be done repeatedly without intervening discharge cycles as this will heavily
overload the battery which could cause it damage or destroy it.
Remove the transmitter/charger batteries when the model is not in use.
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
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IMPORTANT: The rechargeable battery built into the model must not be disposed of in household waste.
The rechargeable battery must be turned in at an appropriate collection point. The model must be opened to
do this.
IMPORTANT: The model and the transmitter may not be thrown away as household waste but must be
turned in to a collection point for electrical waste materials. Ask your local authorities about this.
Never expose the model, the charger or the transmitter to severe heat, cold or contamination.
Protect the model, charger and transmitter against damage or slipping while they are being transported.
Never operate the model in moving water (e.g. a river) because, as a consequence of its slow speed and
the poor visibility in murky water, the model could be carried away by the current.
Never endanger yourself or others in an attempt to recover the model.
Pay particular attention to the model's water-tightness. A model submarine will sink if it takes on too much
water. Prior to every use, check the model for any damage and ensure the model is watertight. The switch
hatch must always be closed down watertight onto the hull when the model is operated!
Allow the model dry out good after it is used.
Care and maintenance
Clean the model after every use. Rinse off the watertight-closed model with clean tap water. Remove any
water which may have intruded. If water has gotten into RC components, allow the model to dry out then
send it to the responsible GRAUPNER/SJ service center for inspection.
Clean the model, charger and transmitter only with suitable cleaning materials. A lint-free cloth is suitable.
Never use chemical cleaning agents, solvents, gasoline, spirits or similar.
After operating the model, lubricate drives with a small drop of oil because the bearings also serve as the
shaft's seal against water intrusion. To lubricate the drives, use only oil which does not contaminate or
pollute water (e.g. order no. 206).
Operating instructions
With the transmitter switched off, insert the batteries into the transmitter. To do this, remove the Phillips-
head screws on the bottom of the transmitter and lift off the cover. Insert the mignon batteries (AA) with
correct polarity (see marks in the battery compartment) then screw on the cover again securely.
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
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orientation key-way
Charge the discharged battery in the model. Open the model's switch hatch and insert the charger cable
with correct polarity (pay attention to the orientation key-way). Switch on the transmitter. The charger LED
will begin to blink. NOTICE: The LED lights up during the charging process for technical reasons. When the
LED goes off, the charging process is finished (charging time, about 20 minutes).
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
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model switched off
switch hatch open, LED off
model switched on, not ready to
operate
Switch hatch merely making the contacts but is not yet closed
watertight, the LED will be lit up.
model switched on, ready to operate
The switch hatch is pressed down securely for watertight closure,
the LED will be lit up.
model switched off, battery in the
model is being charged
switch hatch open and charger cable inserted
Press down
completely!
LED
red LED
close
Charger
socket
surface
dive
control function
backboard
(left)
starboard
(right)
drive
ahead (forward)
astern (backward)
starboard
(right)
backboard (left)
dive
ahead
(forward)
astern
(backward)
surface
Switch hatch
Switch on the transmitter. (IMPORTANT: Always switch on the transmitter first and then the model. When
switching off, always switch off the model first and then the transmitter. Only during the brief period when
the charger cable is inserted into the charger socket is it unnecessary to first switch on the transmitter. This
is because when the charger cable is inserted it will switch off the model again.). The model does not have
a separate ON/OFF switch. It is switched on by closing the switch hatch.
Charger socket functions
Model functions
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
No liability for printing errors. Technical changes reserved! 03/2012
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Dive functions
Remote control unit has no range
Transmitter batteries almost fully discharged,
replace batteries
Battery in the model almost fully discharged,
recharge
Antenna not extended, pull out the antenna
LEDs on the transmitter do not light up despite new
batteries
Batteries installed wrong, insert batteries with
correct polarity orientation
The green LED on the transmitter does not light up
Batteries in the transmitter are discharged, replace
batteries
The model operates slower than usual, will not run
straight ahead correctly or is difficult to control
Battery in the model almost fully discharged,
recharge right away
The screws (propellers) have become fouled, clean
the propellers right away
The charger no longer charges the model's battery
properly, green power-on LED no longer lights up
Batteries in the charger are discharged, replace
batteries
Model will not dive properly
Briefly press the model under water to release any
air bubbles that may be present in the tower's open
area
Ballast tank cannot be controlled, driving motors still
function, green LED in the tower is off
Battery in the model almost fully discharged,
recharge battery
switch hatch
The model will dive or
surface at a rate which
depends on the amount
of water in the ballast
tank.
The dive function controls the filling of the ballast tank. When water floods into the tank, the model becomes
heavier and will submerge. Surfacing is achieved by reducing the amount of water in the ballast tank. It is easy
to achieve a buoyancy level for the model in the water by briefly tapping on the dive or surface pushbuttons. If
the model will not submerge despite a full ballast tank, there must still be small air bubbles inside the open area
on the tower or clinging to the hull. Press the model briefly under the water surface by hand and gently shake it
a little until the bubbles rise.
Maiden voyage
Charge the battery and test the model's functions. Check if all plug-on parts are securely seated, particularly the
switch hatch. Now the maiden voyage can begin. It may be necessary to briefly press the model under water to
release air bubbles from the tower's open area. Take it easy during the maiden voyage. Take the time to
become familiar with the model's maneuvering behavior. Do not maneuver far away, the model must never go
out of sight.
Now have a lot of fun with your U-16 Emden model submarine.
Potential problems and their remedies
Also necessary (but not in the kit)
2 sets of 4 each, mignon P4 high-performance dry-cell batteries, (6 batteries needed)
order no. 3426
This model may be operated in all EU countries!
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
No liability for printing errors. Technical changes reserved! 03/2012
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Approval certificate, Conformity certificate
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
No liability for printing errors. Technical changes reserved! 03/2012
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Notes
GRAUPNER/SJ GmbH D-73230 KIRCHHEIM/TECK GERMANY
No liability for printing errors. Technical changes reserved! 03/2012
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