GRAUPNER GR-12L User Manual

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Binding
To establish a connection with the transmitter, the Graupner HoTT
receiver must first be "bound" to at least one model memory in "its"
Graupner HoTT transmitter. This process is generally called "bind-
ing". However, the methods to be used are not always the same, so
the following step-by-step guide is only for binding a SUMD Diver-
sity receiver to any transmitter:
Notes
• If the SUMD Diversity receiver is already bound to a specific
transmitter and this binding should be maintained, the transmit-
ter should ideally be switched on before the receiver. At the lat-
est, however, within approximately 15 seconds from the moment
when the receiver is switched on, the red LED of the receiver is
constantly on.
Attention
As soon as the LED starts to flash, the SUMD Diversity receiver
is in bind mode. From this point on there is the risk that the
SUMD Diversity receiver unintentionally binds to a transmitter,
which is casually in bind mode at the same time, whereupon the
model can run uncontrolled at any time. The distance between
transmitter and the SUMD Diversity receiver should be at least
0.5 m, otherwise the receiver of the SUMD Diversity receiver
can be overdriven.
• If the SUMD Diversity receiver is unbound or it should be bound
to another transmitter or only the model memory has to be
changed than the previous one, proceed as follows:
Binding step-by-step
1. Prepare the transmitter or model memory to be bound accord-
ing to the instructions for binding.
2. Turn off the power supply to your receiver.
3. The LED of the SUMD Diversity receiver lights constantly red.
4. Approximately 15 seconds after the SUMD Diversity receiver
is switched on, its red LED starts to flash, indicating that the
SUMD Diversity receiver is now in bind mode.
5. Start the transmitter-side binding according to the instruc-
tions of the transmitter.
6. If the red LED of the SUMD Diversity receiver goes out within
about three seconds, the binding process has been completed
successfully.
Your transmitter/SUMD Diversity receiver combination is
ready for operation.
7. If the LED on the SUMD Diversity receiver remains still red,
the "binding" has failed. Change the positions of the associ-
ated antennas and try the entire procedure again.

GRAUPNER GR-12L Specifications

General

Type	Radio-Controlled (RC) Model Parts
Proper use	Helicopter
Product type	Receiver
Programmable	Yes
Product color	Black, Green
Frequency range	2400 - 2483.5 MHz
Channels quantity	16 channels
Brand compatibility	Graupner
Maximum operating distance	3000 m
Voltage	3.6-8.4 V
Operating temperature (T-T)	-15 - 70 °C

Weight and Dimensions

Width	25 mm
Height	4 mm
Weight	4 g