Spektrum SPM2020 DX2 - Manual (Page 7)

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4. With the transmitter off, place the transmitter steering wheel and throttle trigger
channels in their desired fail-safe positions (normally brake and straight
ahead steering).
5. Press and hold the bind button on the transmitter while turning on
the transmitter.
6. Release the bind button after the green LED flashes
After several seconds the LED on the receiver and the LED on the transmitter will quit
flashing and remain solid, indicating that the binding process was successful. Once binding
is complete, the system will automatically connect.
Antenna
At 8.5 inches in length, the receiver antenna is significantly shorter than conventional
antennas. The receiver has provisions that allow the antenna to exit the top of the receiver
or at the end of the receiver. To switch antenna positions it is necessary to open the case
to change the antenna exit position. Like all antennas, it’s important to mount the antenna
vertically. In most cases the antenna can be mounted inside the body with no loss of range.
Mount the receiver antenna as recommended by the manufacturer of the vehicle, however, it
may be necessary to trim the plastic antenna tube (included with your vehicle) to allow the
antenna to extend at least 1/2” past the tip of the tube.
Note: If desired, the antenna can be shortened (cut) to exactly 3.6” with negligible loss of
range, and in some applications the short 3.6” length will make installation easier.
Binding
(continued)
LED and
Bind Button