Receiver compatibility, Installing the transmitter batteries, Low battery alarm – Spektrum SPMR2200 DX2M User Manual
Page 4: Binding

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RECEIvER COMpATIbILITY
The DX2M is compatible with all current Spektrum™ DSM, DSM2 and marine
surface receivers.
INSTALLING ThE TRANSMITTER bATTERIES
The DX2M requires 4 AA alkaline, heavy-duty or rechargeable batteries.
bATTERY INSTALLATION
Remove the battery door and install 4 AA batteries. Make sure the polarity of each
corresponds with the diagram in the battery holder. Replace the battery door.
LOW bATTERY ALARM
When the battery voltage drops below 4.7 volts, an alarm sounds and the voltage
LEDs flash. The batteries must be replaced immediately.
bINDING
You must bind the receiver to the transmitter before operating. Binding teaches
the transmitter’s specific code to the receiver so it only connects to that
transmitter. These instructions explain how to bind most Spektrum surface
receivers.
1. To bind a receiver, insert the bind plug in the Batt/Bind port.