Chamberlain Liftmaster ULTRX900R Installation Manual Download Page 2

2

Program

NOTE:

If the Receiver will be programmed as a GCU

to a Primary Device proceed to "Alternate: Program
as GCU" section. The following steps apply only if the
Receiver will be used by itself.

Step 1:

Ensure the Receiver does not have power

and Dipswitch #1 is set to the
OFF position.

NOTE:

If Receiver is in this

Mode, there can be no other
900 Mhz units in the network.

Step 2:

Connect power (as shown in 

Setup: Power

Connections

).

Step 3:

Within 15 seconds, press and hold a button

on a remote control transmitter. The receiver will buzz
indicating programming is successful.

Additional Remote Control Transmitters:

To program additional remote control transmitters,
repeat Step 3 above with each remote control
transmitter (within 10 seconds of each other) or
repeat Steps 1-3.

When all the remote control transmitters have been
programmed, wait 15 seconds for the Receiver to
leave Learn Mode. The Receiver will buzz twice
indicating it is ready for use.

Dipswitch

Time

#8

OFF

0.5 Sec

ON

5 Sec

Channel 4:

NOTE:

These steps apply only if more than one

Receiver is being used.

Step 1:

Ensure the

Receiver does not have
power. Set Dipswitch #1 to
the ON position in each
Receiver.

Step 2:

Select the Identity for the Receiver (set as a

GCU) by changing the Dipswitches as shown in the
chart below.

Receiver ID

Switch #2

Switch #3

2

ON

OFF

3

OFF

ON

4

ON

ON

Alternate: Program as GCU

Dipswitch

Dipswitch

Time

#2

#3

OFF

OFF

0.5 Sec

ON

OFF

5 Sec

OFF

ON

1 Min

ON

ON

Toggle

Channel 3:

Output Timing

Dipswitch

Dipswitch

Time

#4

#5

OFF

OFF

0.5 Sec

ON

OFF

5 Sec

OFF

ON

1 Min

ON

ON

Toggle

Channel 1:

Dipswitch

Dipswitch

Time

#6

#7

OFF

OFF

0.5 Sec

ON

OFF

5 Sec

OFF

ON

1 Min

ON

ON

Toggle

Channel 2:

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