Chamberlain 300MC User manual

To prevent possible SERIOUS INJURY or DEATH from a

moving gate or garage door:

• ALWAYS keep remote controls out of reach of children.

NEVER permit children to operate, or play with remote

controls.

• Activate gate or door ONLY when it can be seen clearly, is

properly adjusted, and there are no obstructions to door

travel.

• ALWAYS keep gate or garage door in sight until completely

closed. NEVER permit anyone to cross path of moving gate

or door.

WARNING

CAUTION WARNING

WARNING

Locating your code switches

Slide the battery compartment cover back to access the

code switches in the remote control (Figure 1).

–

1 2 3 4 5 6 7 8 9 10

Code Switches (1-10)

Model 300MC

To match or change the code in the

remote control

Locate the code switches in both the new and the original

remote controls, either by removing the case screw and

cover or by sliding the battery compartment cover back.

Place remote controls side by side as shown (Figure 2)

and set switches in all remote controls to matching

positions (ON/OFF). Use a pen or screwdriver to slide the

code switches.

Figure 1

Match code switches (1-10)

between old remote control

and newremote control

Match code switches (1-10)

between old remote control

and newremote control

Match code switches (2-10)

between old remote control and

newremote control

1 2 3 4 5 6 7 8 9 10

Single-Button Remote Control

Model 300MC

*For use with 300 MHz Multi-Code™ compatible

receivers including Chamberlain Tri-Code Receivers.

Figure 2

*Multi-Code™ is the trademark of The Linear Corporation

Match the remote control to the

receiver:

1. Check the code switch settings on the

receiver.

2. Use a pen or screw driver to set the

code switches on the back of the remote

control to match the code switches on

the back of the receiver.

3. Once the code switches have been set

push the remote control button to activate your unit.

1 2 3 4 5 6 7 8 9 10

The Remote Control Batteries

Locate the battery by sliding the

battery compartment cover.

Dispose of old batteries properly.

To prevent possible SERIOUS INJURY or DEATH:

• NEVER allow small children near batteries.

• If battery is swallowed, immediately notify doctor.

WARNING

CAUTION WARNING

WARNING

NOTICE: To comply with FCC and or Industry Canada (IC) rules, adjustment or modifications of this

receiver and/or transmitter are prohibited, except for changing the code setting or replacing the

battery. THERE ARE NO OTHER USER SERVICEABLE PARTS.

Tested to Comply with FCC Standards FOR HOME OR OFFICE USE. Operation is subject to the

following two conditions: (1) this device may not cause harmful interference, and (2) this device

must accept any interference received, including interference that may cause undesired operation.

Table of contents

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