Using The Remote Control; Troubleshooting; The Remote Control Battery - Chamberlain 3850 Owner's Manual

Elite series for residential use only
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Using the Remote Control

NOTE: To activate the remote control functions, pull out the
plastic pull tab protruding from the remote control housing.
This remote control is equipped with a proximity lighting feature.
When moving a hand within close proximity to the remote
control, the LED lights turn on for 3 seconds. Upon successful
activation of a remote control button, the LED lights will blink
rapidly.
Proximity Disable Feature
The remote control will turn off the proximity lighting feature if
the proximity lighting is turned on 10 consecutive times without
activation of a button. To re-enable the proximity lighting, simply
press a button. This function conserves battery life.
To Control the Opener Lights
®
With 315 MHz Security✚
remote controls, a remote push button
can be programmed to operate the opener lights without opening
the door.
1. With the door closed, press and hold the remote button that
you want to control the light.
2. Press and hold the Light button on the Smart Control Panel
3. Press and hold the Lock button on the Smart Control Panel
4. After the opener lights flash, release all buttons.
Test by pressing the remote push button. The opener lights
should turn on or off but the door should not move.

Troubleshooting

PROBLEM
Reduced proximity
sensing (does not
activate by touching
top of remote control)
Dim LED lights
No rapid LED blinking
after pressing a button
SOLUTION
Check if proximity lighting is disabled
by pressing a button.
The Proximity Sensor may be
oversensitized. Sit remote control
undisturbed for 60 seconds on a
non-metallic surface. This allows the
sensor to recalibrate itself.
Replace 3V2450 battery with same
type 3V2450 coin cell.
Replace two 3V2016 batteries with
same type 3V2016 coin cells.
Replace two 3V2016 batteries with
same type 3V2016 coin cells.

The Remote Control Battery

To prevent possible SERIOUS INJURY or DEATH:
• NEVER allow small children near batteries.
• If battery is swallowed, immediately notify doctor.
To reduce risk of fire, explosion or chemical burn:
• Replace ONLY with 3V2016 or 3V2450 coin batteries.
• DO NOT recharge, disassemble, heat above 100° C (212° F)
or incinerate.
The 3V2016 lithium batteries for the opener and LED lights
(marked "LED and Opener Battery") should last 5 years. The
3V2450 lithium battery for the proximity lighting (marked
"Proximity Battery") should last 1-2 years.
To replace the batteries,
remove the two screws and
open the remote control
housing. Push the battery out
of the holder for removal.
®
.
Insert replacement batteries
®
.
positive side up. Dispose of
old batteries properly.
Replace the batteries with only
3V2016 or 3V2450 coin cell
batteries.
CAUTION: Do not bend spring contact. If bent the proximity
sensor will not work.
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.
28
Proximity
Battery
Spring
LED and
Contact
Opener
Batteries

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