Chamberlain Merlin Whisper Drive MT3850 Installation And Operating Instructions Manual page 26

WIRELESS PROGRAMMING
KEYLESS DEVICE PROGRAMMING
Activate the opener only when door is in full view, free of
obstruction and properly adjusted. No one should enter or leave
garage while door is in motion. Do not allow children to operate
push button(s) or remote(s). Do not allow children to play near the
door.
NOTE: Your new C840 Keyless Entry System must be
programmed to operate your garage door opener.
Adding Keypad:
Using the orange "LEARN" button:
1. Press and release the orange "learn" button (1) on
opener. The learn indicator light will glow steadily for 30
seconds.
2. Within 30 seconds, enter a four digit personal
identification number (PIN) of your choice on the keypad
(2), then press and hold the ENTER button.
3. Release the button when the opener light flashes (3). It
has learned the code. If the light bulb is not installed,
one click will be heard.
Using the LCD Motion Detecting Control C198
(Included):
NOTE: This method requires two people if the
keyless entry is already mounted outside the garage.
1. Enter a four digit personal identification number (PIN) of
your choice on the keypad, then press and hold ENTER.
2. While holding the ENTER button, press and hold the
LIGHT button on the motion detecting control panel.
3. Continue holding the ENTER and LIGHT buttons while
you press the push bar on the motion detecting control
panel (all three buttons are held).
4. Release buttons when the opener light flashes. It has
learned the code. If the light bulb is not installed, one
click will be heard.
Wireless Programming a Fingerprint Entry
System C379
Full instructions are available with this accessory.
Once you have enrolled your users into the C379 you can
program the unit into your opener.
Using the orange "LEARN" button:
1. Press and release the orange "learn" button (1) on
opener. The learn indicator light will glow steadily for 30
seconds.
2. Within 30 seconds slide the cover of the C379 up as
illustrated (A). Swipe your finger on the reader head at a
steady speed (B) until the LED turns on (C).
3. When the opener light flashes (3) it has learned the
code. If the light bulb is not installed, one click will be
heard, ensure there are no obstructions in the path of
the door, then press the send button (D) to test the door.
Adding C840 (keypad)
1
2
Using C198 (LCD motion detecting control panel)
1
2
Adding C379 (finger print entry system)
A
ENROLL
SEND ENROLL
PASS FAIL
READY RETRY
B
C
ENROLL
SEND ENROLL
PASS FAIL
READY RETRY
D
25
Indicator
Light
Push Orange button
Black
twice to enter Button
unit into Force
Adjustment Mode
Orange
Button
3
3 4
Press orange LEARN Button
LED will start flashing
Slide the cover plate
up (A)
Swipe finger at a
steady speed (B)
Yellow LED will indicate
successful swipe (C)
Courtesy light will
flash once.
Test reader by pressing
the send button (D)