Yale YDM 3109 User Manual - page 4

Do not use water and

any type of solvent

such as gasoline or

benzene as they can

cause damage to

electronic circuit,

deterioration and/or

paint peel-off.

Be careful not to have 

an unauthorized user

know your security 

code. Change your

code  periodically.

Do not use an

inappropriate tool

that can cause

damage or malfunc-

tion of the product.

Handle the unit

with care.

Excessive force,

careless handling

may cause product

damage.

Educate your

children about the

proper use of the

product.

Make sure the door

is securely locked

whenever you

leave your house,

especially in the

manual lock mode.

Make sure the distance

between the door and

door frame is not 

widened more than 

5mm.

5mm

Keep card key reader

part clean and dry. 

Dust off dirt smoothly

with a soft cloth.

Do not have your

card key lost or

stolen.

Immediate

re-registration of

all remaining keys

is required to

invalidate the lost

key.

Remove all of the

batteries before

installing or

removing a remote

control module.