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The functional fingerprint buy common sense - 2013-06-02 18:45:53
Select the Lock function, on the one hand to meet their own needs, the other is the quality of the lock in the election. A good business will have more than a dozen models tend to lock choice for users. Users generally choose to use their own products out: There used entrance doors, and divided into metal doors and wooden doors, a user within the chamber door, common to the doors and so on. Commonly used basic functions:
A, can be used for multiplayer fingerprint door (a home or office does not usually one or two people), product quality should be stable, good performance;
B, can be divided permission to open the door (can not make heads and nannies, cleaners and open the door with the same administrative privileges)
C, can freely change in fingerprint door (you can easily clear the nanny left her fingerprints)
D, the appropriate password function a little (this part is actually not required because fingerprint door is very safe, but after all, is part of the electronic part of the fingerprint may have a bad time, temporary head of household circumstances open the door with a password (password can not be less than the median 9), the choice of the time try not to choose too highlight the password function product, after all, not as good as fingerprint security password. usually has four key and 12-key two, the former to the latter key code and more, will increase the possibility of dead pixels sex. everyday life as much as possible not to use a password to open the door, you can effectively avoid being stolen, do not worry about the password was cracked, a four-button 11 passwords if someone wants to try them out, let him try to beard white)
E, must be with a mechanical key, which is an alternate to open the door, such as airplanes, cars, although the automatic control state, but still retains the manual control part, this is considered a safe,
Any electronic part has the possibility of error, mechanical part to relatively more stable, retaining mechanical key lock to open the door as a spare at home, it can be a problem in the electronics section when the door opened and a convenient and timely maintenance. Imagine if there was a fire at home, or thieves forced open the lock because there is no damage to the electronics section of your door you how to do? Do not covet psychologically so-called security, and set posterior regardless, choose the kind of non-mechanical key locks. Ministry of Public Security requirements should be present on the market most of the mechanical key lock are a prominent position in the lock, and relatively easy to open, this is to prevent emergencies caused by natural disasters or damage caused by electronic part does not work properly emergency use in case you can secure channel, but this secure channel is sometimes easy to become a hazard, many customers may have this question: Would not lock with mechanical key hole is not much different with a mechanical key? Thieves used a master key or other means is still the same from the gap to open the door ah! So in 2008, when Shanghai a professional lock manufacturer introduced such a theft lock: Electronic parts under normal usage, the mechanical part in a "frozen" state, in the case without damaging the door , are not open in any way, and only in case of emergencies or natural disasters, force majeure, the electronic part does not work properly, and also need to authorize it before using the mechanical key to open the package, so that, users can peace of mind it.
F, choose a good cylinder. Cylinder is directly related to your door tamper and stability. This part is very important, lock better, ultimately inseparable from the cylinder section. Propaganda on the market is always the public that goes, rational woman and she said. How to choose the best reference to manufacturers, choose a good manufacturer, listen to them. Under normal circumstances the strength of the lock manufacturer would choose to produce their own lock cylinder, so that product quality will be able to be guaranteed. So, when consumers buy fingerprint must first get clear their cylinder is purchased or your own, which is very critical in the lock cylinder lock which acts as the heart of the role, imagine a person If you have heart problems, then where do you go still normal?
G, the other fancy features it is best not to. Basically not practical, multi-functional one more bad one possibility, after you repair bad product is not repair, repair it, maintenance personnel will charge you maintenance fee (door not free).