The protruding door bolt and the roller of the drawer can be lubricated with a little lubricating oil (domestic edible oil can also be used), and a little pencil lead powder (graphite) is injected into the key lock cylinder to make the key easier to insert, insert and rotate.
The safe is an anti-theft device. If the sense of responsibility and attention are added in the use process, the anti-theft coefficient of the safe will be greatly improved.
① When turning the mechanical lock, turn it slowly, not violently. At the same time, remember the direction and times. If you accidentally cross the mark line, you can't turn back and have to start again.
(2) It is best to set the password when the safe door is open. After the secret setting is completed, enter the new password several times and lock the cupboard door after confirmation.
③ Never lock the instruction manual and emergency key into the safe.
(4) When the alarm is used, the internal switch and electronic components shall not move at will. If the sound becomes lower, it means that the battery is used up and should be replaced in an emergency.
If there is a false alarm, the sensitivity can be reduced appropriately.
⑤ In order to ensure the safe is fixed reliably, the center of the tapered pin in the expansion nut must be hammered until the nut is expanded, opened and tightened.
The nut is strong enough in the hole in the wall.
⑥ The safe must be fixed on the concrete wall.
⑦ When the external battery is useful for a long time, the battery should be taken out of the battery box.