Din Rail Timer Intelligent Microcomputer Auto Bell Ring Timer Controller Time Switch School Bell 220V NKG-4 with 40 Groups

        1.)Product attributes

1, please push the blue limiting piece in the bottom of product before use.

2, The switch into the line can only be connected to AC220V power supply; do not access the other power.

3, Long time press the ‘+’,’ – ‘key can be quickly set.

4, If could not achieve automatic control function, please check whether an ‘AUTO’ show in the lower right corner of the screen.

5, The internal battery only provides the LCD screen display and setting, such as A1, A2 terminal auxiliary power missed. It is unable to drive the relay output.

6, If there is abnormal situation in the product, Short 3, 4 terminal to reset. After reset procedures, please reset the time and latitude again.

7, This product has the latitude and longitude of simulation function, If the latitude function of some group of setting time is open, then the set time may be automatically adjusted by changing the current latitude and date. So please check the set time again after changing the latitude and date.

8, When the product life ended, to protect our environment, please do recycle work for those components which can be used again, and make sure those waste and useless parts are properly and safely disposed of.