What is the function of the cylinder key part in hotel locks？

What is the function of the cylinder key part in hotel locks？

Cylinder key part is the place where to insert the mechanical keys. 

1.When emergency happens, you can use mechanical keys to open doors. 

2. when you need to clear all records on data board, you need to turn mechanical keys for 5 times, lock will issue DIDI sound, then you can use card to control again. 

3.when you install batteries, but wrongly connect positive and negative pole, so data board will not have any response. firstly thing, you can turn mechanical keys for one time, after you turn for one time, you can know whether data board light have response or not.If no, then you should change data board. 

when you control the lock, mechanical keys  parts of hotel lock will offer you many convenience for your test. In hotel lock design, mechanical cylinder parts action will help lock finish the complete electronic process.