Godrej Grand Master Key Arrangement:

In the above...
Godrej Grand Master Key Arrangement:

In the above Diagram

The Locks are operated individually by separate keys (K1 = D1, K2=D2, ....).

The Sub Master key (SMK1, SMK2...) operate a small group's of locks.

The group of locks are operated by master key (M1, M2) and Grand Master key open all locks in the system.

Example :
Master key can be made floor wise & Grand master key can be used for the whole building.
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for grand master key control just make a call or send an inquery .
Aug 7th, 2018 1:21 PM

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