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Master Key Suites (MK)<br />
In Master key suites, a group of<br />
cylinders, each equipped with an<br />
individual key, is also operated by<br />
one special key known as the<br />
master key. Keyed alike groups can<br />
also be incorporated into any<br />
master key suite.<br />
Great Grand Master Key Suites<br />
(GGMK)<br />
GGMK<br />
(great<br />
grand<br />
master<br />
key)<br />
GMK<br />
(grand<br />
master<br />
key)<br />
GMK<br />
(grand<br />
master<br />
key)<br />
MK<br />
(master<br />
key)<br />
MK<br />
(master<br />
key)<br />
MK<br />
(master<br />
key)<br />
MK<br />
(master<br />
key)<br />
MK (master key)<br />
Great grand master key suites are<br />
used when it is necessary to have<br />
more than one GMK group within<br />
the same buildings complex. In<br />
these instances all cylinders,<br />
irrespective of their MK/GMK group,<br />
are controlled by one key known as<br />
the great grand master key.<br />
Grand Master Key Suites (GMK)<br />
GMK (grand master key)<br />
MK (master key)<br />
Grand master key installations are<br />
used when it is necessary to have<br />
more than one MK group within the<br />
same buildings complex. In these<br />
instances all cylinders irrespective of<br />
their MK group, are controlled by one<br />
key known as the grand master key.<br />
150<br />
ARRONE<br />
ARCHITECTURAL LOCKCASES & CYLINDERS
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