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Chapter 4: CODE Lack Secwity
Chapter 4: CODE Lock Security
The ST50 Plus range incorporates an anti-theft feature called ‘CODE
Lock’. Designed to protect individual instruments or complete systems in
vulnerable areas, ‘CODE Lock is a four digit number that you programme
into the permanent memory of a selected ‘master’ instrument.
Note: A ‘master’ instrument is a digital unit on which the code number can
be entered, and then, if part of an integrated system, transmitted to other
ST50 Plus instruments.
0
e
This
facility
means that, should a CODE Locked instrument be removed
from the vessel without your permission, it cannot be operated without the
four digit security number.
‘CODE Lock can be used in one of three modes:
Model:Off
As it leaves the factory ‘CODE Lock’ is set to off. In this mode the instru
*
ment will operate normally when it is switched on, however, the unit will not
be protected by the anti-theft feature.
Mode 2: ‘CODE Lock’ Once-Only Entry (page 23)
This mode is designed for systems with a digital ST50 Pius instrument in a
safe, belowdecks location. This instrument can then be used as a
‘master’ to enter the four digit code number and, when the power is
switched on, automatically transmit the code to all the instruments in the
system. The advantage of this mode is that, with the master safely below
deck, code entry via the keypad is a onceonly operation on installation.
Master
Unit
t
Power
Once ‘CODE Lock’ is set the system operates normally as soon as the
power is switched on. In other words, the ‘CODE Lock security is invisible.