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9.8 PRIORITIZING OPERATORS
As the system can be controlled by more than one keyboard at the same time, it is
sometimes possible to have a situation where a conflict of monitor access and PTZ
camera control arises.
The MAXPRO-Net system handles such conflicts by prioritizing all system operators.
There are a hundred (0 Ù 99) possible operator priority codes.
With the exception of priority code (0), the level of priority relates directly to numerical
code assigned (that is, 1= highest, 99= lowest). Priority code (0) indicates a special
right of access. It is one which always has an exclusive access right (higher access
level) over every other priority code (other than another 0).
CAUTION: The control of other system devices, like
VCRs, motion detectors, and so on, are also prioritized
accordingly.
The following table illustrates how the MAXPRO-Net System handles conflicts in operator
priorities when selecting monitors:
Priority conflict Operational Outcome
HIGHER verses LOWER The Higher priority operator displaces the Lower priority
operator from the monitor.
SAME priority levels Both operators have equal (and concurrent) access to the
monitor.
EXCLUSIVE verses ANY-OTHER The Exclusive priority operator always displaces Any-other
priority from the monitor (except for another exclusive
priority).
EXCLUSIVE verses EXCLUSIVE The first Exclusive priority operator will prevent the other
f
rom accessing the monitor, on a first in, first served basis.
Table 9.1: Settling Conflicts In Monitor Access
The above table also applies when controlling PTZ cameras, VCRs and other device,
even when the keyboard operators are selecting the same device on separate monitors.
WARNING: Control priorities are only asserted when a
keyboard control action occurs and not when the device
is selected for display.
Rev. A 9-4 HMXMU001056
03/16/05