ANNEX B - CCTV DETAILS
61
B 1.3
OPM AND ALARM TEST INFORMATION
The OPM test and alarm test (AT) have their own sections of the text overlay to report status. The
OPMMODE (<O>) field shows the current OPM operating mode, automatic or manual.
Fig. B-3 Shows the position of OPM/AT information fields on the text overlay.
The top of the text overlay gives the basic identity and location information which are displayed as
described for the quiescent state above. The log counter will be displayed when an event occurs
to show where it is held it is recorded in the internal log.
The OPM/AT operation field displays alternating messages to show progress and how the test was
initiated. This field can also give a prompt when a regular alarm test is due; this is triggered by a
timer set by configuration. The following messages are displayed:
If the OPM test determines that the window is clean then the overlay returns to the quiescent
condition.
However, if the OPMtest fails then the Serial Number and a message describing the problem are
displayed on two lines of the overlay.
OPM/AT Message
Description
“MANUAL OPM TEST” /
“IN PROGRESS”
An OPM test is in progress; initiated manually using the walk-test
tool, wired input or network.
“AUTO OPM TEST” /
“IN PROGRESS”
An OPM test is in progress; initiated automatically at the config-
ured regular time interval.
“ALARM TEST” /
“IN PROGRESS”
An alarm test is in progress; initiated manually using the walk-test
tool, wired input or network.
WALK TEST DUE
A reminder that the regular alarm test should be performed. This
is a configurable option.
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F l a m e V i s i o n
< O P M / A T O P E R A T I O N >
< L O C A T I O N A N D I D E N T I T Y >
< S e r . N o . n n n n n / y y >
< O P M : C O N D I T I O N >
<D>
<W>
<M>
<O>
< L o g C o u n t e r >
Fig. B-3
OPM/AT Operation Overlay
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