Alarm Operation Parameters; Beeper; Detection Trace; Detection Indicator - American Dynamics DuoTect-C AD1562 Installation And Operating Instructions Manual

Digital motion detector
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SETUP

Alarm Operation Parameters

The following paragraphs describe several parameters which
control the DuoTect-C response to detected alarms. The
channel setup menus, pages 10 and 12, provide procedures to
set these parameters in either of the setup modes.
The audio beeper provides an audible alarm when a motion
detection alarm is activated. The beeper is enabled or disabled
separately for each video channel. When alarms are enabled
and valid motion is detected in a cell, the audible alarm
indication sounds if it is enabled (ON).
When a loss of video is detected on a channel, the audio beeper
sounds intermittently. The beeper sounds even if it is disabled
(OFF) by the setup menus.

Detection Trace

Detection Trace is used to identify and follow detected motion
in Dynamic mode. When motion is detected in a cell, a white
dot is displayed in that cell. When motion is no longer
detected, the intensity of the dot gradually fades, through eight
levels of intensity, until the dot is the same level of intensity as
the input video. The rate at which the intensity fades is set
with the Trace Fade Rate parameter, page 7. When another
cell detects motion, this process repeats. This gives the
appearance of following the detected motion on the screen.

Detection indicator

In Guardian mode, when the current image in a zone changes
by a specified amount (View Obstruction setting, page 5), the
entire Detection Zone is filled with white dots in each cell.
The dots do not vary in intensity; they are removed when the
change in the image drops below the specified amount.

Alarm Mode

When valid motion is detected by the DuoTect-C, audible and
visible alarm indications are activated. The Alarm Mode
parameter of each channel determines the method of clearing
the alarms. The are three Alarm Mode clearance methods:
Instant (INS)
cell, the alarm automatically clears.
Auto (AUTO)
a 20 second delay, the alarm clears. This 20 second delay is
intended to catch any momentary type alarms.
Manual Acknowledge (MAN)
clearance of an alarm by pressing the ALARM button.
See Operation, page 17, for a further description of the Alarm
Clearance procedures for each of these modes.
Alarm codes are transmitted by the DuoTect-C to
Switcher/Controller via the RS-232 Output port (page 2). For
alarm processing in the Matrix Switcher/Controller, each video
channel must be assigned an Alarm Contact Number
The ACN range is from 1 to 1024 (the maximum ACN may be
less for certain Matrix Switcher/Controller systems).
To provide a valid ACN in the transmitted alarm codes, two
parameters must be established via the setup menus: AD
Contact Group and AD Contact Number.
The AD Contact Group specifies the range of ACN's that
may be assigned to either channel's alarm codes. There are
16 Groups, A through P. The AD Contact Group is set via
the Set System Parameters menu, page 7. The same value
is set for both video channels.
The AD Contact Number specifies the relative Alarm
Contact Number for each separate channel. This number,
from 1 to 64, is used with the AD Contact Group (above) to
determine the ACN for the Matrix Switching System. The
AD Contact Number may be set to different numbers for
each channel via the channel setup menus, pages 11 and 13,
providing separate ACN's within the same Contact Group.
The following table identities the valid ACN ranges for each
AD Contact Group value and AD Contact Number range.
AD Contact Grows and Numbers vs m
AD Contact Group AD Contact Number
A
B
C
D
E
F
G
H
I
J
K
L
M
N
0
P
For example, if the AD Contact Group is set to F and the AD
Contact Number is set to 5, the ACN transmitted in the alarm
code message is 325.
6
a Matrix
ACN Range
1 - 64
1 - 64
6.5 - 128
129 - 192
1 - 64
1 - 64
193 - 256
1 - 64
257 - 320
1 - 64
321 - 384
1 - 64
385 - 448
1 - 64
449 - 512
513 - 576
1 - 64
577 - 640
1 - 64
641 - 704
705 - 768
1 - 64
769 - 832
833 - 896
1 - 64
1 - 64
897 - 960
961 - 1024
1 - 64

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