Bosch LTC 8555 Manual de instrucciones descargar pdf (Pagina 31)

Bosch Security Systems | December 8, 2004

LTC 8100, LTC 8200, LTC 8300 Series | Instruction Manual | Alarm Information

11.0 ALARM INFORMATION

Automatically switching video in response to an external

signal (usually a contact closure) is necessary in any video

switching system. The Allegiant system permits users with

priority level 1 to select 1 of 3 predefined alarm response

modes (via keyboard User Function 19). A description of

the three modes appear below. Pictorial examples of

alarm responses are shown on the following pages.

The system can also be programmed with a variety of

alarm response characteristics using the flexible

VersAlarm system. See the LTC 8059/00 MCS for

Windows or the LTC 8850/00 GUI software manual

for details.

11.1Basic Alarm Response Mode

In BASIC alarm response mode, any/all monitors can be

selected as alarm display monitors. Each alarm can then

be armed to display its camera(s) on any set of armed

monitors. Multiple alarms, on the same monitor,

sequence at a 1 second rate. Monitors and alarms can be

armed and disarmed individually as required. Alarmed

video automatically clears when the alarm input signal is

reset.

11.2 Auto-Build Alarm Response Mode

This mode uses a set of (or all) monitors as alarm display

monitors. Each triggered alarm displays its alarm video

on a different monitor, starting with the lowest numbered

armed monitor. If all armed monitors are already

displaying alarm video, subsequent alarms will build on

the existing alarmed monitors. Each monitor sequences

through its alarm videos at a 1 second rate. Monitors and

alarms can be armed and disarmed individually, as

required. Alarmed video automatically clears when the

alarm input signal is reset.

11.3Sequence & Display

Alarm Response Mode

This mode designates two monitors as alarm response

monitors. Monitor #1 is the DISPLAY monitor (also

called a REVIEW monitor) and monitor #2 is the

SEQUENCE (or STEP) monitor. The first alarm will

appear on both monitors; additional alarms will begin to

sequence at a 1 second rate on the SEQUENCE

monitor. The DISPLAY monitor holds the first alarmed

camera video until manually acknowledged via the

keyboard. When the first video is cleared from the

DISPLAY monitor, the next alarmed video (next is the

camera that alarmed second) is displayed until cleared.

Operation continues in this manner. Alarms can be

armed and disarmed individually, as required. All alarms

must be manually cleared; the presence of alarm video is

not dependent upon the duration of the alarm input

signal to the system.

11.4 Alarm Activated Pre-Position

Alarm activated pre-position enables a pan/tilt/zoom-

equipped camera to automatically position itself to a

preprogrammed scene as a result of an alarm signal.

This capability exists in each of the three alarm response

modes. The pan/tilt and zoom on the camera must have

the necessary options for pre-position control. The system

default is to activate pre-position #16 of the system

camera receiving an alarm. Use the optional MCS for

Windows package or the LTC 8850/00 GUI software, to

configure the response to alarms as required by the user.

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