20
Siemens Building Technologies
Fire Safety & Security Products
10.2008
6.8
Quad card VIS3-QUAD
CAUTION
Only service personnel should open the VIS3I-328, after first disconnecting the
mains power supply.
Fig. 8
Quad card (VIS3-QUAD)
Purpose
Displays four pictures on a single video output in real time, with each segment
controllable as a separate monitor number (see chapter 4 Details for ordering).
Installation in unit
z
One or two cards may be fitted.
z
If only one card is fitted, it may occupy either of the internal option card slots.
z
The output connectors on the rear panel are in the same position when viewed
from above as the cards they serve.
z
See chapter 7 Installation.
Specification
z
Accepts PAL color or CCIR monochrome cameras
z
24 bit color digital video
z
50 fields/sec display with 768
×
625 pixel resolution (PAL)
z
1 multi-segment output that displays the four inputs in quad format in a specified
order, or any one input as full-screen
z
Each segment can be independently frozen
z
16 – 4 multiplexer on the inputs allows the quad to pick up any four of the
available monitor outputs
z
Separate composite and S-Video outputs, available on the rear panel
z
Time base correction of video inputs ensures high quality pictures without the
need for external camera synchronization
z
Each picture segment is frozen when the input source is switched, in both full
screen and quad mode, to prevent picture roll
z
All the video inputs have AGC to preserve clear images independent of
differences in input levels
z
Color text insertion on the monitor output, with texts supplied by the control card
z
Dedicated self-test failure alarm per card.
