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Philips VSS2360/00T Service Manual page 20

12" black & white observation system vm6
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For the type numbers VSS2260/00R & 22MS605R & VS22605R
| Installation
When the configuration is altered, the system
| Operation
must be scanned again. Therefore always
Monitor
switch off the system by means of the rear
power switch when a camera or accessory is
added or removed. Only operating the power
save button is not sufficient.
Remark: Only the inputs to which cameras are connected
can be selected or used by the monitor. It is therefore
useless to connect
an accessory to an input to which no camera is connected.
Monitor
On the back of the monitor the following can be connected:
Cameras
Connect the camera to one of the camera inputs on the
back of the monitor (fig. B-2). Correctly directing the camera
at the object will be easier when the monitor is temporarily
installed at the camera site.
VCR
For the recording and reproducing of pictures and sound a
video recorder has to be connected to the input and output
(VCR-audio/video in/out) on the back of the monitor
(fig. B-2).
The VCR output can also be used to connect other
peripheral equipment. For example, a video printer for hard
copies.
Alarm contact
The alarm contact (make (N.O.) and break (N.C.)) of the
monitor (fig. B-2) can, for instance, be used to start up a
video recorder, siren or telephone selector.
Cable
A4-wire system cable (see specifications) is supplied as
standard.
For optimum picture and sound quality, a standard dual
'twisted-pair' (telephone) cable should be used.
There is an extensive range of plugs and tools available in
the hobby and professional trade to extend the cable.
Always ensure that the connection is made as shown in
figure D (page 19).
Caution: The plugs used for the observation system have
the same dimensions as standard telephone
plugs. Never connect a telephone to the camera
or system monitor.
The maximum distance that can be bridged between the
monitor and the cameras is 50 meters.
PCS 97 076 GB
System on/off
By means of the system button (fig. B-2) the system can be
switched on and off. When the system is switched off all the
camera LED's are off and the auto (sequence) LED flashes
periodical.
Remark: Use the system button to switch off the system
when a camera or accessory is added or removed.
Power save
By pushing the power save button (fig. B-1) the image and
sound on the monitor can be switched off, thus saving
power. When the system is in power save mode all the
camera LED's are off and the auto (sequence) LED is on.
Brightness/contrast
With the brightness (fig. B-1) and contrast knob (fig. B-1)
the picture can be adjusted to your personal preference or
to the ambient conditions.
Volume
With the volume knob the sound level can be adjusted
(fig. B-1).
Talk
By pushing the talk button (fig. B-1) the built-in microphone
(fig. B-1) in the monitor is switched on. The sound from the
microphone can be reproduced by means of an intercom
box (optional).
Auto sequence
The monitor switches slowly between the pictures (image +
sound) of.the connected cameras.
Remark: The auto button is only functional when:
- Camera mode is selected
- The observation system is enlarged to at least two
cameras.
By pushing the auto button (fig. B-1) the automatic
sequence function is started. The automatic interval
sequence time (auto sequence time) can be adjusted
between 4 and 60 seconds on the back of the monitor
(fig. B-2).
Camera selection
A maximum of four cameras can be connected to the
monitor. Choosing a camera is done with the camera
selection keys 1, 2, 3 and 4 (fig. B-1), the appropriate LED
lights up.
VCR

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