Philips VCM7A79/00T Manuel utilisateur

Page

Introduction.............................................................................................................. 4

Connection and operation facilities ...................................................................... 5

Installation .............................................................................................................. 5

Camera position

Focus adjustment

Back-focus adjustment

Camera sound on/off

Outdoor use

Using a different lens .............................................................................................. 9

System cable .......................................................................................................... 10

Tips for maintenance ............................................................................................ 10

Colour Observation Camera

Table of contents

Read these instructions, before taking your system in operation.

This camera is especially designed for the colour Philips Observation Systems. It combines a high sensitivity

sensor with advanced digital signal processing, resulting in a high quality camera with excellent performance

under even difficult circumstances. The camera has a standard camera mount allowing installation on, for

example, a tripod or wall bracket.

Camera accessories:

The following camera accessories are available:

• Protective camera housing for protection against dust and theft

• Weather proof housing for outside use

• Extension system cables

• Mains power adapter for providing additional power to the camera at large distances

English

Introduction

1 Focus adjustment ring

2 Back-focus adjustment ring

3 Camera sound on/off

4 Auto-iris socket

5 Cable length compensation selector

6 System cable socket

7 External supply socket

This chapter describes the installation of the camera. For more detailed information about the installation

and operation of the system monitor you should consult the monitor manuals.

Remarks:

* When the system configuration is altered, the system monitor needs to check and memorise the cameras

and accessories connected to its inputs. This is done automatically when the power is switched on (rear

switch).

* This system uses a 4 wire twisted pair telephone type cable. The use of the correct twisted pair cable can

be critical to operation, especially at larger cable lengths.

Caution: Never touch the glass of the camera lens as this may cause damage.

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4 5

Connection and operation facilities

Installation

1. Take the camera, system cable and monitor to the area you want to observe (with the monitor on site, you

can check whether the camera covers the required area).

Remark: For outdoor use protective camera housing has to be used to protect the camera from rain and

snow.

2. Connect the camera to the system monitor (1).

3. Connect the system monitor to the mains (2).

4. Switch on the mains power switch (3).

The monitor will check the system. After a short time the camera image will appear on the monitor screen.

5. If necessary adjust contrast /brightness and/or colour (controls at the front of the monitor) to

optimise the camera image.

6. Hold the camera at the proposed installation position.

MW1999_COC_01.AI

power

1234

camera in

in out

VCR out

aux

video

audio

7. Check on the monitor

whether the camera covers

the required area (The best

results are obtained when

the camera is pointed

slightly downwards and is

not looking into a bright

light source). Adjust focus

if necessary.

8. Fasten the wall bracket (1)

to the wall, or another even

and firm surface.

9. Tighten the knob (2).

10. Fasten the camera to the

bracket (3).

11. Loosen knob (4) and screw

(5) slightly (figure below).

12. Direct the camera at the object or area you want to observe (8). Check the camera image on the monitor.

Adjust focus if necessary.

13. Tighten the knob (4) and screw (5) when the camera is in position.

14. Check if the cable length compensation (6) selector is set to the correct length. The length set must be the

same as the length of the system cable (0-300m/900ft max.) connecting monitor and camera.

Remark: If the length of the system cable is more than 200m/600ft, a mains power adapter (optional should

be used (the max. cable length is 300m/900ft). Connect the adaptor to the mains and to the external supply

socket (7) at the back of the camera.

1/4" 20 UNC

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300m

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Focus adjustment

•Adjust the focus ring of the camera lens to obtain optimal image sharpness.

Remark: If still no sharp object image is obtained, you should adjust the

back-focus of the camera.

Back-focus adjustment

Caution: Back-focus adjustment is only necessary when no sharp object

image is obtained with the focus adjustment ring.

• Set focus adjustment ring to Far or Infinity (1).

• Aim the camera at an object at least 15 metres/45 feet away.

Remark: When bright light sources are positioned within thecamera view field; dim the light source.

• Loosen the back-focus locking ring (2).

• Rotate the lens, including the CS-mount ring, until the video image on the monitor is sharp.

• Tighten the back-focus locking ring (2), while keeping the lens in place.

Camera sound on/off

Use switch (9) to enable or disable the built-in camera microphone.

Outdoor use

The camera switches to specific settings optimised for outdoor use

when connecting an auto-iris lens.

For outdoor use a protective cover has to be used to protect the camera.

When the camera is used outdoors an auto-iris lens is recommended.

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On Off

The CS-mount of the camera allows you to use other lenses. The field of view (= covered area) of

an 8mm lens is half of the field of view of the 4mm lens (see figure below).

The auto-iris lenses are recommended when the

camera is used in environments with variable light

conditions (eg. outdoors). By means of the auto-iris the

amount of light going through the lens is regulated.

The auto-iris is DC-controlled through a 4-pole

connector at the back of the camera (3).

Perform the following steps to change a lens:

• Point the camera downwards. This to minimize possible deposit of dust on the inside of the camera when

the lens is removed.

• Remove the old lens by turning it counter-clockwise (1).

Do not release the back-focus locking ring (2), otherwise

you may have to readjust the back-focus of the camera.

Caution: Never touch the CCD sensor which is located

at the inside of the camera. Only use clean, dry air to

blow particles from the surface of the sensor.

• Mount the new lens by turning it clockwise onto the lens

mount of the camera.

• Direct the camera at the object or area to be

monitored (6).

• Tighten the knob (3) and screw (4) when the

camera is in position.

• Adjust the focus ring (1) of the camera lens

to obtain an optimal image sharpness.

If an auto-iris lens is used, connect the auto-

iris cable to the camera (5). Switch the

system on and off to setup the camera with

specific outdoor settings.

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4 mm

8 mm

108640 2

Horizontal field of view in meters (V)

Focal length of the lens

Distance object to camera in meters (d)

Using a different lens

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For the interconnections between the

system monitor and camera 25m/75ft

system cable is supplied.

For an optimum picture and sound quality

you should always use 4-wire dual twisted-

pair cable when extending the connection.

The max. allowed cable length is

300m/900ft.

The cable and plugs are available in the

hobby and professional trade.

Pay attention that the connectors are fixed

to the cable corresponding to the figure.

If the cable length between the monitor and camera is more than 200m/600ft a mains power adapter should

be used (see accessories).

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.

Cleaning

You can clean the outside of the camera with a moist fluff-free cloth or shammy leather cloth.

When cleaning the camera lens a special cleaning cloth should be used. Do NOT use cleaning fluids based

on alcohol, methylated spirit, ammonia, etc..

Never touch the glass of the camera lens to prevent its delicate coating from damaging.

Avoid direct contact with water.

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4-5

2-3

4-5

2-3

System Cable

Tips for maintenance

Pick-up element 1/3" solid state CCD

Pixel elements 5 12 (H) x 582 (V), PAL interlaced, or 512(H) x 492 (V), NTSC

interlaced

Resolution 330 TVL

Gain control automatic

Lens See: Using a different lens

Iris Electronic iris

When connected, an auto-iris lens overrides the electronic iris.

Light sensitivity • 0.3 lux minimally acceptable picture with standard lens (F1.2)

at 3200K, transmission 86%, scene reflection 100%

• 0.5 lux, 50ire (-6dB) with standard lens (F1.2) at 3200K,

transmission 86%, scene reflection 100%

Scene illumination Not for continuous use above 2k lux with standard lens (F1.2)

For outdoor use an auto-iris lens is recommended.

Signal to noise ratio 48dB at 200-25000 lux, 25°C

White balance TTL range 2500-6500K

System connector (output) RJIIE plug

Microphone Built-in, can be switched off at the camera.

• Frequency range 300-3000Hz

Synchronisation The camera automatically synchronises to the system monitor.

Power supply 24VDC, when the system-cable length exceeds 200m/600ft a power-

adapter (24VDC, current limit 500mA) is required (available as

accessory)

Power consumption ≤3W

System-cable length max. 300m/900ft (when a mains power adaptor is used)

Dimensions 72,5 (H) x 70 (W) x 60 (D) mm (excl. lens)

Weight 190g

Connectors

• System cable RJ11E modular ("telephone" plug)

• External power Power jack

Auto-iris control 4-pole socket, passive Auto-iris, direct drive

Mounting 1/4" 20 UNC

Ambient temperature

• Operating -10 to +50°C

• Storage -25 to +70°C

Ambient humidity

• Operating 20 to 90% RH

• Storage up to 99% RH

Technical specifications

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The pin connections of the auto-iris connector are:

pin 1 = control coil -

pin 2 = control coil +

pin 3 = drive coil -

pin 4 = drive coil +

Ce manuel convient aux modèles suivants

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