TOA Electronics Security Camera C CV24 2 NTSC User Manual

INSTRUCTION MANUAL  
COLOR DOME CAMERA C-CV24-2 NTSC  
C-CV24-2 PAL  
TABLE OF CONTENTS  
1. SAFETY PRECAUTIONS .......................... 2  
2. GENERAL DESCRIPTION ........................ 3  
3. HANDLING PRECAUTIONS ..................... 3  
4. NOMENCLATURE ..................................... 4  
5. INSTALLATION  
7. ADJUSTMENT ............................................ 9  
8. ABOUT THE MODE SETTING SWITCH  
8.1. Adjustment Switch .............................. 10  
8.2. Backlight Compensation Switch ......... 10  
8.3. Shutter Speed Switch ......................... 10  
9. IF YOU THINK THERE IS A FAILURE:  
(TROUBLESHOOTING) .......................... 11  
10. SPECIFICATIONS .................................... 12  
Optional Products ...................................... 12  
5.1. Coaxial Cable Preparation  
and Termination .................................. 5  
5.2. Installation ............................................ 5  
6. CONNECTIONS .......................................... 8  
Thank you for purchasing TOA’s Color Dome Camera. Please carefully follow the instructions in this  
manual in order to ensure long, trouble-free use of your color camera.  
 
NTSC version complies with Part 15 of the FCC Rules.  
Note  
This equipment has been tested and found to comply with the limits for a Class A digital device,  
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection  
against harmful interference when the equipment is operated in a commercial environment. This  
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in  
accordance with the instruction manual, may cause harmful interference to radio communications.  
Operation of this equipment in a residential area is likely to cause harmful interference in which case the  
user will be required to correct the interference at his own expense.  
Modifications  
Any modifications made to this device that are not approved by TOA Corporation may void the authority  
granted to the user by the FCC to operate this equipment.  
Underwriters Laboratories Inc. (UL) has not tested the performance or reliability of the security aspects  
of this product. UL has only tested for fire, shock or casualties as outlined in UL's Standard(s) for  
Safety. UL Certification does not cover the performance or reliability of the security hardware and  
security operating software. UL MAKES NO REPRESENTATIONS, WARRANTIES OR  
CERTIFICATIONS WHATSOEVER REGARDING THE PERFORMANCE OR RELIABILITY OF ANY  
SECURITY RELATED FUNCTIONS OF THIS PRODUCT.  
2. GENERAL DESCRIPTION  
The C-CV24-2 Color Dome Camera is an indoor-use camera and is equipped with a high-resolution camera  
and lens. It is designed to operate on 24 V AC or 12 V DC, which are supplied by an external power supply  
unit. Since its 2X vari-focal, auto-iris lens is built inside the camera, its angle of view can be manually  
adjusted.  
3. HANDLING PRECAUTIONS  
• Do not point the camera toward the sun or other strong lighting or reflected light.  
• Avoid jarring or striking the camera, as the camera may fail.  
• Install the camera in locations where the temperature range does not exceed –10°C to +50°C, and no dew  
condensation is formed.  
• To clean, wipe with a soft, dry cloth. Never use benzene, thinner or chemically-treated towel to avoid  
damage to the camera’s finish.  
• To clean the lens, use a camera blower or lightly wipe with lens cleaning paper.  
• Picture quality may suffer if camera cables are wired close to other electrical equipment, such as fluorescent  
lamps. In such cases, reroute the wiring.  
• Monitor screen pictures may become distorted or roll if the camera is used in locations influenced by strong  
electrical or magnetic fields from television transmission antennas, motors or transformers. In such cases,  
install the cables inside sheet steel cable conduit.  
• Do not install the camera in locations where solvents or chemicals are used, as exposure to such chemicals  
could damage the dome cover finish.  
• Use the external power supply unit of the following rating when the camera is operated on 12 V DC.  
12 V DC, over 1.0 A  
3
 
4. NOMENCLATURE  
[Bottom view]  
[Top view]  
2
OFF ON  
F.ADJ  
IRIS  
1/100  
BLC  
1/60  
3
1
5
4
[Side view]  
[Side view of the camera with a dome cover]  
7
8
9
11  
10  
6
(1) Power input terminal  
(24 V AC or 12 V DC)  
(6) Vari-focal lens  
(7) Zoom ring  
(2) Video output terminal  
(8) Zoom ring fixing screw  
(9) Focus ring  
(3) Monitor output terminal  
(RCA pin jack)  
(4) Mode setting switch  
(5) Iris control  
(10) Focus ring fixing screw  
(11) Dome cover  
4
 
5. INSTALLATION  
5.1. Coaxial Cable Preparation and Termination  
13  
3C-2V Type  
1. Strip the cable jacket 13 mm from the cable end.  
2. Fold back the shields over the cable, then strip the insulator 8 mm from the  
cable end.  
8
10  
13  
5C-2V Type  
1. Strip the cable jacket 23 mm and the shields 13 mm from the cable end.  
2. Strip the insulator 8 mm from the cable end.  
8
7C-2V Type  
Connect an intermediate length of 5C-2V cable between the end of the 7C-2V  
cable and the camera.  
5.2. Installation  
1. Determine the installation method.  
1-2. Open wiring  
1-1. Unexposed wiring  
Cut out the thin camera section shown below  
using a pair of nippers.  
Using the installation hole gauge, make a  
cable entry hole in the ceiling.  
Camera mounting hole  
30 mm  
Camera outside diameter  
Ø118 mm  
Cut out using a pair of nippers.  
Cable entry hole  
Ø35 mm  
Camera direction  
5
 
2. Connect the coaxial cable to the Video output Terminal, and the power supply cable to the Power Input  
Terminal.  
3. Mount the camera to the ceiling or wall using 2 mounting screws.  
Because the mounting screws are not supplied with the camera, prepare appropriate screws for the  
application. (Use screws that are over 4 mm in nominal diameter and longer than 25 mm.)  
Ceiling mounting  
Wall mounting  
: Orient the  
which the camera is to be pointed.  
: Orient the mark located on the camera’s bottom surface up (toward the ceiling).  
mark located on the camera’s bottom surface toward the direction in  
Coaxial cable  
Camera output terminal  
Mounting screws  
Power supply  
cable  
mark  
Power input  
terminal  
Camera direction  
Note  
Ensure that the mounting screws are set securely  
in their corresponding camera mounting holes.  
Be sure to use the optional ceiling bracket whenever the ceiling panel  
material seems too weak to securely mount the camera.  
WARNING  
4. Adjust the camera’s angle of view and focus, then attach the dome cover.  
4-1. Align the camera head assembly with the inner cover.  
Note the position of the  
mark on the camera head assembly (indicated in the figure as "3" in the "R" range),  
and align the camera’s scale with that of the inner cover.  
Inner cover  
mark  
Rotate the inner cover to the "R" range,  
and align the mark with scale indicator "3."  
mark Camera head assembly  
6
 
Inner Cover Adjustment  
Note: Take care not to touch the dome cover window (transparent section) during adjustment.  
1. Hold the dome cover so that the  
mark is positioned as shown in the figure below.  
2. Rotate the dome inner cover with the thumbs of both hands to align the scale.  
3. Attach the dome cover to the camera.  
Mark  
Inner cover (black)  
Dome cover  
7
 
4-2. Attach the dome cover to the camera by aligning the dome cover’s alignment mark with the camera’s  
mark and then rotating the cover clockwise.  
(Be sure that the dome cover’s alignment mark is properly aligned with the camera’s alignment mark.)  
mark  
Alignment mark  
Alignment mark  
About the alignment marks  
The dome cover has two alignment marks. Note that the mark to be aligned with the camera’s  
depending on whether the camera is being mounted on a wall or ceiling.  
mark differs  
Dome cover external view (as supplied from the factory)  
Camera window  
Front alignment mark  
Rear alignment mark  
• Ceiling mounting : Align the front alignment mark with the camera’s  
• Wall mounting : Align the rear alignment mark with the camera’s  
mark.  
mark.  
6. CONNECTIONS  
Note: If the Video output is not terminated at 75 , video pictures are not properly displayed.  
Make sure that the output has been terminated at 75 at the connected monitor or switcher.  
Monitor  
: BNC plug  
Video input  
Video output  
24 V AC or 12 V DC  
Use the external power supply unit of the following rating when  
the camera is operated on 12 V DC.  
12 V DC, over 1.0 A  
8
 
7. ADJUSTMENT  
1. Switch on the camera power after completing camera connections.  
Power is supplied to the camera.  
2. Normally,set the Shutter Speed switch to "1/60"(NTSC) or "1/50"(PAL) position.  
Flickering of the picture may interfere with the view under fluorescent lamp in the area with power frequency  
of 50 Hz(NTSC) or 1/60(PAL). In such cases, set the switch to "1/100"(NTSC) or "1/120"(PAL) position, and  
the image free from flickering can be obtained.  
Note  
If the Shutter Speed switch of the Mode Setting switch is set to the ON position, sensitivity is reduced  
compared to operation in the OFF position. When using the camera in a dark location, or where light flicker is  
not an annoyance, set the switch to the OFF position.  
3. Connect the monitor to the Monitor Output terminal to permit a picture to be viewed on the monitor.  
4. Adjust the camera angle.  
Camera angle can be adjusted for up to 130º(± 65º) for horizontal rotation, for up to 140º(± 70º) for vertical  
rotation, and for up to 180º(± 90º) for picture tilting.  
Horizontal rotation ± 65º  
Vertical rotation ± 70º  
Zoom ring fixing screw  
Zoom ring  
Focus ring  
Focus ring fixing screw  
Vari-focal lens  
Picture tilting ± 90º  
5. Adjust the angle of view with the Zoom ring and adjust the focus with the Focus ring for the best possible  
picture reproduction. After lens adjustment completion, tighten both the Zoom ring fixing screw and the  
Focus ring fixing screw.  
Notes  
• Since the Iris control is factory-preset to an optimum position for general use, avoid tampering with it in  
normal conditions. Turning the control unnecessarily could cause reduced picture quality or equipment  
failure. When the Iris control needs to be readjusted to match a specific subject, first set both the Adjustment  
switch and the Backlight Correction switch of the Mode setting switch to the OFF position, then adjust the  
control to an optimum level. After adjustment, place a hand over the lens for several seconds and then  
release to check the lens for correct iris operation.  
• If the focus is adjusted for a subject under good lighting conditions, the subject may go out of focus when  
conditions become dark. To avoid this, adjust the lens focus after setting the Adjustment switch of the Mode  
setting switch to the ON position. Be sure to switch it back to the OFF position after completing lens  
adjustment.  
6. Attach the dome cover to the camera after completing all necessary adjustments.  
9
 
8. ABOUT THE MODE SETTING SWITCH  
Set the Mode Setting switch for the best possible picture reproduction depending on installation conditions.  
Mode Setting Switch  
(Factory-preset setting)  
OFF ON  
Adjustment switch  
Backlight Compensation switch  
Shutter Speed switch  
(NTSC) 1/60  
(PAL) 1/50  
1/100  
1/120  
OFF ON  
F.ADJ  
IRIS  
BLC  
1/60  
1/100  
8.1. Adjustment Switch  
Set this switch when adjusting the lens focus.(Provides the same effect as when using the ND filter.)  
OFF ON  
Standard position :  
Set to OFF after lens adjustment completion. Set to this position during normal use.  
OFF ON  
Adjustment position (during adjustment) :  
Use this position when focusing the lens. If the focus is adjusted for a subject under  
good lighting conditions, the subject may go out of focus when conditions become  
dark. Set the Adjustment switch to ON only when performing focus adjustment.  
Note: The color of the screen may periodically vary under fluorescent lighting when the  
Adjustment switch is set to ON.  
8.2. Backlight Compensation Switch  
Set this switch so that the subject is not displayed in black when backlit.  
OFF ON  
Standard position :  
Set to this position during normal use. Backlight Compensation function does not  
operate when the switch is set to this position.  
OFF ON  
Backlight Compensation position (when backlit) :  
This position prevents images from being displayed in black when the image is  
backlit.  
8.3. Shutter Speed Switch  
Set this switch to the ON position when annoying screen image flicker is detected.  
OFF ON  
Standard position :  
Set to this position during normal use.  
Shutter Speed position :  
OFF ON  
Annoying screen flicker may result under fluorescent lighting in areas operating with a  
power frequency of 50 Hz (NTSC) or 60 Hz (PAL). In such cases, set the Shutter  
Speed switch to the ON position to permit a flicker-free picture to be viewed.  
Note: If the Shutter Speed switch is set to the ON position, sensitivity is reduced compared  
to operation in the OFF position. When using the camera in a dark location, or where  
light flicker is not an annoyance, set the switch to the OFF position.  
10  
 
9. IF YOU THINK THERE IS A FAILURE: (TROUBLESHOOTING)  
Possible Cause  
• The monitor’s power switch is not  
set to ON.  
Symptom  
Camera images are  
not displayed on the  
monitor.  
Remedy  
• Turn on the power switch.  
• Cables are not correctly connected.  
• The BNC plug is not correctly  
soldered.  
• Connect correctly.  
• Solder correctly.  
• Power is not supplied to the  
camera.  
• Switch on the power.  
• The lens is not properly focused.  
• The lens is dirty.  
Pictures are not clear.  
• Adjust the lens.  
• Wipe the lens.  
• Monitor image black level is not  
correctly adjusted.  
• Adjust the level correctly.  
• The Adjustment switch is set to the  
ON position.  
The color of the picture  
periodically varies.  
• Set the Adjustment switch to the OFF  
position.  
11  
 
10. SPECIFICATIONS  
Model No.  
C-CV24-2 (NTSC)  
24 V AC, 50/60 Hz, or 12 V DC  
2 W  
C-CV24-2 (PAL)  
Power Source  
Power Consumption  
Image Device  
1/4” IT-CCD  
Number of Effective Pixels 768 (H) x 494 (V), 380,000 pixels  
752 (H) x 582 (V), 440,000 pixels  
15.625 kHz (H), 50 Hz (V)  
Scanning System  
Scanning Frequency  
Monitor Output  
Video Output  
2:1 interlace  
15.734 kHz (H), 59.94 Hz (V)  
VBS1.0 V(p-p), 75 , RCA pin jack  
VBS1.0 V(p-p), 75 , M3 screw terminal  
Internal synchronization  
H: 480 lines (center), V: 350 lines  
48 dB  
Synchronizing System  
Resolution  
H: 470 lines (center), V: 410 lines  
3 lx (350 mV)  
S/N Ratio  
Minimum Illumination  
White Balance Mode  
Focal Length  
3 lx (50 IRE)  
ATW  
f=2.0 mm – 4.0 mm  
Maximum Aperture Ratio  
Iris  
1:1.4 – 1.8  
Automatic iris  
Angle of View  
Control Switch  
Other Functions  
Shutter Speed  
Operating Temperature  
Operating Humidity  
Finish  
105.1º– 53.2º(H), 77.4º– 39.8º(V)  
ON/OFF (for focus adjustment)  
Backlight compensation, Shutter speed, iris adjustment  
1/60,1/100 1/50,1/120  
+
10ºC to 50ºC  
Under 90% RH (no dew condensation)  
Case : ABS resin, light gray, Dome cover : Acrylic resin  
Dimensions  
ø118 x 97 (H) mm  
370 g  
Weight  
The specifications of this camera are subject to change without notice.  
Optional Products  
Ceiling mounting bracket  
Printed in Vietnam  
133-12-874-5E  
 

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