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14

Installation  Instructions

TROUBLESHOOTING

No Power/LED not lit.

Check Power LED switch (dipswitch M, figure 1), is in the ON position

Check power connections

Check power supply is working (use a camera that is known to be good)

No video.

Check Power (see above).

Check Video Output selector switch is set to the required output (dipswitch 14, figure 1)

Check BNC connections (use a camera that is known to be good)

Check Lens. Remove lens, if video present, fault with lens.

Manual Iris -

Is iris closed ?

DC Iris

-

Check Auto iris lens selector switch (dipswitch 5, figure 1) is set to DC

Increase DC level

Check wiring connections

Try lens on another camera or known good lens on camera

Video Iris

-

Check Auto iris lens selector switch (dipswitch 5, figure 1) is set to AI

Increase level on lens

Check wiring connections

Try lens on another camera or known good lens on camera

Dark picture

Check lens iris (see above)

Check coax termination is 75

W

Picture noise/grainy during daylight operation

Check lens iris level with AGC function disabled (dipswitch H, figure 1)

Picture too bright

Manual Iris -

Switch electronic iris ON (dipswitch J, figure 1)

DC iris

-

Switch electronic iris OFF (dipswitch J, figure 1), reduce DC level

Video iris -

Switch electronic iris OFF (dipswitch J, figure 1), reduce level on lens

Picture not sharp (out of focus)

Adjust focus on lens

Adjust back focus (see 

Back Focus Adjustment

)

Picture goes soft (out of focus) in low light

Adjust focus under low light conditions or use a neutral density filter under normal lighting

conditions (see 

Back Focus Adjustment

)

Summary of Contents for ACC484TP

Page 1: ...DSP Series CCD Cameras Installation Instructions Read these instructions first ACM574TP ACM574TPX ACM575X ACC484TP ACC484TPX ACC485TPX...

Page 2: ...supply range Cameras must only be used in clean dry dust free environments unless housed in suitable protective housings to IP65 or better ELECTROMAGNETIC COMPATIBILITY EMC This is a class B product...

Page 3: ...eter 8 DD Lens Level Adjustment Potentiometer 8 DD Peak Average Adjustment Potentiometer 8 Auto iris lens Type Selector Switch Video Drive or Direct DC Drive 8 Auto iris lens Connector 9 Separated Y C...

Page 4: ...or blue removeable connector fitted to the back of the camera Option Mono Color Resolution TVL Sensitivity lux f1 2 CCD Sensor size Scanning system PAL Scanning system NTSC Digital Signal Processing D...

Page 5: ...sfer on off F Sharpness on off G Gamma selection H AGC on off J Electronic Iris on off K Backlight Compensation on off L Synchronisation select M Power LED on off 1 Peak White Inversion adjustment 2 L...

Page 6: ...the lens itself for a video drive type lens must be set to peak BACKLIGHT COMPENSATION The backlight compensation feature can be used to eliminate the effect of an area of strong background lighting...

Page 7: ...rker areas of a scene or 1 0 for a more linear response The default setting is 0 45 AUTOMATIC GAIN CONTROL AGC ON OFF The Automatic Gain Control feature can improve picture quality when the level of s...

Page 8: ...the lens iris opening is increased If the DC voltage is greater than the reference level the lens iris opening is decreased This control loop attempts to continually match the DC voltage derived from...

Page 9: ...witch TWISTED PAIR VIDEO OUTPUT TERMINALS SUFFIX TP CAMERAS ONLY These terminals provide a composite video output signal which may be transmitted over a twisted pair connection to equipment furnished...

Page 10: ...SMUSTBECONNECTEDTOAPROTECTIVEEARTHGROUND Ensure that a secure means of isolation from the mains is provided for the camera in accordance with the national wiring regulations of the country of installa...

Page 11: ...adjustment ring fully clockwise when viewed from the front see Back Focus Adjustment 2 Fit the lens to the camera 3 If the lens has a focussing ring fitted set it to infinity and then adjust the back...

Page 12: ...y or by using an oscilloscope to set the output of the camera to 1V peak peak 7 If the scene lighting conditions are extremely uneven it may be necessary to adjust the DD Peak Average potentiometer 4...

Page 13: ...c Gain Control AGC features is turned ON CAMERA MOUNTING Mounting points are provided on the top and bottom of the camera and are used to mount the camera on a bracket or tripod They are designed to a...

Page 14: ...Iris Check Auto iris lens selector switch dipswitch 5 figure 1 is set to AI Increase level on lens Check wiring connections Try lens on another camera or known good lens on camera Dark picture Check...

Page 15: ...System NTSC 525 lines 2 1 interlace PAL 625 lines 2 1 interlace Signal Processing Digital Signal Processing Auto Iris Lens Type Selectable for Direct Drive or Video Drive Video Output 1 Vp p 75 ohms...

Page 16: ...lding 388 Castle Peak Road Tsuen Wan New Territories Hong Kong www ademco com hk Tel 852 2405 2323 ADEMCO France Parc Gutenberg 13 Voie La Cardon P 0 91120 Palaiseau France www securityhouse nl Tel 33...

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