JAI CV-M77 operation manual Appendix, Precautions, Typical CCD Characteristics, References

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CV-M77

12 Appendix

12.1 Precautions

Personnel not trained in dealing with similar electronic devices should not service this camera.

The camera contains components sensitive to electrostatic discharge. The handling of these devices should follow the requirements of electrostatic sensitive components.

Do not attempt to disassemble this camera.

Do not expose this camera to rain or moisture.

Do not face this camera towards the sun, extreme bright light or light reflecting objects. When this camera is not in use, put the supplied lens cap on the lens mount.

Handle this camera with the maximum care.

Operate this camera only from the type of power source indicated on the camera.

Power off the camera before any modification such as changes of jumper and switch settings are performed.

12.2 Typical CCD Characteristics

The following effects may be observed on images acquired by CCD cameras. They do not indicate any fault of the CCD camera function, but associate with typical CCD sensor characteristics.

12.2.1 Smear

Due to an excessive bright object such as car lights, the sun or strong reflection, vertical smear may be visible. This phenomenon is related to the characteristics of the Interline Transfer System employed in the CCD.

12.2.2 Aliasing

When the CCD camera captures stripes, straight lines or similar sharp patterns, jagged images may appear.

12.2.3 Blemishes

12.2.3.1.1.1.1Some pixel defects can occur. This does in general not have an effect on the practical operation.

12.2.4 Patterned Noise

When the CCD camera captures a dark object at high temperature or is used for long time integration, fixed pattern noise (shown as bright dots) may appear on the image.

12.3 References

1.This manual and the datasheet for the CV-M77 camera can be downloaded from www.jai.com

2.Camera control software is available from www.jai.com

3.Specifications for the ICX204AK CCD sensor can be found via www.jai.com

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Contents CV-M77 CV-M77 CV-M77 Camera Control Tool Specifications Configuring the camera using the serial interfaceSwitch Settings Jumper settingsPatterned Noise 12.3 General Standard Composition Main FeaturesCamera Housing and Dimensions Pin No Signal Remarks 12-pin Multi-connector DC-IN/SYNC6-pin Multi-connector RS 232C/TRIGGER Pin No 1.1 Signal Remarks9-pin DSUB-connector RGB/SYNC Input and Output Circuits Video inputHD and VD input Continuous operation Input/Output of HD/VD SignalExternal Trigger Mode Functions and OperationExtvd Exthd Pulse Width Control Trigger ModeLong Time Exposure Mode Frame-delay Readout ModeCV-M77 Timing diagram for Edge Pre-select mode Timing diagram for Pulse Width Control modeTiming diagram for Frame-delay Readout mode EEN WEN Timing diagram for Long Time Exposure modeCommand Protocol Configuring the camera using the serial interfaceMode Setting using Ascii commands via the RS-232C port Communication settingReceiving Data Camera-PC 1023RS232C Cable Connections Response to firmware version request command Example1 SW301 switch S301 Switch SettingsMode Settings by Switch Signals by Switch Settings2 SW302 switch S302 S302-1 S302-2 Color temperature3 SW303 switch S303 Jumper locations Jumper settingsPin Jumper tableCV-M77 Camera Control Tool Fig. Windows from the Camera Control Tools software Specifications Spectral sensitivity References PrecautionsTypical CCD Characteristics AppendixCamera type CV-M77 Revision Revision a Serial No …………… Users Mode Settings Users ModificationsUsers Record Index