JVC DZ-VCA3U manual Inspection and maintenance, Camera Head Section, Phenomena peculiar to CCDs

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Precautions (Continued)

Inspection and maintenance

1.The product and its components must be inspected regularly by a specialist. (The product should be inspected once a year).

2.When reusing the product after it has not been used for one month, check first if it operates normally and safely before you reuse.

Camera Head Section

1.Leave installation of the product to a specially trained service personnel.

2.Connect the optional endoscope adapter DZ-E3U or DZ-E33U to lens mount of camera head.

Remove the cap from the lens mount (when cap is con- nected to the lens mount), align the screws of lens mount and endoscope adapter and turn the lens mount clockwise to tighten it.

Adapter

Endoscope

To Camera control unit

3.When the equipment is purchased, it is not yet sterilized. Endoscope adapter, camera head, and cable, and insula- tion rubber have to be sterilized at the hospital before use. For the method and condition of sterilization, refer to page 6.

4.The lens of the endoscope adapter may collect moisture due to the difference of inner and outer temperature/ humidity. Refer to the operating manual of the endoscope adapter when this problem occurs.

Phenomena peculiar to CCDs

Pale, vertical streaks appear in the picture.

Monitor screen

High-intensity subject (electric light, lamp, the sunlight, etc.)

The following CCD-related phenomena may appear on the view screen during shooting.

These are caused by the CCD and are not malfunctions.

Smear phenomenon

Occurs when a high-intensity subject is shot.

Aliasing distortion

Striped patterns or lines appear as jagged patterns.

White or colored luminescent spot

When this unit is operated for a long time under high temperature, a white or colored luminescent spot may appear on the screen. In this case, it is necessary to lower the environmental operating temperature.

When a moving subject is shot, lines and patterns may appear jagged.

Product disposal

Always sterilize the product before disposal (refer to page 6 ). When disposing the product, environment problems must be taken into consideration, and local regulations and laws pertaining to its handling must be strictly adhered to.

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Contents DZ-VCA3U Contents Feature Standard constructionCart information Power connectionApplications Safety precautions Please Read Before UseImportant product safety instructions Damage Requiring Service Replacement PartsSafety Check ServicingHandling precautions PrecautionsSafety precautions Inspection and maintenance Camera Head SectionPhenomena peculiar to CCDs Product disposalVHS ConnectionsHead Camera camera cable connector Menu control section Mode control sectionName of parts and their functions Camera control unit front panelHD OUT video signal output section Camera cable connector plug Connect to camera control unitCamera control unit rear panel Ntsc Output Ntsc output sectionGain switch Adjust volumeOutput level control section Gain UP/GAIN Down buttonWhite balance control section White Balance switchSetting button B button Freeze button Enhance buttonBAR button Menu of this device has 3 screens Sync menu White balance adjustment Auto Basic operationManual White BalanceMenu Setting CCUDZ-VCA3U SR-W7MAU W-VHS DT-V1900CGUConnector Camera head input/output connectorDocuments Class II EquipmentSpecifications Camera control unit sectionCamera head Camera control unitOptional Equipments Isolation transformer AA-V31UHD monitor DT-V1900CGU Endoscope Adapter DZ-E3UWarranty and after-sales-service DZ-VCA3U