Chapter 6 Maintenance and inspections

6-1 Inspections prior to shooting

Before setting off for a shooting session, perform the following inspections to verify that the system is functioning correctly. It is recommended that a color video monitor be used to check the images.

6-1-1 Preparation for inspections

1 Insert a fully charged battery.

2 Set the POWER switch to ON, and check that the HUMID display has not come on and that at least 5 segments of the BATTERY display are lighted.

≥If the HUMID display has come on, wait until it goes off.

≥If fewer than 5 segments of the BATTERY display have lighted, replace the battery with one having an adequate charge.

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3 Check that there are no cables near the cassette holder or top panel, and then press the EJECT button to open the cassette holder.

4 After checking the following points, insert the cassette tape and close the cassette holder.

≥The cassette tape must not be set to the accidental erasure prevention mode.

≥There must be no tape slack.

≥The tape must be free from condensation.

6-1-2 Inspecting the camera unit

1

Set the zoom to the motorized zoom mode, and check its

 

 

operations in this mode.

 

 

Check that the image changes when the zoom is set to

 

 

the telephoto and wide-angle positions.

 

2

Set the zoom to the manual zoom mode, and check its

 

 

operations in this mode.

 

 

Turn the manual zoom lever, and check that the image

 

 

changes when the zoom is set to the telephoto and wide-

 

 

angle positions.

 

3

Set the aperture to the auto adjustment mode, point the

 

lens at some objects with different brightness levels, and

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check that the auto aperture adjustment works.

4

Set the aperture to the manual adjustment mode, turn the

 

 

 

aperture ring, and check that the manual aperture is

 

 

adjusted.

 

5

While holding down the auto instantaneous aperture

 

adjustment button, point the lens at some objects with different brightness levels, and check that the auto instantaneous aperture adjustment function works.

6 Return the aperture to the auto adjustment mode, switch

the GAIN switch setting to L, M and H, and check that:

≥The aperture is adjusted for objects of the same brightness level in tandem with the switching of the gain setting.

≥The gain displayed on the viewfinder screen is switched in tandem with the switching of the gain setting.

7 When a lens with an extender has been installed, set the extender to the operating position, and check that it works properly.

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