Appendix - Sony HDC2500 Operation Manual
Hd color camera
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Also See for HDC2500:
- Brochure (4 pages) ,
- Operation manual (84 pages) ,
- Technical information (73 pages)
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Appendix
Precautions
Note on laser beams
Laser beams may damage the CCDs. If you shoot a scene
that includes a laser beam, be careful not to let a laser beam
become directed into the lens of the camera.
Do not subject to severe shocks
Damage to the case or internal components may result.
When finished using
Set the power switch to OFF.
Operation and storage environment
Store in a level place with air conditioning.
If the unit gets wet, make sure it is completely dry before
storage.
Avoid use or storage in the following places:
• Extremely hot or cold places
• Places with high humidity
• Places with strong vibration
• Near strong magnetic fields
• In places where it receives much direct sunlight, or near
heating equipment
Condensation
If the unit is suddenly taken from a cold to a warm location, or
if ambient temperature suddenly rises, moisture may form on
the outer surface of the unit and/or inside of the unit. This is
known as condensation. If condensation occurs, turn off the
unit and wait until the condensation clears before operating
the unit. Operating the unit while condensation is present may
damage the unit.
Phenomena Specific to Image Sensors
Note
The following phenomena that may occur in images are
specific to image sensors. They do not indicate a malfunction.
White flecks
Although the image sensors are produced with high-precision
technologies, fine white flecks may be generated on the
screen in rare cases, caused by cosmic rays, etc.
This is related to the principle of image sensors and is not a
malfunction.
The white flecks especially tend to be seen in the following
cases:
– when operating at a high environmental temperature
– when you have raised the gain (sensitivity)
– when using the slow shutter
Vertical smear
When an extremely bright object, such as a strong spotlight or
flashlight, is being shot, vertical tails may be produced on the
screen, or the image may be distorted.
Monitor screen
Vertical tails shown on the image
Bright object (e.g., strong spotlight, strong
reflected light, flashlight, the sun)
Aliasing
When fine patterns, stripes, or lines are shot, they may appear
jagged or flicker.
To prevent electromagnetic interference from
portable communications devices
The use of portable telephones and other communications
devices near this camera can result in malfunctions and
interference with audio and video signals.
It is recommended that the portable communications devices
near this camera be powered off.
Digital Triax Transmission (HDC2570)
A powerful error-correction function is incorporated for the
transmission between the camera and CCU. However, if an
error occurs on long-distance transmission because of
external noise or for some other reason, the compensation by
interpolation that partially uses the previous picture may
operate.
In digital triax transmission, the following video delay in
transmission may occur:
• The video delay in transmission between the camera and
the CCU is approx. 9 msec to 12 msec.
• A delay of about 1 frame occurs on the viewfinder display if
a camera image is sent back from the CCU to the camera as
a return signal.
• The prompter video will delay approx. 3 frames. There will
be some changes in picture quality and active area, and
dropped frames may occur depending on the type of
prompter video.
• An appropriate delay is applied to the MIC 1 and 2 audio
signals from the CCU according to the video delay.
• It takes a certain time until the video signal transmitted
between the camera and the CCU becomes stable after
power is applied. This is not a malfunction.
Triax transmission distances
The maximum and minimum transmission distances allowed
for triax cable connection are shown in the table below. The
distances may vary according to the conditions, such as the
total power requirements (including the power supply to the
camera from the HDFX200) and cable degradation.
Allowable transmission range when using triax cables with the
following characteristics:
Attenuation: 3.8 dB to 53.2 dB at 100 MHz (including the
loss at connectors)
70
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