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Appendix
Precautions
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.
The fan and battery are consumable parts that will need
periodic replacement.
When operating at room temperature, a normal replacement
cycle will be about 5 years.
However, this replacement cycle represents only a general
guideline and does not imply that the life expectancy of these
parts is guaranteed. For details on parts replacement, contact
your dealer.
The life expectancy of the electrolytic capacitor is about
5 years under normal operating temperatures and normal
usage (8 hours per day; 25 days per month). If usage exceeds
the above normal usage frequency, the life expectancy may
be reduced correspondingly.
Operating environment
• Avoid high-temperature rooms and near sources of heat.
• Do not place in locations with strong electric or magnetic
field.
• Dry location with good ventilation.
• Avoid locations exposed to sunlight or strong lighting.
Avoid violent impacts
Dropping the unit, or otherwise imparting a violent shock to it,
is likely to cause it to malfunction.
Do not cover with cloth
While the unit is in operation, do not cover it with a cloth or
other material. This can cause the temperature to rise, leading
to a malfunction.
After use
Set the POWER switch to the OFF position.
Care
If the body or panels of the unit become dirty, wipe them with
a dry cloth. For severe dirt, use a soft cloth steeped in a small
amount of neutral detergent, then wipe dry. Do not use volatile
solvents such as alcohol or thinners, as these may damage
the finish.
To prevent electromagnetic interference from
portable communications devices
The use of portable telephones and other communications
devices near this unit can result in malfunctions and
interference with audio and video signals.
It is recommended that the portable communications devices
near this unit be powered off.
Digital Triax Transmission (HDCU3170)
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 ms to 12 ms.
• 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.
• An appropriate delay is applied to the MIC 1 and 2 audio
signals from the CCU to match the video delay.
• A certain time is required for the video signal transmitted
between the camera and the CCU to stabilize after power is
applied. This is not a malfunction.
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 CCU) and cable degradation.
Allowable transmission range when using triax cables with the
following characteristics:
Attenuation: 3.8 to 68.4 dB at 100 MHz (including the
connector loss)
Cable type (example)
Fujikura
8.5 mm dia.
Fujikura
14.5 mm dia. 1800 m (5906 ft)
Belden 9232
13.2 mm dia. 1300 m (4265 ft)
Error Messages
When an error is detected in this unit or the camera, the
ALARM indicator turns on and an error message is displayed
on this unit.
Error Messages
CCU:XXX POWER ERROR
CCU:XXX PLD ERROR
CCU:XXX TEMP WARNING
CCU:OPTICAL CONDITION OK Light sensor level on CCU side
CCU:OPTICAL CONDITION
WARNING
CCU:OPTICAL CONDITION
CARE
CCU:OPTICAL CONDITION
ERROR
CCU:PS FAN STOP
CCU:PS CABLE SHORT
CCU:PS CABLE OPEN
47
Max. distance
Min. distance
900 m (2953 ft)
50 m (164 ft)
100 m (328 ft)
75 m (246 ft)
Description
Board power supply error (XXX
is the board name)
PLD error (XXX is the board
name)
Board temperature error (XXX is
the board name)
dropped
Power supply block FAN error
CAMERA connector optical fiber
cable/triax cable short-circuit
connection error
CAMERA connector optical fiber
cable/triax cable open-circuit
connection error
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