6
Maintenance
䡵
Turn off the power before performing any maintenance.
䡵
Wipe the external cabinet of the unit with a soft cloth. Do not
wipe the body with benzene or thinner. Doing so may cause the
surface to melt or turn cloudy. When it is extremely dirty, soak the
cloth in a solution of neutral detergent, wipe the body with it, and
then use a clean cloth to remove the detergent.
Batteries
䡵
The following batteries can be used on this unit.
GY-HM790CHU/GY-HM790U : Dionic90 (Anton Bauer)
GY-HM790CHE/GY-HM790E : Endura-HL9 (IDX)
* Models with an E suffix are for the European market and
the UL Listing mark is not applicable.
䡵
Make use of the recommended batteries. Heavy batteries
may fall off if not used correctly.
Regular Inspection (Maintenance)
Under normal environment, dust will accumulate on the
camera recorder when it is used over a long period. Dust
may enter the camera recorder especially if it is used
outdoors. This may affect the image and sound
q
uality of the
camera recorder. Check and replace the fan after every 9000
hours (suggested guideline).
You can check the usage time of the fan in the [Others]
menu
B
[System Information]
B
[Fan Hour]. (
If the fan is used for more than 9000 hours without
replacement,
A
FAN MAINTENANCE REQUIRED
B
will be
displayed every time you turn on the power.
SDHC Cards
Use an SDHC card (4 GB to
3
2 GB) with Class 6 or higher
performance.
Using cards other than those from Panasonic, TOSHIBA or
SanDisk may result in recording failure or data loss.
Others
䡵
Do not insert objects other than the memory card into the
card slot.
䡵
Do not block the vent on the unit.
Blocking of the vent causes internal heating and may lead to
burns and fires.
䡵
Do not turn off the [POWER] switch or remove the power
cable during recording or playback.
䡵
The camera recorder may not show stable pictures for a
few seconds immediately after the power is turned on, but
this is not a malfunction.
䡵
When the video signal output terminals are not in use, put
on the covers to prevent damage to the terminals.
䡵
Do not drop this unit or subject it to strong impact or
vibration as it is a precision e
q
uipment.
䡵
Optical performance of lens
Due to the optical performance of the lens, color divergence
phenomena (magnification chromatic aberration) may occur
at the periphery of the image. This is not a camera
malfunction.
LCD Monitor and Viewfinder
䡵
The LCD monitor and viewfinder screens are
manufactured using high-precision technology. Black spots
may appear on the LCD monitor and viewfinder screens, or
red, blue, and/or white spots may not disappear. However,
this is not a malfunction and these spots are not recorded on
the SDHC card.
䡵
If you use this unit continuously for a long period of time,
the characters displayed in the viewfinder may temporarily
remain on the screen. This is not recorded on the SDHC
card. They will not appear after you turn the power off and
then on again.
䡵
If you use this unit in a cold place, the images may appear
to lag on the screen, but this is not a malfunction. Retained
images are not recorded on the SDHC card.
䡵
Do not press against the surface with force or subject it to
strong impact. Doing so may damage or break the screens.
䡵
Noise may appear in the viewfinder when switching
between the live video and playback images.
Due to the characteristic of the viewfinder display device,
colors may appear on the images when you blink your eyes.
This is not a malfunction. It does not affect the recorded
images, SDI output, or component output.
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