Hitachi Cp-Rx78 Users Manual

1
Projector
CP-RX78
User’s Manual (detailed) 
Operating Guide
Thank you for purchasing this projector.

SURGXFW%HVXUHWRUHDG³Safety Guide

1
About The Symbols
  Various symbols are used in this manual, the user’s manual and on the product
itself to ensure correct usage, to prevent danger to the user and others, and to
prevent property damage. The meanings of these symbols are described below.
It is important that you read these descriptions thoroughly and fully understand
the contents. Projector
User's Manual - Safety Guide
Typical Symbols
  This symbol indicates an additional warning (including cautions). An
illustration is provided to...

2
 Safety Precautions
WARNING
Never use the projector if a problem should occur.Abnormal operations such as smoke, strange odor, no image, no sound,
excessive sound, damaged casing or elements or cables, penetration of
liquids or foreign matter, etc. can cause a fire or electrical shock.
In such case, immediately turn off the power switch and then disconnect the
power plug from the power outlet. After making sure that the smoke or odor
has stopped, contact your dealer. Never attempt to make repairs...

3
WARNING
Be cautious of High temperatures of the projector.High temperatures are generated when the lamp is lit. It could result in fire or
burn. Use special caution in households where children are present.
Do not touch about the lens, air fans and ventilation openings during use or
immediately after use, to prevent a burn. Take care of ventilation.
• Keep a space of 30 cm or more between the sides and other objects such
as walls.
• Do not place the projector on a metallic table or anything weak in...

4
WARNING
Be careful in handling the light source lamp.The projector uses a high-pressure mercury glass lamp made of glass.
The lamp can break with a loud bang, or burn out. When the bulb bursts,
it is possible for shards of glass to fly into the lamp housing, and for gas
containing mercury to escape from the projector’s vent holes.
Please carefully read the section “Lamp”.
Be careful in handling the power cord and external connection 
cables.
If you keep using a damaged the power cord or cables, it can...

5
 Safety Precautions (continued)
CAUTION
Be careful in moving the projector.Neglect could result in an injury or damage.
• Do not move the projector during use. Before moving, disconnect the
power cord and all external connections, and close the slide lens door or
attach the lens cap.
• Avoid any impact or shock to the projector.
• Do not drag the projector.
• For moving the projector, use the enclosed case or bag if provided.
Do not put anything on top of the projector.Placing anything on the projector...

6
 Safety Precautions (continued)
NOTE
Do not give the remote control any physical impact.A physical impact could cause damage or malfunction of the remote control.
• Take care not to drop the remote control.
• Do not place the projector or heavy objects on the remote control.
Take care of the lens.• Close the slide lens door or attach the lens cap to prevent the lens surface being
scratched when the projector is not used.
• Do not touch the lens to prevent fog or dirt of the lens that cause...

7
Safety Precautions (continued)
NOTE
About consumables. Lamp, LCD panels, polarizors and other optical components, and air filter and cooling fans
have a different lifetime in each. These parts may need to be replaced after a long usage
time.
• This product isn’t designed for continuous use of long time. In the case of continuous use
for 6 hours or more, or use for 6 hours or more every day (even if it isn’t continuous), or
repetitious use, the lifetime may be shortened, and these parts may need to be...

8• If the lamp should break (it will make a loud bang when it does), unplug
the power cord from the outlet, and make sure to request a replacement
lamp from your local dealer. Note that shards of glass could damage the
projector’s internals, or cause injury during handling, so please do not try to
clean the projector or replace the lamp yourself.
• If the lamp should break (it will make a loud bang when it does), ventilate
the room well, and make sure not to breathe the gas that comes out of the...

9
 Regulatory Notices
FCC Statement Warning
This device complies with part 15 of the FCC Rules. Operation is subject to the following
two conditions: (1) This device may not cause harmful interference, and (2) this device
must accept any interference received, including interference that may cause undesired
operation.
WARNING:This equipment has been tested and found to comply with the limits for a
Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed
to provide...