Hitachi Projector BZ-1 User Manual

111
Troubleshooting
Regarding the indicator lamps
When operation of the LAMP, TEMP and POWER indicators differs from usual, 
check and cope with it according to the following table.
POWER 
indicator LAMP 
indicator TEMP 
indicator Description
Lighting
In Orange Turned
off Turned
off
The projector is in a standby state.Please refer to the section “Power on/off”.
Blinking
In Green Turned
off Turned
off
The projector is warming up.Please wait.
Lighting
In Green Turned
off Turned
off
The projector is in an...

112
Troubleshooting
Regarding the indicator lamps (continued)
• When the interior portion has become overheated, for safety purposes, 
the projector is automatically shut down, and the indicator lamps may also be 
turned off. In such a case, disconnect the power cord, and wait at least 45 minutes. 
After the projector has sufficiently cooled down, please make confirmation of the 
attachment state of the lamp and lamp cover, and then turn the power on again.NOTE
POWER 
indicator LAMP 
indicator TEMP...

113
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects
About the phenomenon confused with a machine defect, check and cope with it 
according to the following table.
PhenomenonCases not involving a machine defectReference 
page
Power does not  come on.
The electrical power cord is not plugged in.
Correctly connect the power cord.14
The main power source has been interrupted during 
operation such as by a power outage (blackout), etc.
Please disconnect the power plug from the...

114
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
PhenomenonCases not involving a machine defectReference 
page
Sound does not  come out. The signal cables are not correctly connected.
Correctly connect the audio cables.
9 ~ 13
The MUTE function is working.
Restore the sound pressing  MUTE or VOLUME +/- button 
on the remote control. 22
The volume is adjusted to an extremely low level.
Adjust the volume to a higher level using the menu function 
or the remote...

115
PhenomenonCases not involving a machine defectReference 
page
Video screen
display freezes. The FREEZE function is working.
Press FREEZE button to restore the screen to normal.
29
Colors have a faded- out
appearance, or Color tone is  poor. Color settings are not correctly adjusted.
Perform picture adjustments by changing the COLOR TEMP, COLOR, 
TINT and/or COLOR SPACE settings, using the menu functions.36, 41
COLOR SPACE setting is not suitable.
Change the COLOR SPACE setting to AUTO, RGB,...

116
PhenomenonCases not involving a machine defectReference 
page
The computer 
connected to the 
USB TYPE B port  of the projector 
does not start up.The computer cannot start up in the current hardware 
configuration.
Disconnect the USB cable from the computer, then 
reconnect it after starting up the computer. 10
RS-232C does  not work. The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP menu.47
The COMMUNICATION TYPE for the CONTROL port is 
set to NETWORK BRIDGE.
Select...

117
Troubleshooting
Phenomena that may be easy to be mistaken for machine defects (continue\
d)
PhenomenonCases not involving a machine defectReference 
page
When using 
the interactive  function, the  projector 
can not  be 
recognized. Is the use of USB cables disabled?
Enable the use of USB cables. The “StarBoard Software” 
may not be recognized if your laptop has a built-in modem.
The projector may not be recognized if your computer has a 
built-in modem.
(For details, refer to the relevant manuals...

118
PhenomenonCases not involving a machine defectReference 
page
The pen does not operate. This may be due to poor contact of the battery.
Remove the battery and load it again.
Be sure to use only the batteries specified.
19
Has the battery run out?
Replace it with a new one. 19
The “StarBoard Software” files may be corrupted, or 
installation may not have completed successfully.
Uninstall the “StarBoard Software” and reinstall it. 86
Is the projector positioned too close to the screen?
Install and use...

119
PhenomenonCases not involving a machine defectReference 
page
Pen action is 
unstable or pen 
stops operating.
Is the power supply for the projector used at the 
same time for other electrical products that require a 
measurable amount of power? 
Use a separate power supply for other electrical products 
with a high power consumption. 14
Is dust accumulated on the two horns of the pen sensor?
Check the horns of the pen sensor, and remove any dust 
accumulated on them using a vacuum cleaner.
107
The...

120
PhenomenonCases not involving a machine defectReference 
page
Calibration of the pen 
position cannot  be performed  correctly. Is the projector correctly installed?
Check the installed position of the projector.
81, 82
Is the computer image projected within the area of the 
screen?
Install and use at a position where the screen size is 
between 60"-100" when digital zoom is at the maximum 
(100%) and the KEYSTONE and PERFECT FIT functions 
are not used. If the KEYSTONE or PERFECT FIT...