Lenovo Thinkvision C400 Projector User Manual

							Item Description Default 
Blank Screen Press the cursor left/right button to 
select a background color for blank 
screen. 
Range: 
Black/Red/Green/Blue/White 
Blue 
Auto Source Press the cursor left/right button to 
enable or disable automatic source 
detection. 
Range: On/Off 
On 
Auto Power Off Press the cursor left/right button to 
disable automatic shutdown of lamp 
after 10 minutes of inactivity. 
Range: On/Off 
Off 
Volume Press the cursor left/button to adjust 
the audio volume. 
Range: 0 - 8 
4 
Menu Position Press the cursor left/right button to 
position the OSD on screen. 
Range: Left/Right/Center/Down/Up 
Center 
Menu Display Press the cursor left/right button to 
determine timeout delay of OSD. 
Range: 10-30 seconds 
15 seconds 
Translucent Menu Press the cursor up/down button to 
set menu screen translucency. 
Range: On/Off 
Off 
Cancel Resets Auto Power-Off, Volume, 
Menu Position, Menu Display, and 
Translucent Menu to default values. 
Not applicable
   
Setup menu 
To access the Setup menu, follow the steps below: 
1. 
 
 Press the Menu button to open the main menu. 
2. 
 
 Press the left/right cursor to move to the Setup menu. 
3. 
 
 Press the cursor up/down button to move up and down in the Setup menu. 
The Setup menu with a single input and the Setup menu with a dual input are 
shown below: 
 
Chapter 7. 1On-Screen Display menu controls 7-5 
						

							The following table shows the options that you will see in the Setup menu and the 
default. 
 Item Description Default 
Video type 
Note:   Adjustments for this item 
are only available with Composite 
Video and S-Video connections. 
Press the cursor right/left button to 
select the Video standard. 
Range: Auto/NTSC/PAL/SECAM 
Auto 
Video automatic gain control 
(AGC) 
Note: 
 Adjustments for this item 
are only available with Composite 
Video and S-Video connections. 
Press the cursor right/left button to 
enable or disable AGC for video 
source. 
Range: On/Off 
On 
Projection Press the cursor left/right button to 
select from four projection methods. 
Range: 
Desktop mount, front of screen 
Desktop mount, rear of screen 
Ceiling mount, front of screen 
Ceiling mount, rear of screen 
Desktop mount, 
front of screen 
Frequency Press the cursor left/right button to 
adjust the A/D sampling clock. 
Range: 0-100 
Auto detected 
Tracking Press the cursor left/right button to 
adjust the A/D sampling number. 
Range: 0-100 
Auto detected 
 
7-6 C400 Wireless Projector: User ’s Guide 
						

							Item Description Default 
Pip Size Press the cursor left/right button to 
adjust the secondary image size. 
Note:   Pip Size is only available 
when the projector is connected to 
dual input sources. 
Range: Off/Small/Medium/Large 
Off 
Pip Position Press the cursor left/right button to 
adjust the secondary image location. 
Note: 
 Pip Position is only available 
when the projector is connected to 
dual input sources. 
Range: Upper left to lower right 
Upper Left 
Pip Input Press the cursor left/right button to 
adjust the secondary image source. 
Note: 
 Pip Input is only available 
when the projector is connected to 
dual input sources. 
Range: Auto/Video/S-video 
Auto 
Cancel Resets Video Type, Video AGC, and 
Projection to default values. 
N/A
 
 
Information settings menu 
To access the Information settings menu, follow the steps below: 
1. 
 
 Press the Menu button to open the main menu. 
2. 
 
 Press the cursor left/right button to move to the Information settings menu. 
3. 
 
 Press the cursor up/down button to move up and down in the Information 
settings menu. The Information settings menu is shown below. 
 
 
 
The following table shows the options that you will see in the Information Settings 
menu. 
 
Chapter 7. 1On-Screen Display menu controls 7-7 
						

							Item Description 
Video Information Displays the resolution and refresh rate of 
the connected video device. 
Software Version Displays information about the firmware 
version information. 
Lamp Hours Displays lamp hours used information. 
ID Displays ID information 
Wireless Settings Displays Wireless Settings information. For 
more information, go to ″Projector Wireless 
Configuration.″ 
Lamp Mode Toggles between Normal and ECO lamp 
modes. ECO mode uses less power but 
decreases the lamp brightness. 
Lamp Hour Reset Reset this item after replacing the lamp. 
For more information, refer to “Replacing 
the projector lamp” on page 5-1. 
Cancel Resets Lamp Mode to the default setting.
 
 
Projector wireless configuration 
Yo u can configure a wireless projector with OSD menu. C400 wireless OSD menu 
also includes some special items such as Showing Projector ’s ID Number, 
Connecting Reset, Wireless Repair, USB Image Display, Stop USB Image Display, 
Enable WEP, Disable WEP, Refresh Session Key and Showing Session Key. 
 
 
 
 Item Description 
Connection Reset Disconnects any existing current wireless 
projecting session. 
USB image display To allow the display of images from a USB 
memory key. 
Stop USB image display To stop USB image display. 
 
7-8 C400 Wireless Projector: User ’s Guide 
						

							Item Description 
Enable WEP To enable WEP encryption when WEP is 
disabled. When it is selected, the prompt 
″This will disconnect current wireless 
projecting session.″ The new setting will take 
effect in 10 seconds. Continue?″ will appear. 
If select ″Ye s″, any existing wireless 
projecting session or USB image display will 
be terminated immediately. When the 
projector is WEP-enabled, the session key 
will be shown at the bottom right corner of 
the projection screen display, you must input 
the new session key while starting a wireless 
projecting or retrieving the status of the 
projector. 
Disable WEP To disable WEP encryption when WEP is 
enabled. When it is selected, the prompt 
″This will disconnect current wireless 
projecting session.″ The new setting will take 
effect in 10 seconds. Continue?″ will appear. 
If select ″Ye s″, any exisiting wireless 
projecting session or USB image display will 
be terminated immediately. When the 
projector is WEP-disabled and there is no 
session key shown at the bottom right 
corner of the projection screen display, you 
can start a wireless projecting or retrieve the 
status of the projector without any session 
key. 
Refresh Session Key 
Note: This option will only be available if 
WEP is enabled. 
Replaces the Session key with a new 
random session key. When it is selected, the 
prompt ″This will disconnect current 
wireless projecting session.″ The new setting 
will take effect in 10 seconds. Continue?″ 
will appear. If select ″Ye s″, any exisiting 
wireless projecting session or USB image 
display will be terminated immediately. 
When the session key is changed the input 
is shown at the bottom right corner of the 
projection screen display. Yo u must input the 
new session key while starting a wireless 
projecting or retrieving the status of the 
projector. 
Wireless Repair When this is selected, the prompt ″This will 
restart the wireless Card. The new setting 
will take effect in 40 seconds. Continue?″ 
will appear. If select ″Ye s″, any existing 
wireless projecting session or USB image 
display will be terminated immediately. 
Session Key Shows the current session key. It is visible 
only when WEP is enabled. The session key 
will be updated when you enable WEP, 
refresh Session Key, select wireless repair or 
power on.
 
 
 
Chapter 7. 1On-Screen Display menu controls 7-9 
						

							7-10 C400 Wireless Projector: User ’s Guide 
						

							Appendix A. Troubleshooting 
The guidelines below provide tips to deal with problems you may encounter while 
using the projector. If the problem remains unsolved, contact your dealer for 
assistance. 
Common problems and solutions 
Check the following before proceeding to the problem-specific solutions. 
v   
 Use a different electrical device in the electrical outlet to confirm that the outlet 
is working. 
v 
 
 Ensure that the projector is turned on. 
v 
 
 Ensure all connections are securely attached. 
v 
 
 Ensure the attached device is turned on. 
v 
 
 Ensure a connected PC is not in suspend mode. 
v 
 
 Ensure a connected notebook computer is configured for an external display. 
This is usually done by pressing an Fn-key combination on the notebook.
Tips for troubleshooting 
In each problem-specific section, try the steps in the order suggested. This may 
help you to solve the problem faster. 
Tr y to pinpoint the problem and thus avoid replacing non-defective parts. For 
example, if you replace batteries and the problem remains, put the original 
batteries back and go to the next step. 
Keep a record of the steps you take when troubleshooting: The information may be 
useful when calling for technical support or for passing on to service personnel. 
Troubleshooting information 
The following table provides troubleshooting information for the projector. In some 
cases, more than one possible solution is provided. Tr y the solutions in the order 
they are presented. When the problem is solved, you can skip the additional 
solutions. 
 Table A-1. Troubleshooting 
Problem Solution 
No image appears on the screen. v 
 
 Make sure your computer and projector are turned 
on. 
v 
 
 Verify the settings on your notebook or desktop PC. 
v 
 
 Turn off all equipment and power up again in the 
correct order. 
 
© Lenovo 2005. Portions © IBM Corp. 2004. A-1    
						

							Table A-1. Troubleshooting (continued) 
Problem Solution 
The image is blurred. v   
 Adjust the Focus on the projector. 
v 
 
 Press the Re-Sync button on the remote control or 
the projector. 
v 
 
 Ensure the projector-to-screen distance is within the 
range specified. 
v 
 
 Check that the projector lens is clean. 
v 
 
 Make sure the output resolution from the PC is 1024 
x 768, the native resolution of the projector. 
The image is wider at the top or 
bottom (trapezoid effect). v 
 
 Position the projector so it is as perpendicular to the 
screen as possible. 
v 
 
 Use the Keystone button on the remote control or 
projector to correct the problem. 
The image is reversed or upside 
down. 
Check the Projection setting on the Setup menu of the 
OSD. 
The image is streaked. v 
 
 Set the Frequency and Tracking settings on the Setup 
menu of the OSD to the default settings. 
v 
 
 To ensure the problem is not caused by a connected 
PC’s video card, connect to another computer. 
The image is flat with no contrast. Adjust the Contrast setting on the Quality menu of the 
OSD. 
The color of the projected image 
does not match the source image. 
Adjust the Color Temp. and Gamma settings on the 
Quality menu of the OSD. 
There is no light from the 
projector. v 
 
 Check that the power cable is securely connected. 
v 
 
 Ensure the power source is good by testing with 
another electrical device. 
v 
 
 Restart the projector in the correct order and check 
that the Power LED is green. 
v 
 
 If you have replaced the lamp recently, try resetting 
the lamp connections. Make sure the lamp cover is 
flush with the projector case when closed. 
v 
 
 Replace the lamp module. “Replacing the projector 
lamp” on page 5-1. 
v 
 
 Put the old lamp back in the projector and have the 
projector serviced. 
The lamp goes off. v 
 
 Power surges can cause the lamp to turn off. Press 
the Power button twice to turn off the projector. 
When the Lamp Ready LED is on, press the Power 
button. 
v 
 
 Replace with a new lamp module.“Replacing the 
projector lamp” on page 5-1. 
v 
 
 Put the old lamp back in the projector and have the 
projector serviced. 
 
A-2 C400 Wireless Projector: User ’s Guide 
						

							Table A-1. Troubleshooting (continued) 
Problem Solution 
The projector does not respond to 
the remote control. v   
 Direct the remote control towards the remote sensor 
on the projector. 
v 
 
 Ensure the path between remote and sensor is not 
obstructed. 
v 
 
 Turn off any fluorescent lights in the room. 
v 
 
 Check the battery orientation. 
v 
 
 Replace the batteries. 
v 
 
 Turn off other Infrared-enabled devices in the 
vicinity. 
v 
 
 Have the remote control serviced. 
There is no sound. v 
 
 Adjust the volume on the remote control. 
v 
 
 Adjust the volume of the audio source. 
v 
 
 Check the audio cable connection. 
v 
 
 Test the source audio output with other speakers. 
v 
 
 Have the projector serviced. 
The sound is distorted. v 
 
 Check the audio cable connection. 
v 
 
 Test the source audio output with other speakers. 
v 
 
 Have the projector serviced.
 
 
Projector LEDs 
The LED on top of the projector indicates the state of the projector and can help 
you troubleshoot. There are two-second pauses between the blinking cycles. For 
more details on LED projector errors, contact your Lenovo representative. 
 Table A-2. Lamp-ready LED error messages 
Lamp-ready LED number of flashes Explanation 
Flashing Ready- do not press the power button. 
1 Front cover fan error 
2 Lamp fan error 
3 Power board fan error 
4 Blower fan error 
5 Ballast fan error
 
 
 Table A-3. Power LED error messages 
Power LED number of flashes Explanation 
3 System overheating 
4 System interface error 
5 Lamp error 
6 Fan error. Refer to Lamp-ready LED to determine 
which fan. 
7 Lamp cover open 
8 DLP driver error.
 
 
Appendix A. Troubleshooting A-3 
						

							A-4 C400 Wireless Projector: User ’s Guide