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 adjusts the tone of an image on the screen.

Only serial (RS-232C) cable communications is available for this mode.
Please connect a serial cable to the projector and the PC 

proceed to Gamma Correction.

See section “Opening Modes” 

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The “Gamma Correction” window opens.

1

2

3

1

The default gamma value is “CUSTOM”, by which you can adjust
the values of the colours in box 

2

.

The other modes use preset values and you cannot adjust colours
independently in these modes.
“MOVIE”: Emphasizes colour saturation of the entire image.
“FAMILY”: Emphasizes colour saturation of flesh tones.
“SNOW”: Emphasizes white colour in an image.
“NIGHT”: Emphasizes dark scenes or colours in an image.

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When “CUSTOM” is selected 

, each of these colours

except “WHITE” can be adjusted respectively. Selecting “WHITE”
cancels the values of the other three colours.

The  “RESET” button resets the values of the colour currently
selected. If you want to reset both the red and green values,
click the “RESET” button in the “RED” mode, and then click the
“RESET” button again in the “GREEN” mode. If you want to
reset to the original values, click the “RESET” button in the
“WHITE” mode.

3

Specify the source of the image. The default setting is
“COMPUTER” .

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When selecting the “MOVIE”, “FAMILY”, “SNOW”, or  “NIGHT”
mode, the “NOW TRANSMITTING...” message is displayed
during transmission.

A white straight line will be displayed in the graph.

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 The “NOW TRANSMITTING...” message is displayed during

transmission.

Drag and drop the curve of the graph to adjust it to the proper value.

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The  “NOW TRANSMITTING...” message is displayed during
transmission.

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Check that the connection type is surely selected as you intend

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Check that the infrared ports (the projector and the PC) are within
1 metre (3 feet) distance and keep the vertical and horizontal range
within 30 degrees 

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Check that there are no obstacles between the projector and the
PC.

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Avoid using this function under strong lighting conditions.
Strong light sources such as sunlight or fluorescent lighting may
interfere with image transmissions.

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Check that the projector is in the IrCOM mode before transferring
images from the PC. (See the projector operation manual.)
The On-screen Display “IrCOM stand by” or “IrCOM stand by
Waiting for Data” will appear on the projection screen.

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Check that your PC’s IrDA port is activated and configured properly.
Check the PC’s  instruction manual.

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Check that “Wireless (IrCOM)” is selected in the “File” menu

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Confirm that the port for infrared communications is correctly specified
in the PC’s settings 

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For Windows 95 users: Check that Microsoft’s IrDA 2.0 (Infrared
Driver) is installed 

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Check that the display mode is appropreate for  the images. (Normal
transfer: 24 bit colour or less; “startup Image” transfer: 256 colours
for BMP files)

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Check that the port for the RS-232C serial cable is correctly specified
in the PC’s settings 

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Check that the cable is correctly and securely connected 

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Reconnect the RS-232C serial cable and try again.
The cable may not be connected properly or an error may have
occurred during the transmission.

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Check that the port for serial (RS-232C) communications is correctly
specified in the PC’s settings 

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Check that your PC supports IrDA 1.1.

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Check the transmitting speed from your PC.
If the speed is 4 Mbps, cheque that an IrDA 1.1 driver is installed

. Refer to the PC’s instruction manual.

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Do not use the projector’s remote control while transferring.

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Check the compression rate setting 

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Check the baud rate setting, in the case of RS-232C cable
communications 

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Note that custom image as Startup Image and Background Image
is fixed in the “High quality, slow transmission” setting.

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Note that Quick Transfer is fixed in the “Normal quality, middle
speed” setting.

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If 4 Mbps IrDA should fail, try transmitting at 115 kbps. The following
is the procedure to change the transmitting speed.
1) Click the Windows “Start” button and then select “Settings.”
2) Select “Control Panel.”
3) Double click the “Infrared Monitor” icon.
4) Click the “Options” tab.
5) Select “Limit connection speed to” and change it to 115kbps.

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Do not turn off the projector while transmission.
The image data may be lost.

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Check the compression rate setting 

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Note that Quick Transfer is fixed in the “Normal quality, middle
speed” setting.

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If the image file is saved in JPEG format, its compression rate cannot
be changed.
Note that the compression rate only applies to BMP file format.

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The transmitting speed setting applies to image transfer via cable
only. The speed for transfer of gamma values is fixed at 9,600 bps.