Sony Projector VPL-CH375 User Manual

							21Projecting an Image
Projecting/Adjusting an Image
When the projected image a trapezoid, tapering to the right or left
1Press KEYSTONE on the remote 
commander twice or select H Keystone in 
the INSTALL SETTING menu.2Use V/v/B/b to set the value. The higher 
the setting, the narrower the right part of 
the projected image. The lower the setting, 
the narrower the left part.
Press the RESET key to restore the projected image before adjustment.
 Since the Keystone adjustment is an electronic correction, the image may be deteriorated.
 Depending on the position adjusted with the lens shift feature, the aspect ratio of the image may 
change from the original or projected image may be distorted with Keystone adjustment.
Correcting the image twist (Corner Keystone feature) 
You can correct the image twist by the corner keystone feature.
1Press KEYSTONE on the remote 
commander three times, or select “Corner 
Keystone” in the INSTALL SETTING 
menu, and select “Adjust.”
2The guide is displayed.
The corners of the image to be corrected
1Move the s by using V/v/B/b to select 
the corner you want to correct.
If you press ENTER, you will go back to 
the cursor display.
2Adjust the position of the corner you want 
to correct by using V/v/B/b.
Notes
Increase the number 
towards minusIncrease the number 
towards plus
Adjust using this cursor. 
						

							22Projecting an Image
3The cursor will disappear if the 
adjustment range limit is reached.
Press the RESET key to restore the projected image before adjustment.
Displaying a pattern
You can display a pattern for adjusting the projected image or a grid pattern with the PATTERN 
key on the remote commander. Press the PATTERN key again to restore the previous image. 
You can use a grid pattern as a guide to write text or to draw lines and shapes on the whiteboard 
or blackboard without using a computer.
You cannot use this key when “Type B USB” or “Network” is selected as the input.
Automatically adjusts Phase, Pitch and Shift of projected image while a 
signal is input from a computer (APA (Auto Pixel Alignment))
Press the APA key on the remote commander. Press again to cancel adjusting during the setting.
You can also set APA in the Screen Menu (page 26). If Smart APA in the Function menu is set 
to “On”, executes APA automatically when a signal is input (page 29).
Example of cursor display:
You can adjust in all directions.
You can adjust only to the left/
right or downwards.
Note 
						

							23Projecting an Image
Projecting/Adjusting an Image
1Press the ?/1 key on the unit or the remote commander.
The projector starts shutdown and turns off. If you press the ?/1 key within 10 seconds 
again, shutdown is cancelled.
Do not turn off the projector soon after the lamp lights. It may cause a malfunction of the lamp 
(does not light ,etc.).
2Unplug the AC power cord from the wall outlet.
To turn off without displaying confirmation message
Press and hold the ?/1 key on the unit for a few seconds (page 54).
ECO gauge
This gauge indicates the current effectiveness of the projector’s ECO function. (For details on 
the ECO function, see “ECO MODE key” (page 8) and “ECO” (page 31).) 
The leaf icons are displayed when the projector is shut down. The number of displayed icons 
varies according to how much energy is saved as a result of using the ECO function.
Turning Off the Power
Note
ECO gauge 
						

							24Using a MENU
BAdjustments and Settings Using a Menu
Using a MENU
The menu displays used for the explanation below may be different depending on the model you are 
using.
1Press the MENU key to display the 
menu.
2Select the setting menu. 
Use the V/v key to select the setting 
menu then press the b key or ENTER 
key.
3Select the setting item.
Use the V/v key to select the setting 
menu then press the b key or ENTER 
key.
To return to the selection screen of the 
setting menu, press the B or RETURN 
key.
4Make the setting or adjustment for the 
selected item. 
The setting method varies, depending on 
the setting item.
If the next menu window is displayed, 
select the item according to the operations in step 3 and then press the 
ENTER key to register the setting.
To return to the selection screen of the 
setting items, press the B or RETURN 
key. You can press the RESET key to 
reset an item to its factory setting value 
to aid setting.
Using a pop-up menu
Press the V/v/B/b key to select an item.
Selected items take effect immediately, 
except “Language,” “Speaker Setting,” 
and “Input-A Signal Sel.”, which take 
effect after you press the ENTER key.
Using the setting menu 
Press the V/v key to select the item. 
Press the ENTER key to register the 
setting and return to the previous screen.
Using the adjustment menu
To increase the value, press the V/b key 
and to decrease the number, press the 
v/B key. Press the ENTER key to 
register the setting and return to the 
previous screen.
5Press the MENU key to clear the 
menu.
The menu disappears automatically if no 
operation is performed.
Note
Picture Mode Standard
Reset
Contrast
Brightness
Color
Hue
Color Temp.
Sharpness
Expert Setting
:Sel :Set :Back
Picture
Low
Setting menu
80
50
50
50
5
Picture Mode Standard
Reset
Contrast
Brightness
Color
Hue
Color Temp.
Sharpness
Expert Setting
:Sel :Set :Back
Picture
Low
Setting items
RETURN
Picture Mode
Dynamic
Standard
:Back
:Sel
Presentation
AdjustBack Contrast 
						

							25The Picture Menu
Adjustments and Settings Using a Menu
The Picture Menu
The Picture is used to adjust the picture for each input signal.
*1: The settings in the Picture return to their factory defaults, except for Picture Mode.
*2: When a video signal is input, this option is available.
*3: When the signal without color burst signal is input after selecting “Video” or “S-Video”, this 
option is unavailable.
*4: When an analog TV signal is input, this option may not available, depending on the color system.
*5: When “Picture Mode” is set to the item other than “Presentation,” this option is available.
*6: Available when a computer signal is input from the DVI-D input connector (INPUT C) and 
HDMI input connector (INPUT D). This projector is not to be used as a device for medical 
diagnosis. Items Item descriptions
Picture ModeDynamic: Emphasizes the contrast to produce a dynamic and vivid picture.
Standard: Provides an image which is natural and well balanced.
Presentation: Provides a bright image, suitable for presentations.
Reset
*1Resets the factory setting.
Contrast The higher the value, the greater the contrast. The lower the value, the lower 
the contrast.
Brightness The higher the value, the brighter the picture. The lower the value, the darker 
the picture.
Color
*2 *3The higher the value, the greater the intensity. The lower the value, the lower 
the intensity.
Hue
*2 *3 *4The higher the value, the more greenish the picture becomes. The lower the 
value, the more reddish the picture becomes.
Color Temp.
*5High/Middle/Low: The higher the value, the more bluish the picture. The 
lower the value, the more reddish the picture.
Sharpness The higher the value, the sharper the picture. The lower the value, the softer 
the picture.
Expert Setting
Gamma 
ModeGraphics1: Gamma correction to make halftones brighter. This setting is 
suitable when projecting highly colorful images, such as photos, in a bright 
place.
Graphics2: Gamma correction to improve the reproduction of halftones. 
Highly colorful images, such as photos, can be reproduced in natural tones.
Te x t : Improves black and white contrast. Suitable for images with lots of text 
content.
DICOM GSDF Sim.
*6: Gamma setting is in accordance with the Grayscale 
Standard Display Function (GSDF) of the Digital Imaging and 
Communications in Medicine (DICOM) standards.
Notes 
						

							26The Screen Menu
The Screen Menu
The Screen menu is used to adjust the size, position and aspect ratio of the projected image for 
each input signal.
*1:   Note that if the projector is used for profit or for public viewing, modifying the original picture 
by switching to the aspect mode may constitute an infringement of the rights of authors or 
producers, which are legally protected.
 Depending on the input signal, setting items for aspect ratio or some other setting items cannot 
be set in some cases, or changing the aspect ratio setting may have no effect.
Items Item descriptions
Aspect
*1Changes the aspect ratio of the projected image (page 28).
When the computer 
signal is input4:3: Displays the image to fit the maximum projected image size 
with an aspect ratio fixed to 4:3.
16:9: Displays the image to fit the maximum projected image size 
with an aspect ratio fixed to 16:9.
Full 1: Displays the image to fit the maximum projected image 
size without changing the aspect ratio of the input signal.
Full 2: Displays the image to fit the maximum projected image 
size changing the aspect ratio of the input signal.
Full 3: Displays the image to fit the maximum width or height, up 
to 1920 × 1080 pixels, without changing the aspect ratio of the 
input signal.
Normal: Displays the image on the center position of the 
projected screen without changing the resolution of the input 
signal or enlarging the image.
When the video signal 
is input4:3: Displays the image to fit the maximum projected image size 
with an aspect ratio fixed to 4:3.
16:9: Displays the image to fit the maximum projected image size 
with an aspect ratio fixed to 16:9.
Full: Displays the image to fit the maximum projected image size 
changing the aspect ratio of the input signal.
Zoom: Zooms the center area of a projected image.
Adjust Signal Adjusts the image of computer signal. Use this item if the edge of 
the image is cut and reception is bad.
APA
*2 *3Automatically adjusts the projected image to an optimum quality 
when you press the ENTER key (page 7).
Phase
*2Adjusts the dot phase of the display pixel and the input signal. Set 
to the value where looks clearest.
Pitch
*2 *5The higher the value, the wider the horizontal image elements 
(pitch). The lower the value, the narrower the horizontal image 
elements (pitch).
Shift
*4H (Horizontal): The higher the value, the farther right the image 
is projected on the screen. The lower the value, the image farther 
left.
V (Vertical): The higher the value, the farther up the image is 
projected on the screen. The lower the value, the image farther 
down.
Notes 
						

							27The Screen Menu
Adjustments and Settings Using a Menu
 A part of the image may be displayed in black, depending on the setting item.
*2: Available when a computer signal is input from the RGB input connector (INPUT A).
*3: If the projected image includes large amount of black portion around it, the APA function will 
not work properly and a part of the image may not be displayed on the screen and also optimum 
image cannot be obtained, depending on the type of input signal. In this case, adjust the “Phase,” 
“Pitch,” and “Shift” items manually.
*4: Available when a computer or a video signal is input from the RGB/YP
BPR input connector 
(INPUT A).
*5: When “APA” (page 26) or “Smart APA” (page 29) is performed, the adjusted value for “Pitch” 
will return to its factory default. If you want to continue using the adjusted value, set “Smart 
APA” to “Off.” 
						

							28The Screen Menu
Aspect
*1: If you select “Normal,” the image is 
projected in the same resolution as the 
input signal without changing the aspect 
ratio of the original image.
*2: If you select “Full2,” the image is projected 
to fit the projected image size, regardless 
of the aspect ratio of the image.
*3: If you adjust the projected image position 
using an image with 16:9 aspect ratio and 
then switch the input source to 4:3 image, 
the top and bottom edge of the image may 
be hidden. In this a case, select “Full3.”
*4: Depending on the input signal, the 
projected image may be projected as 
illustrated below. In this a case, select 
“16:9.”
*5: Depending on the input signal, the image 
may be projected as illustrated below. In 
this a case, select “Zoom.” Input signal Recommended 
setting value and 
projected image
Computer signal
4:3 Full1*1 *2 *3
16:9 Full1*1 *2 *3
16:10 Full1*3
Video signal
4:3 4:3*4 *5
16:9 16:9 
						

							29The Function Menu
Adjustments and Settings Using a Menu
The Function Menu
The Function menu is used for setting various functions of the projector.
*1: APA functions when a computer signal is input via the RGB input connector (INPUT A).
*2: The maximum available mic volume is set by the value of “Volume.”
*3: When the speaker setting is set to “Always On” and the lamp is off, the audio of INPUT A and 
the microphone are enabled.
If “Always On” is selected, “Eco Mode” will be set to “User,” “Standby Mode” will be set to 
“Standard” in conjunction. Items Item descriptions
Volume The higher the value, the louder an audio volume and the lower the 
value, the lower the audio volume.
Mic Volume Adjust the volume of the microphone.
*2
SpeakerOn/Off: When set to “On,” speaker outputs sound. To not output 
sound from the speaker, select “Off.”
Speaker SettingSync with Power/Always On: When set to “Always On,” the speaker 
is available even in Lamp Cutoff.
*3
Smart APAOn/Off: When set to “On,” APA functions automatically when a 
signal is input.*1
CC DisplayCC1/CC2/CC3/CC4/Text1/Text2/Text3/Text4: Select the closed 
caption service (captions or text).
Off: Closed caption does not appear.
Lamp Timer Reset When replacing the lamp, resets the lamp timer (page 58).
Start Up ImageOn/Off: When set to “On,” the Start Up Image is displayed on the 
screen when the projector is powered on.
All Reset Resets all settings to their factory defaults.
Notes 
						

							30The Operation Menu
The Operation Menu
The Operation menu is used for setting for the operations by using the menu or the Remote 
Commander.
*1: You will not be able to use the projector if you forget your password. If you call qualified Sony 
personnel because you have forgotten the password, you will be asked to verify the projector’s 
serial number and your identity. (This process may differ in other countries/regions.) Once your 
identity has been confirmed, we will provide you with the password. Setting items Description
Language Selects the language used in the menu and on-screen displays.
Menu PositionBottom Left/Center: For selecting the position of the menu displayed on the 
projected image.
StatusOn: All on-screen statuses are enabled.
Off: Displays only the menus, the message when turning off the power, and 
warning messages.
IR ReceiverFront & Rear/Front/Rear: Selects the remote control detectors (IR Receiver) 
on the front and rear of the projector.
Security Lock
*1On/Off: This function enables restriction of the projector to authorized users 
by password. The setting procedures for security locking are as follows:
1Select “On” then press the ENTER key to display the setting menu.
2Input the password with the MENU, V/v/B/b, and ENTER keys. (The 
default password setting is “ENTER, ENTER, ENTER, ENTER.”)
3Input a new password with the MENU, V/v/B/b, and ENTER keys.
4Enter the password again to confirm.
Enter the password when you turn on the projector after disconnecting and 
reconnecting the AC power cord.
When it is set to “Off,” you can cancel the security lock. You are required to 
input the password again.
If you fail to enter the correct password after three consecutive times, the 
projector cannot be used. In this case, press the ?/1 key to go standby mode 
then turn on the power again.
Control Key 
LockOn/Off: When set to “On,” locks all the control panel keys of the projector. 
However, you can operate the following when set to “On”:
 Press and hold the ?/1 key for approximately 10 seconds during Standby 
mode.
c The projector turns on.
 Press and hold the MENU key for approximately 10 seconds during power 
on.
c“Control Key Lock” is set to “Off” and enables operation of all keys on 
the projector.
Note