ViewSonic Projector Pro8520HD User Manual

 14
Connecting Video source devices
You can connect your projector to various Video source devices that provide any one 
of the following output sockets:
• Component Video
• S-Video
• Video (composite)
You need only connect the projector to a Video source device using just one of the 
above connecting methods, however each provides a different level of video quality. 
The method you choose will most likely depend upon the availability of matching 
terminals on both the projector and the Video source...

 15
Connecting a Component Video source device
Examine your Video source device to determine if it has a set of unused Component 
Video output sockets available:
• If so, you can continue with this procedure.
• If not, you will need to reassess which method you can use to connect to the device.
To connect the projector to a Component Video source device:
1. Take a VGA (D-Sub) to HDTV (RCA) cable, Component Video cable or a 
Component Video to VGA (D-Sub) adaptor and connect the end with 3 RCA type...

 16
Connecting a composite Video source device
Examine your Video source device to determine if it has a set of unused composite 
Video output sockets available:
• If so, you can continue with this procedure.
• If not, you will need to reassess which method you can use to connect to the device.
To connect the projector to a composite Video source device:
1. Take a Video cable and connect one end to the composite Video output socket of 
the Video source device.
2. Connect the other end of the Video cable...

 17
Operation
Powering On/Off the Projector
Powering On the Projector:
1. Remove the projector lens cap.
2. Complete the AC power cord and peripheral signal cable(s) connections.
3. Press   to turn on the projector.
The projector takes a minute or so to warm up. 
4. Turn on your source (computer, notebook, DVD, etc.). The projector automatically
detects your source.
• If you are connecting multiple sources to the projector simultaneously, press 
SOURCE on the projector to select your desired signal or...

 18
Adjusting the Projector Height
The projector is equipped with an elevator foot to adjust the image height.
To raise or lower the image:
1. To raise or lower the image, press the elevator button and raise or lower the front
of the projector. Release the button to lock the adjustment.
2. To level the image on the screen, turn the tilt-adjustment feet to fine-tune the 
height.
Note
•
To avoid damaging the projector, make sure that the elevator foot and tilt-adjustment 
feet are fully retracted before...

 19
Adjusting Projection Image Size
Refer to the graphic and table below to determine the screen size and projection distance.
Note
•
Position the projector in a horizontal position; other positions can cause heat build-up 
and damage to the projector.
•Keep a space of 30 cm or more between the sides of the projector.
•Do not use the projector in a smoky environment. Smoke residue may build-up on 
critical parts and damage the projector or its performance
.
•Consult with your dealer for special...

 20
Locking control keys
With the control keys on the projector locked, you can prevent your projector settings 
from being changed accidentally (by children, for example). When the Panel Key 
Lock is on, no control keys on the projector will operate except 
 Power.
1. Press and hold 
 for 3 seconds on the 
projector or remote control.
To release panel key lock, press and hold 
 for 3 seconds on the projector.
Important
•
Keys on the remote control are still functional when panel key lock is enabled.
•If...

 21
Menu Operation
The projector has multilingual on-screen display menus that allow you to make image 
adjustments and change a variety of settings.
Video/Audio
Audio Setting
Computer 1
Computer 2
Video Source Color Temp.
Red Gain
Green Gain
Blue Gain
User, LOW, MID, HIGH 
0 - 100
0 - 100
0 - 100
Color
Hue
Saturation
Gain
Red, Green, Blue, 
Cyan, Megenta, Yellow
Overscan
Noise ReductionVideo Setting
Microphone Volume
Speaker Volume
Mute0% - 10%
Off, LOW, MID, HIGHSaturation*4
Sharpness*5
Tint*6
0 - 10
0...

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Black, Red, Green, Blue, 
Cyan, Yellow, Magenta, White
Status MessageInput Password
Password Delete
Off, CC1, CC2, CC3, CC4, 
T1, T2, T3, T4
OSD Setting
OSD TimeoutTop-Left, Bottom-Left, Center, 
Top-Right, Bottom-Right
20 - 60
0, 10, 20, 30, 40, 50, 60, 70, 80, 90OSD Transparency
Zoom
DCR
Test Pattern Others
Green ModeSwap Display TypeOff, PIP, POP
Yes, No Setting
Filter Mode*2
High AltitudeFront-Table, Front-Ceiling, 
Rear-Table, Rear-Ceiling Auto Keystone
Keystone -40 - +40
Aspect Ratio
Auto, 4:3,...

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*1 Adjustable range and default setting vary depending on signal type.
*2 This function is only available when the projector is installed an optional filter cover.
*3 The selectable Function list includes Color Mode, Gamma, Overscan, Noise 
Reduction, Keystone and Filter Mode.
*4 Saturation is supported under Component, Video and S-Video modes.
*5 Sharpness is supported under HDMI, Component, Video and S-Video modes.
*6 Tint is supported under Component, Video and S-Video modes.
Information
Factory...