ViewSonic Pro8400 Projector User Manual

ViewSonic  Pro8400 9
Rear View 
Connection ports
AC power socket
Kensington lock
Rear IR remote control sensor
Spe ak er
Ventilation holes (exhaust)
Bottom View
Ceiling mount holes (M4*8)
Tilt-adjustment feet
Security bar
132465
1
2
23
4
5
56
3
2
1
1
22
3
This projector can be used with a ceiling mount for support. The ceiling mount is
not included in the package.
Contact your dealer for information to mount the projector on a ceiling. 

ViewSonic  Pro8400 10
Using the Product
Control Panel
Power (Power LED indicator)
Refer to “LED Indicator Messages”.
TEMP (Temperature LED indicator)
Refer to “LED Indicator Messages”.
LAMP (Lamp LED indicator)
Refer to “LED Indicator Messages”.
Keystone/Arrow keys ( /Up,  /Down)
Manually correct distorted images resulting from an angled projection.
Four directional buttons
Use four directional buttons to select items or make adjustments to your  selection.
ENTER
Enter to sub-menu and confirm the menu...

ViewSonic  Pro8400 11
Connection Ports
RS-232
When operating the projector via a computer, connect this to the controlling 
computers RS-232C port.
Monitor Out
Connect to a computer display, etc.
Component (Y Cb/Pb Cr/Pr)
Connect Y Cb/Pb Cr/Pr output from video equipment to this jack.
S-Video
Connect S-Video output from video equipment to this jack.
USB B
USB display supports computer connection via USB mini-B type to A type cable.
USB A
This connector supports firmware update, USB flash drive display...

ViewSonic  Pro8400 12
Audio Out
Connect to a speaker or other audio input equipment.
Audio 2
Connect an audio output from video equipment or computer to this jack.
Audio 1
Connect an audio output from video equipment or computer to this jack.
Audio 3 (L/R)
Connect an audio output from video equipment to this jack.
Video
Connect composite video output from video equipment to this jack.
Computer in 2
Connect image input signal (analog RGB or component) to this jack.
Computer in 1
Connect image input signal...

ViewSonic  Pro8400 13
Remote Control
Power
Turn the projector on or off.
HDMI 1
Display HDMI 1 signal.
Video
Switch input source to Composite/
S-Video by sequence.
Up/Volume +,  Down/
Volume -
When the On-Screen Display 
(OSD) menu is not activated, 
adjust the projector’s sound level.
Left/Mute
When the On-Screen Display 
(OSD) menu is not activated, this 
button is used as mute function.
Menu
Display on-screen display menus.
User 1
Recall the customized settings  
based on the current available...

ViewSonic  Pro8400 14
User 2
Recall the customized settings  
based on the current available 
settings.
PIP/POP
Switch screen to PIP/POP by 
sequence.
Swap
Swap input source in PIP or POP 
image.Aspect
Select the display aspect ratio.
RGBCMY
Change indivial RGBCMY color (user 
color setting).
Default
Restore settings to factory default.20
21
22
23
24
25 

ViewSonic  Pro8400 15
Installing the Batteries
1. Open the battery cover in the 
direction shown.
2. Install batteries as indicated by the 
diagram inside the compartment.
3. Close the battery cover into 
position.
Caution
 Risk of explosion if battery is replaced by an incorrect type.
 Dispose of used batteries according to the instructions.
 
Make sure the plus and minus terminals are correctly aligned when loading a battery.
Keep the batteries out of the reach of children. There is a danger of...

ViewSonic  Pro8400 16
Remote Control Operation
Point the remote control at the infrared remote sensor and press a button.
Operating the projector from
the front
Operating the projector from 
the rear
HDMI
1HDMI
2Compo
PC Video
Swap
Default
7m5m15
306m
8m
6m
HDMI
1HDMI
2Compo
PC Video
Swap
Default
15
306m
8m
6m
Do not point the laser directly to the peoples eyes (especially small children). 
There is a danger of injury to the eyes.
The remote control may not operate when there is sunlight or other...

ViewSonic  Pro8400 17
Connection
When connecting a signal source to the projector, be sure to:
1. Turn all equipment off before making any connections.
2. Use the correct signal cables for each source.
3. Ensure the cables are firmly inserted.
ImportantIn the connections shown above, some cables may not be included with the 
projector (see “Package Contents” on page 6). They are commercially 
available from electronics stores.
The connection illustrations above are for reference only. The rear...

ViewSonic  Pro8400 18
Connecting a computer or monitor
Connecting a computer
The projector provides two VGA input sockets that allow you to connect them to both 
IBM® compatibles and Macintosh® computers. A Mac adapter is needed if you are 
connecting legacy version Macintosh computers.
To connect the projector to a notebook or desktop computer:
1. Take the supplied VGA cable and connect one end to the D-Sub output socket of 
the computer.
2. Connect the other end of the VGA cable to the 
Computer in 1...