ViewSonic Projector PJD7820HD User Manual

 6
Projector exterior view
1. External control panel
(See Projector on page 7 for 
details.)
2. Lamp cover
3. Vent (heated air exhaust)
4. Front IR remote sensor
5. Adjuster foot
6. Focus and Zoom rings
7. Projection lens
8. RS-232 control port
9. Type B USB port
10. HDMI port
11. RGB (PC)/Component video 
(YPbPr/YCbCr) signal input 
socket-2
12. RGB (PC)/Component video 
(YPbPr/YCbCr) signal input 
socket-1
13. RGB signal output socket
14. S-Video input socket
15. Video input socket
16. Audio signal...

 7
Controls and functions
Projector
1. Focus ring
Adjusts the focus of the projected image.
2. Zoom ring
Adjusts the size of the image.
3. Keystone/Arrow keys ( / Up,  /
Down)
Manually corrects distorted images 
resulting from an angled projection.
4. Left/Blank
Hides the screen picture.
5. POWER indicator light
Lights up or flashes when the projector is 
under operation.
POWER
Toggles the projector between standby 
mode and on.
6. SOURCE
Displays the source selection bar.
7. MENU/EXIT
Turns on the...

 8
Remote control
To use the remote mouse control keys 
(Page Up, Page Down,  , and ), see 
Using the remote mouse control on 
page 10 for details.
1. POWER
Toggles the projector between standby 
mode and on.
2. Source selection keys (VGA/Video)
Selects an input source for display.
VGA
Selects D-Sub / Comp. 1 or D-Sub / 
Comp. 2 source for display.
Video
Selects Video (HDMI/Video/S-
Video) source for display.
3. Source
Displays the source selection bar.
4. Keystone keys ( / )
Manually corrects distorted...

 9
Remote control code
The projector can be assigned to two different remote control codes, A or B. When several 
adjacent projectors are in operation at the same time, switching the remote control codes 
can prevent interference from other remote controls. Set the remote control code for the 
projector first before changing that for the remote control.
To switch the code for the projector, select A or B in the SYSTEM SETTING: 
ADVANCED > Remote Control Code menu.
To switch the code for the remote...

 10
Using the remote mouse control
The capability of operating your computer with the remote control gives you more 
flexibility when delivering presentations. 
1. Connect the projector to your PC or notebook with a USB cable prior to using the 
remote control in place of your computer’s mouse. See Connecting a computer on 
page 15 for details.
2. Set the input signal to D-Sub / Comp. 1, D-Sub / Comp. 2.
3. Press Mouse on the remote control to switch from the normal mode to the mouse 
mode. An icon...

 11
Replacing the remote control batteries
1. To open the battery cover, turn the remote control over to view its back, push on the 
finger grip on the cover and slide it in the direction of the arrow as illustrated. The 
cover will slide off.
2. Remove any existing batteries (if necessary) and install two AAA batteries observing 
the battery polarities as indicated in the base of the battery compartment. Positive (+) 
goes to positive and negative (-) goes to negative.
3. Refit the cover by aligning it...

 12
Positioning your projector
Choosing a location
Your room layout or personal preference will dictate which installation location you select. 
Take into consideration the size and position of your screen, the location of a suitable power 
outlet, as well as the location and distance between the projector and the rest of your 
equipment.
Your projector is designed to be installed in one of four possible installation locations:
1. Front Table
Select this location with the projector placed near 
the floor...

 13
Projection dimensions
Refer to Dimensions on page 58 for the center of lens dimensions of this projector before 
calculating the appropriate position.
The screen mentioned below refers to the projection screen usually consisting of a surface 
and a support structure
There is 3% tolerance among these numbers due to optical component variations. It is 
recommended that if you intend to permanently install the projector, you should physically 
test the projection size and distance using the actual...

 14
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. 
• In the connections shown below, some cables may not be included with the projector (see 
Shipping contents on page 5). They are commercially available from electronics stores.
• The connection illustrations below are for reference only. The rear connecting jacks 
available on the...

 15
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 or COMPUTER 
IN 2...