BenQ Pe7800 Digital Projector Home Theater Users Manual

  11   Overview
Projector Exterior View
Front / Upper Side
Rear Side
Bottom Side
Projection LensFocus Ring and Zoom Ring
Adjusts the focus and zoom of the projection lens.
Front IR SensorVentilation Holes (intake)Control Panel
Show lamp status and whether the projector is on or 
off. For more details, Control Panel on page 13.
Front Lamp Cover: Remove this cover when replacing the lamp.
Ventilation Holes (exhaust)Kensington Lock
This lock can withstand 150 N of force.
Front Adjuster button
Adjusts the...

12 Overview  
Connector Panel
1. Video (RCA jack)
Composite video signal input.
2. S-Video (mini DIN 4-pin)
Y/C (S-video) signal input
3. Component (RCA jacks)
480i Component (Y/C
B/CR) video signal input 
4. RGB/ HDTV (BNC)
DTV Y/P
B/PR or DTV RGB video signal input.
5. Computer (DVI-I)
RGB Computer and DVI signal input.
6. RS-232C (phone jack)
RS-232C control signal input.
7. 12V Trigger (mini jack) 
+12V output, active when the projector is turned on. 

  13   Overview
Controls and Functions
Control Panel
1. POWER (Refer to pages 19, 21 and 32 for more 
information.)
Press this key for ONE second to turn the 
projector on when it is in the standby mode. Or 
press this key twice to turn the unit off.8.POWER light
Indicates whether the unit is on or off
QThe orange light shows when the AC 
power cord is plugged into the wall 
outlet (standby mode). Once in the 
standby mode, you can press the 
POWER key on the projector or the ON 
key on the remote...

14 Overview  
 Remote Control
Notes on Remote Control Operation
QMake sure that there is nothing between the remote control and the IR sensor on the projector that 
might obstruct the infrared beam.
QThe effective range of the remote control is up to 8 meters from the front of the projector or 8 meters 
from the rear of the projector. The remote control must be held at an angle within 30 degrees of the 
projector’s IR remote control sensor.
EXIT
Exits and saves any changes made 
using the menu. (Refer to...

  15   Connecting
Connecting
When connecting any signal source to the projector, be sure to:
1. Turn off all equipment before making any connections.
2. Use the correct signal cables for each source.
3. Ensure the cables are firmly inserted. 
4. Connect all audio signals to external speakers. This projector is not equipped with speakers.
Connecting Video Inputs
Connecting to DVD players
If the selected video image is not displayed after the projector is turned on and the correct video source has been...

16 Connecting  
Connecting RGBHV (DTV RGB)
Connecting Video Equipment, a PC or another Computer using the 
DVI-I Connector
(not included in the 
accessory kit)To audio output 
terminalsTo audio input 
terminals DTV
To DVI-I terminals DVI-DVI cableTo DVI-I terminalsTo audio output 
terminalsTo audio input 
terminals Video equipment or computer 
with DVI-I terminal 

  17   Setting Up Your Projector
Setting Up Your Projector 
Preparations
1. Remove the lens cap.
2. Turn all of the connected quipment on.
3. Plug the supplied power cord into the AC inlet on the rear of 
this unit. 
4. Plug the power cord into a wall socket and turn the wall 
switch on.
5. Turn on the main power switch at the rear of this unit (next to 
the AC inlet). The POWER light will light up in orange. Press 
POWER ON/OFF key on the remote control or POWER key 
on the projector for ONE second to...

18  Setting Up Your Projector  
Setting Up the Screen
Ceiling Installtion for 16 : 9 Screen
Floor Installation for 16 : 9 Screen  
16 : 9 screen size (inch)    
The above numbers are approximate and may be slightly different from the actual measurements.
Screen SizeProjection DistanceOffset
Ty p e H e i g h t W i d t hMin.
(W x 1.63)Max.
(W x 1.99)(W x 0.12)
45.9 22.5 40.0 65.2 79.6 4.8
68.9 33.8 60.0 97.8 119.4 7.2
91.8 45.0 80.0 130.4 159.2 9.6
103.3 50.6 90.0 146.7 179.1 10.8
114.8 56.3 100.0 163.0...

  19   Basic Operation
Basic Operation
Turning the Power on
Follow the steps below.
1. Make sure the Power light is orange when power is applied 
and the main AC power switch is turned on. 
2. Press and hold the ON key on the remote control or the 
POWER key on the projector for ONE second to turn the 
projector on. The POWER light will flash orange while 
warming up,  then show a steady green.
3.  Searching…. will be displayed on the screen before the 
projector identifies the input signal. This message...

20  Basic Operation  
Selecting Aspect Ratio
QSelect an aspect ratio to suit the format of the video signal. There are five aspect 
ratios available:
1. ANA (ANAMORPHIC): Scales an image so that it is displayed in the center of 
the screen with a 16:9 aspect ratio.
2. Standard (4:3): Scales an image so that it is displayed in the center of the screen 
with a 4:3 aspect ratio.
3. LB (LETTERBOX): Enlarges an image with letterbox format to display it in full-
screen format with a 16:9 aspect ratio. The...