Dell Projector 7700 User Manual

Connecting Your Projector21
Connecting a DVD Player Using an HDMI Cable
 NOTE: The HDMI cable is not shipped with your projector. You can purchase 
the HDMI cable on the Dell website at www.dell.com. 1Po w e r  c o rd
2HDMI cable
12 

22Connecting Your Projector
Connecting to Local Area Network
To project an image and control the projector that is connected to a 
network through a RJ45 cable.
 NOTE: The RJ45 cable is not shipped with your projector. You can purchase the 
RJ45 cable on the Dell website at www.dell.com. 1Po w e r  c o rd
2RJ45 cable
1
Local Area Network (LAN) 

Connecting Your Projector23
Professional Installation Options: Installation for Driving Automatic 
Screen
 NOTE: Use a 12 V DC plug in, 1.7 mm (ID) x 4.00 mm (OD) x 9.5 mm (shaft), to 
connect the automatic screen to the projector.
12 V DC Plug
1Po w e r  c o rd
212 V DC Plug
3Motorized projection screen
1
23 

24Connecting Your Projector
Connection With Commercial RS232 Control Box
 NOTE: The RS232 (9-pin D-sub female to female pin2-3 swap) cable is not 
shipped with your projector. Consult a professional technician to obtain the 
cable. 1Po w e r  c o rd
2RS232 (9-pin D-sub female to female 
pin2-3 swap) cable
3Commercial RS232 control box
1
2
3 

Using Your Projector25
3
Using Your Projector
Turning Your Projector On
 NOTE: Turn on the projector before you turn on the source (computer, DVD 
player, etc.). The Power button light blinks blue until pressed.
1Remove the lens cap. 
2Connect the power cord and appropriate signal cables to the projector. For 
information about connecting the projector, see Connecting Your Projector on 
page 10. 
3Press the Po we r button (see Using the Control Panel on page 30 to locate the 
Po w e r button). 
4Turn on...

26Using Your Projector
3To power off the projector quickly, press the Power button and hold for 1 second 
while the projector’s cooling fans are still running.
 NOTE: Before you turn on the projector again, wait for 60 seconds to allow the 
internal temperature to stabilize. 
4Disconnect the power cord from the electrical outlet and the projector. 
Adjusting the Projected Image 
Raising the Projector Height 
1Press the Elevator button.
2Raise the projector to the desired display angle, and then release...

Using Your Projector27
Adjusting the Projector Zoom and Focus
 CAUTION: To avoid damaging the projector, ensure that the side door is fully 
closed and the elevator foot is fully retracted before moving the projector.
1Open the side door of the projector.
2Unlock the lens shift lock, before you adjust the lens shift.
3Turn the vertical/horizontal lens shift knob to shift the lens.
4After adjusting the lens shift, lock the lens shift lock.
5Pull the zoom ring adjustment up and down to zoom in and out....

28Using Your Projector
Adjusting Projection Image Size
244.17
(620.19 cm)
199.40
(506.48 cm)
156.67
(397.94 cm)
111 . 9 1 
(284.25 cm)
69.18
(175.72 cm)
20.3
(51.56 cm)
292.9 (743.97 cm)
239.29 (607.80 cm)
188.01 (477.55 cm)
134.29 (341.10 cm)
83.02 (210.87 cm)
24.42 (62.03 cm)
39.37 (12.0 m)32.15 (9.8 m)25.26 (7.7 m)18.04 (5.5 m)11.15 (3.4 m)3.28 (1.0 m)
Projector to screen distance 

Using Your Projector29
Desired
Distance (m)
(Min zoom) (Max zoom)
Screen size Top Screen size Top
Diagonal 
(inch) 
W (cm) x 
H (cm)From base to 
top of image 
(cm) 
Diagonal 
(inch) 
W (cm) x 
H (cm)From base to 
top of image 
(cm) 

1 20.3 45 x 25 29 24.42 54 x 30 35
3.4 69.18 153 x 86 99 83.02 184 x 103 119
5.5111.91248 x 139160134.29297 x 167192
7.7 156.67 347 x 195 224 188.01 416 x 234 269
9.8 199.4 441 x 248 286 239.29 530 x 298 343
12 244.17 541 x 304 350 292.9 649 x 365 420
134.29B
C
A
Height:...

30Using Your Projector
Using the Control Panel
1LAMP warning light If the LAMP amber indicator is on or blinking, 
one of the following problems could be occurring:
• Lamp is reaching its end of usable life
• Lamp module is not properly installed
• Lamp driver failure
• Color wheel failure
For more information, see Troubleshooting Your 
Projector on page 101 and Guiding Signals on 
page 105.
2TEMP warning light  If the TEMP amber indicator is on or blinking, 
one of the following problems could be...