Dell 4210X Projector Users Guide

Using Your Projector21
3To power off the projector quickly, press the Power button and hold for 1 second 
while the projectors cooling fans are still running.
 NOTE: Before you turn on the projector again, wait for 60 seconds to allow the 
internal temperature to stabilized. 
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...

22Using Your Projector
Adjusting the Projector Zoom and Focus 
 CAUTION: To avoid damaging the projector, ensure that the zoom lens and 
elevator foot are fully retracted before moving the projector or placing the 
projector in its carrying case.
1Rotate the zoom tab to zoom in and out.
2Rotate the focus ring until the image is clear. The projector focuses at distances 
ranging between 3.94 ft to 32.81 ft (1.2 m to 10 m).
1Zoom tab
2Fo c u s  r i n g
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Using Your Projector23
Adjusting Projection Image Size
256
(650.24cm)
231
(586.74cm)
179
(454.66cm)
128
(352.12cm)
77
(195.58cm)
30 
(76.20cm)
307(779.78cm)
277(703.58cm)
215(546.10cm)
154(391.16cm)
92(233.68cm)
37(93.98cm)Projector to screen distance
32.81(10.0m)29.53(9.0m)22.97(7.0m)16.40(5.0m)9.84(3.0m)3.94(1.2m) 

24Using Your Projector
Using the Control Panel
Screen 
(Diagonal)
Max. 37 
(93.98cm)92 
(233.68cm)154 
(391.16cm)215 
(546.10cm)277 
(703.58cm)307 
(779.78cm)
Min. 30 
(76.20cm)77 
(195.58cm)128 
(352.12cm)179 
(454.66cm)231 
(586.74cm)256 
(650.24cm)
Screen 
Size 
Max. 
(WxH)29.53 X 
22.0574.02 X 
55.51 123.23 X 
92.13172.44 X 
129.13 221.65 X 
166.14246.06 X 
184.65
(75cm X 
56cm)(188cm X 
141cm)(313cm X 
234cm)(438cm X 
328cm)(563cm X 
422cm)(625cmX 
469cm)
Min. 
(WxH)
24.8 X 18.5 61.42 X 
46.06...

Using Your Projector25
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 62 and Guiding Signals on 
page 66.
2TEMP warning light If the TEMP amber indicator is on or blinking, 
one of the following problems could be occurring:
• Internal temperature...

26Using Your Projector
7Down   / Keystone 
adjustment Press to navigate through the On-Screen Display 
(OSD) Menu items.
Press to adjust image distortion caused by tilting 
the projector (+40/-35 degrees).
8Menu  Press to activate the OSD. Use the directional 
keys and the Menu button to navigate through 
the OSD.
9Left   / Source Press to navigate through the On-Screen Display 
(OSD) Menu items.
Press to toggle through Analog RGB, Composite, 
Component (YPbPr via VGA), HDMI, and S-
video sources when...

Using Your Projector27
Using the Remote Control
1Power  Turns the projector on or off. For more 
information, see Turning Your Projector On on 
page 20 and Turning Your Projector Off on 
page 20.
2Enter  Press to confirm the selection.
3Right  Press to navigate through the On-Screen Display 
(OSD) Menu items.
4Down  Press to navigate through the On-Screen Display 
(OSD) Menu items.
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28Using Your Projector
5Aspect Ratio Press to change aspect ratio of a displayed image.
6Page up  Press to move to previous page.
 
NOTE: The USB cable must be connected if 
you want to use the Page Up feature.
7Mute  Press to mute or un-mute the projector speaker.
8Page down  Press to move to next page.
 
NOTE: The USB cable must be connected if 
you want to use the Page Down feature.
9Video mode The projector has preset configurations that are 
optimized for displaying data (presentation 
slides) or...

Using Your Projector29
19Auto adjust Press to synchronize the projector with the input 
source. Auto adjust does not operate if the OSD 
is displayed.
20Keystone adjustment  Press to adjust image distortion caused by tilting 
the projector (+40/-35 degrees). 

30Using Your Projector
Installing the Remote Control Batteries
 NOTE: Remove the batteries from the remote control when not in use.
1Press the tab to lift the battery compartment cover.
2Check the polarity (+/-) marking on the batteries.
3Insert the batteries and align their polarity correctly 
according to the marking in the battery compartment.
 NOTE: Avoid mixing different types of batteries or using 
new and old batteries together.
4Slip the battery cover back.
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