Optoma Technology TX780 Adjusting the Projector Zoom / Focus, Adjusting Projection Image Size

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Installation

Adjusting the Projector Zoom / Focus

You may turn the zoom lever to zoom in or out. To focus the image, rotate the focus ring until the image is clear. The projector will focus at distances from 3.3 to 40.0 feet (1.0 to 12.2 meters).

Zoom Lever

Focus Ring

Adjusting Projection Image Size

 

Height

Width

123.0"

 

(312.5cm)

73.8"

(187.5cm)

24.6"

(62.5cm)102.5" 61.5" (260.4cm)

20.5" (156.3cm) (52.1cm)

172.2"

(437.5cm)

143.5"

(364.6cm)

300.2"

(762.5cm)

221.5"

(562.5cm)

250.2" 184.5" (635.4cm)

(468.8cm)

Hd

3.3'(1.0m)

9.8'(3.0m)

16.4'(5.0m)

23.0'(7.0m)

29.5'(9.0m)

40.0'(12.2m)

Screen

 

Max.

24.6”(62.5cm)

73.8”(187.5cm)

123.0”(312.5cm)

172.2”(437.5cm)

221.5”(562.5cm)

300.2”(762.5cm)

(Diagonal)

 

 

 

 

 

 

 

 

 

Min.

20.5”(52.1cm)

61.5”(156.3cm)

102.5”(260.4cm)

143.5”(364.6cm)

184.5”(468.8cm)

250.2”(635.4cm)

 

 

 

 

 

 

 

 

 

Screen

 

Max.

19.68”x 14.76”

59.04” x 44.28”

98.4” x 73.8”

137.76” x 103.32”

177.20” x 132.90”

240.16” x 180.12”

 

(WxH)

50.0 x 37.5cm

150.0 x 112.5cm

250.0 x 187.5cm

350.0 x 262.5cm

450.0 x 337.5cm

610.0 x 457.5cm

Size

 

 

 

 

 

 

 

 

 

Min.

16.40” x 12.30”

49.20” x 36.90”

82.0” x 61.5”

114.8” x 86.1”

147.6” x 110.7”

200.16” x 150.12”

 

 

(WxH)

41.7 x 31.3cm

125.0 x 93.8cm

208.3 x 156.2cm

291.7 x 218.8cm

375.0 x 281.3cm

508.3 x 381.2cm

 

 

 

 

 

 

 

 

 

Hd

 

Max.

2.21” (5.6cm)

6.64” (16.9cm)

11.07” (28.1cm)

15.50” (39.4cm)

19.94” (50.6cm)

27.02” (68.6cm)

 

 

 

 

 

 

 

 

 

Min.

1.85” (4.7cm)

5.54” (14.1cm)

9.23” (23.4cm)

12.92” (32.8cm)

16.61” (42.2cm)

22.52” (57.2cm)

 

 

 

 

 

 

 

 

 

 

 

Distance

 

3.3’ (1.0m)

9.8’ (3.0m)

16.4’ (5.0m)

22.3’ (7.0m)

29.5’ (9.0m)

40.0’ (12.2m)

This graph is for user’s reference only.

17English

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Contents Regulation & safety notices Operation conditions Table of Contents Class B emissions limits Safety InformationImportant Safety Instruction Usage NoticePrecautions Don’t Eye Safety Warnings Introduction Product FeaturesDocuments Package OverviewMain Unit Product OverviewControl Panel Connection Ports Remote Control with Mouse Function and Laser Pointer Connecting the Projector InstallationConnect the Computer/Notebook Connect the Video Powering On the Projector Powering On/Off the ProjectorLens Cap Power/Standby Powering off the projector Adjusting the Projector Image Height Adjusting the Projected ImageTilt Adjusting Foot Elevator Feet Adjusting Projection Image Size Adjusting the Projector Zoom / FocusUser Controls Control Panel & Remote ControlDisplay Volume +Display Mode KeystoneSource Lock ClearVideo On Screen Display Menus How to OperateMenu Tree Contrast Display ModeImage-I BrightnessSaturation Colour TemperatureSharpness Image-II Ver. Shift Input SignalColour ColourDVI/VGA Language LanguageManagement RS232 Port VolumeReset PIP Source SwitchLogo Security SettingsLogo Capture LAN How to use web browser to control your projector Local Area Network LAN Lamp & Power Problem No image appears on screen TroubleshootingAppendices Problem Image has vertical flickering bar Problem Image is unstable or flickeringProblem Image is out of focus Problem LED lighting message Problem The image is stretched when displaying 169 DVDProblem Image is reversed Problem Lamp burns out or makes a popping soundProblem Message Reminders Replacing the Lamp Lamp Replacement ProcedureAnalog Digital Compatibility ModesRS232 Connector VGA-In Connector RS232 CommandsCeiling Mount Installation USA Optoma Global Offices