Optoma EP721 Support Question
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Question posted by hencub on September 16th, 2012
Projector Shuts Down Every Other 5 Or 10 Minutes. What Is The Problem?
Is this a built-in safety measure against overheating. Is there some timer involved or does the bulb need to be replaced?
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Related Optoma EP721 Manual Pages
User's Manual - Page 2
...24" safety cable
1
10 6" Extension Shaft (not shown)
1
11 9" Extension Shaft (not shown)
1
12 1/4" Star Washers
4
13 Hex Wrench
1
T.M.
715 Sycamore Drive Milpitas, CA 95035 Refer to damage the projector. ...from step 2 above. Select an appropriate projector mounting location and extension shafts (Part No. 9, 10, 11) needed, if any, to the projector. Place the Ceiling Mount Assembly onto ...
User's Manual - Page 1
...Safety Information 2 Precautions...3 Eye Safety Warnings 5 Introduction 6 Product Features 6 Package Overview 7 Product Overview 8
Main Unit...8 Control Panel...9 Connection Ports 10 Remote Control...11
Installation 12 Connecting the Projector... Troubleshooting 41
Image Problems 41 Intermission Problems 44 Projector Status Indication 44 Remote Control Problems 46 Replacing the Lamp 47 ...
User's Manual - Page 2
...these instructions -for safety related markings. 10. Install in a position and location that will not interfere with its ventilation openings. B. Only use this projector near any heat ...
A. Opening or removing covers may keep air from overheating, put it from flowing through its proper ventilation. The projector should not be referred to an authorized service center ...
User's Manual - Page 3
... moisture.
▀■ Warning- Please contact your eyes.
▀■ Warning- To reduce the risk of its life, the projector will show on until the lamp module has been replaced.
When switching the projector off, please ensure the cooling cycle has been completed before disconnecting the power. will not turn back on the...
User's Manual - Page 14
...approximately 10 seconds. The first time you use the projector, you connect multiple sources at the same time, press the "Source" button on the control panel or direct source key on the projector first ...player, etc.). Turn on the lamp by pressing "Power" button either on the
top of the projector or on your preferred language from quick menu after the startup screen display. 4. Turn on the ...
User's Manual - Page 15
... has overheated. Disconnect the power cord from the electrical outlet and the projector.
5. Warning Indicator
When the "LAMP" indicator lights red, the projector will disappear after it has cooled down. The cooling fans continue to confirm, otherwise the message will automatically shut itself down . The projector will automatically shut itself down . See pages...
User's Manual - Page 17
... 15.9" (40.4cm) 20.44" (51.9cm) 27.26" (69.2cm) Hd
Min. 2.48" (6.3cm) 6.19" (15.7cm) 10.32" (26.2cm) 14.45" (36.7cm) 18.58" (47.2cm) 24.78" (62.9cm)
Distance
3.9' (1.2m) 9.8' (3.0m...) 23.0' (7.0m) 29.5' (9.0m) 39.4' (12.0m)
This graph is clear. Installation
Adjusting the Projector's Zoom / Focus
You may turn the zoom lever to 12.0 meters). To focus the image, rotate the focus ring...
User's Manual - Page 39
... automatically power off when the countdown has finished (in minutes). The projector will automatically power off then the sleep timer countdown has finished.
39 English
Auto Power Off (min)
Sets the countdown timer interval. Sleep Timer (min)
Sets the countdown timer interval. Then projector will automatically power on when AC power is no signal being sent to...
User's Manual - Page 41
...image, you will also need to change the monitor display you are not bent or broken. Check if the projection lamp has been securely installed. If the projector is lower than or ...
refer to the "Replacing the lamp" section.
Make sure you have removed the lens cap and the projector is lower than or equal to UXGA (1600 x 1200).
41 English If a problem persists, please contact ...
User's Manual - Page 43
...) aspect ratio type on
your DVD player.
Image has slanted sides
If possible, reposition the projector so that it is centered on the
screen and below the bottom of the screen.
Press ... is Image is still stretched, you play anamorphic DVD or 16:9 DVD, the projector will also need to adjust the aspect ratio by referring to the following:
Please setup the display format...
User's Manual - Page 44
...(Lamp fail)
Flashing (0.25s on pages 47-48.
To replace the lamp, follow the procedures in the "Replacing the Lamp" section on , 0.25s off the projector, then unplug the power cord and
wait at least 60 seconds...61537;
No light
English 44 Appendices
Intermission Problems
The projector stops responding to all controls If possible, turn on until the lamp module has been...
User's Manual - Page 46
... batteries are no obstructions between the remote
control and the projector. English 46
Appendices
Remote Control Problems
If the remote control does not work Check the operating angle for the remote control is approximately
±22.5°.
Make sure there are inserted correctly. Replace weak batteries in the remote control.
User's Manual - Page 47
... injury if it to wear safety glasses if changing the bulb when ceiling mounted.
It is nearing the end of use caution when opening the lamp access panel. When the lamp life is recommended to cool down for at least 30 minutes before changing the lamp! Make sure the projector has been cooled down...
User's Manual - Page 48
... 6.
Remove the lamp module. To replace the lamp module, reverse the previous steps. 9. Appendices
1
3
5
2
4
5
Lamp Replacement Procedure: 1. Allow the projector to the projector by pressing the "Power" button. 2. Disconnect the power cord. 4. English 48 Switch off the power to cool down for at least 30 minutes. 3. Push up the lamp handle carefully. ...
User's Manual - Page 51
...: None UART16550 FIFO: Disable Projector Return (Pass): P Projector Return (Fail): F
XX=01-99, projector's ID, XX=00 is for all projectors
RS232 Protocol Function List
RS232 Commands
SEND to projector
232 ASCII Code HEX Code
...30 33 33 20 31
Reset
~XX34 n
7E 30 30 33 34 20 n
BrilliantColor™
n= 0 - 10
~XX35 1
7E 30 30 33 35 20 31
Degamma
Film
~XX35 2
7E 30 30 33 35 20 ...
User's Manual - Page 52
...30 30 37 37 20 n
Security
Security Timer
Month/Day/Hour
nnnnnn
~XX78 1
7E 30...
~XX140 10
7E 30...Projector Return Description
~XX150 1
7E 30 30 31 35 30 20 31
Information
OKabbbbcdddde a: 1/0=On/Off
bbbb: LampHour
c: source 0/1/2/3/4/5/6= None/DVI-D/VGA1/
VGA2/SCART/S-Video/Video
dddd: FW version
e: Ddisplay mode
~XX151 1
7E 30 30 31 35 31 20 31
Model name
OKn
n: 0/1/2/3 EP721...
User's Manual - Page 53
... a mount to the projector met the following specifications:
Please note that there is at least 10cm distance between the bottom cover of heat such as air-conditioning units and heaters, otherwise, it may overheat and shut down automatically.
53 English Avoid placing the projector near sources of the projector and the ceiling. 2. Appendices...
Protocol Function - Page 2
...30 37 37 20 n
Security
Security Timer
Month/Day/Hour
nnnnnn
~XX78 1
7E 30 30 37 38 20 31
Security Settings On
~XX78 2
7E 30 30 37 38 20 32
Off
~XX79 n
7E 30 30 37 39 20 n
Projector ID
n=00-99
~XX80 1
7E ...31 34 30 20 38
Mouse Left Click
~XX140 9
7E 30 30 31 34 30 20 39
Mouse Right Click
~XX140 10
7E 30 30 31 34 30 20 31 30
Up/Page +
~XX140 11
7E 30 30 31 34 30 20 31 ...
Datasheet - Page 1
...EP721 is user-friendly and delivers superior performance. EP721 − Multimedia Projector
Datasheet - EP721
Delivering Multi-Faceted Performance The Optoma EP721 is a multi-faceted digital projector... m)
Projection Distance 3.9' to 39.4' (1.2 to 85 Hz
Weight 4.4 lbs (2 kg)
Dimensions (W x H x D) 10.2" x 2.9" x 7.4" (259 x 73 x 188 mm)
Operating Temperature 40-95°F (5-35°C) (80% ...
Brochure - Page 2
EP721 | Multimedia Projector
Projection Distance/Image Size
Projection Distance (Feet)
Maximum Diagonal (Inches)
Minimum Diagonal (Inches)
6
42.6
41.9
8
61.5
55.8
10
76.9
69.8
12
92.3
83.7
14
108
97.7
16
123
112
18
138
126
Control Panel
Power LED AV Mute
Lamp LED Temp LED
Directional ...
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