Optoma Tx785 Projector User Manual

							English1
Options
Background Color
Select  the  desired  background  color  for  the  projected  image  when  no 
source is detected.
Advanced
Enter the Advanced menu. See page 52 for more details.
Lamp Setting
Enter the Lamp Setting menu. See pages 53-54 for more details.
Reset
Reset all Options to default factory settings.
User Controls 
						

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Options | Advanced
Direct Power On
Enable or disable Direct Power On.
4 On—the projector powers on automatically when AC power is supplied.
4 Off— the projector must be powered on as normal.
Auto Power Off
Set  the  Auto  Power  Off  interval.  The  projector  powers  off  the  lamp  after 
30 minutes of no signal by default. The following warning is displayed 60 
seconds before power off.
Sleep Timer
Set  the  Sleep  Timer  interval.  The  projector  powers  off  after  the  specified 
time  period  of  inactivity  (regardless  of  signal).  The  following  warning  is 
displayed 60 seconds before power off.
Power Mode (Standby)4
 Eco.: Choose “Eco.” to save power dissipation further < 1W.
4 Active: Choose “Active” to return to normal standby and the VGA  out port will be enabled.
User Controls
v When Power mode (Standby) 
is set to Eco, the 
VGA & Audio 
pass-through, 
RS232 and RJ45 
will be deacti-
vated when the 
projector is in 
standby. 
						

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Options | Lamp Setting
Lamp Hour
Displays the number of hours the lamp has been active. This item is for \
display only.
Lamp Reminder
Enable or disable the lamp life span reminder. 
4  On—a  warning  message  displays  when  remaining  lamp  life  is  less than 30 hours.
4 Off—no warning message displays.
Brightness Mode
Select the lamp brightness mode.
4 Bright—the default setting.
4 STD—lower brightness setting to conserve lamp life.
User Controls 
						

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Options | Lamp Setting
Lamp Reset
After  replacing  the  lamp,  reset  the  lamp  counter  to  accurately  reflect  the 
new lamp’s life span.
1. Select Lamp Reset.A confirmation screen displays.
2. Select Yes to reset the lamp counter to zero.
User Controls 
						

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LAN_RJ45
For simplicity and ease of operation, the Optoma projector provides di-
verse networking and remote management features.
The LAN/RJ45 function of the projector through a network, such as re-
motely manage:  Power On/Off, Brightness and Contrast settings. Also, 
projector status information, such as: Video-Source, Sound-Mute, etc.
LAN_RJ45
1. Connect an RJ45 cable to RJ45 ports on the projector and the PC (Laptop).
2. On the PC (Laptop), select Start -> Control Panel-> Network Connections.
v Projector connects to 
LAN, please 
use Ethernet 
Normal Cable.
v Peer-to-peer  (PC connects 
to Projector  
directly), 
please use 
Ethernet 
Crossover 
Cable.
User Controls 
						

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3. Right Click on your Local Area Connection, and select Property.
4. In the Properties window, select the General tab, and select Internet  Protocol (TCP/IP).
5. Click Properties.
6. Fill in the IP address and Subnet mask, then press OK. 
User Controls 
						

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7. Press the Menu button on the projector.
8. Select OSD-> SETUP-> Network-> Enabled.
9. Input the following:
4 IP Address:  10.10.10.10
4 Subnet Mask:  255.255.255.0
4 Gateway:  0.0.0.0
4 DNS:  0.0.0.0
10. Press Apply (Enter) to confirm settings. 11. Open a web browser (ex, Microsoft Internet Explorer with Adobe  Flash Player 9.0 or higher).
12. In the Address bar, input the IP address: 10.10.10.10. 
13. Press Apply.
The projector is setup for remote management. The LAN/RJ45 function 
displays as follows.
 
v For more  information, 
please visit 
http://www.
crestron.com
User Controls 
						

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Troubleshooting/ 
Help On-screen Display Menu
If you experience a problem with your projector, please refer to the 
following information. If a problem persists, please contact your local \
reseller or service center.
Image Problems
No image appears on-screen4
 Ensure all the cables and power connections are correctly and securely connected as described in the  Installation section.
4 Ensure all the pins of connectors are not bent or broken.
Appendices 
						

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4 Check if the projection lamp has been securely installed. Please refer to the Replacing the lamp section.
4 Make sure you have removed the lens cap and the projector is switched on.
Partial, scrolling or incorrectly displayed image
4
 Press “Re-Sync” on the remote.
4 If you are using a PC:For Windows 95, 98, 2000, XP:
1. Open the  My Computer icon, the  Control Panel folder, and 
then double click on the Display icon.
2. Select the Settings tab.
3.  Verify  that  your  display  resolution  setting  is  lower  than  or  equal to UXGA (1600 x 1200).
4. Click on the Advanced Properties button. If  the  projector  is  still  not  projecting  the  whole  image,  you 
will also need to change the monitor display you are using. 
Refer to the following steps.
5. Verify the resolution setting is lower than or equal to UXGA   
(1600 x 1200).
6. Select the Change button under the  Monitor tab.
7.  Click  on  Show  all  devices.  Next,  select  Standard  monitor 
types  under  the  SP  box;  choose  the  resolution  mode  you 
need under the “Models” box.
8.  Verify  that  the  resolution  setting  of  the  monitor  display  is  lower than or equal to UXGA (1600 x 1200). (*)
Appendices 
						

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4 If you are using a Notebook:
1. First, follow the steps above to adjust resolution of the  computer.
2. Press the toggle output settings. Example: [Fn]+[F4]
Acer  �   [Fn]+[F5]
Asus �   [Fn]+[F8]
Dell  �  [Fn]+[F8]
Gateway � 
  [Fn]+[F4]
Mac Apple: 
System Preference � Display � Arrangement � Mirror 
display IBM/Lenovo 
�[Fn]+[F7]
[Fn]+[F4]
HP/Compaq 
NEC � �
   [Fn]+[F3]
Toshiba  �   [Fn]+[F5]
If you experience difficulty changing resolutions or your   
monitor freezes, restart all equipment including the projector.
Appendices