Optoma Tx785 Projector User Manual

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Setup | Language
Language
Choose  the  multilingual  OSD  menu.  Press ENTER (              )  into  the  sub 
menu and then use the Left ( ◄) or Right (►) key to select your preferred 
language. 
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							English
Setup | Signal
Frequency
Change the display data frequency to match the frequency of your  
computer’s graphics card. If you experience a vertical flickering bar, use 
this function to make an adjustment.
Phase
Phase synchronizes the signal timing of the display with the graphics 
card. If you experience an unstable or flickering image, use this function 
to correct it.
H. Position
4
 Press ◄ to move the image left.
4 Press ► to move the image right.
V. Position4
 Press ◄ to move the image down.
4 Press ► to move the image up.
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							English
Setup | Security
Security Timer
Enter the Security Timer sub menu.
Enter the Months, Days, and hours that the projector can be used without 
entering  the  password.  Exiting  to  the  Setup  menu  activates  the  Security 
Timer.
Once  activated,  the  projector  requires  a  password  on  the  specified  dates 
and times to allow power on and access to the security menu. 
If  the  projector  is  in  use  and  the  Security  Timer  is  active,  the  following 
screen displays 60 seconds before the password is required. 
v No password is required to 
access Setup 
| Security 
unless the 
Security Timer 
or Security 
Setting are  
enabled.
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							English
Setup | Security
Change Password
Use this submenu to change the security password for the projector. 
1.  Select  Change  Password  from  the  Security  submenu.  The  Confirm  Change Password dialog box displays.
2. Select Yes. 
3. Enter the default password     . A second password screen displays.
4. Enter the new password twice for verification. v If the incorrect  password is 
entered three 
times, the 
device auto 
shutdowns after 
10 seconds.
v If the new passwords 
do not match, 
the password 
screen  
redisplays.
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Setup | Security
Security Setting
Enable or disable the security password.
4  Enabled—the  current  password  is  required  to  power  on  the  projector  and access the Security menu.
4 Disabled—no password is required for any function.
When security is enabled, the following screen displays at startup and 
before access to the Security menu is allowed:
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Setup | Audio
Volume
Press ◄ to decrease the volume of voice.  
Press ► to increase the volume of voice.
Mute
Toggle the audio on or off.
4 Off—the speaker volume is turned on.
4 On–the speaker volume is turned off. 
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							English
Setup | Advanced
Logo
Select the screen to display during startup. 
4 Optoma—the supplied default startup screen.
4 User—customized screen capture using the Logo Capture function.
Logo Capture
Capture a displayed screen to use as the startup screen.
1. Display the desired screen on the projector.
2. Select Logo Capture from the Advanced menu. A confirmation screen displays.
3. Select OK. Screen capture in progress will display.  When finished, Screen capture Succeeded will display. 
The captured screen is saved as User in the logo menu. 
Closed Captioning
Select the screen to display closed captioning
4 Off–the supplied default setting.
4 CC1 I CC2–closed captioning type select.
v Only one  startup screen 
can be saved 
at once. 
Subsequent 
captures  
overwrite 
previous files 
limited in  
1280 x 800.
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Setup | RS232
RS232
Press Enter to enter the RS232 sub menu and use the Left (◄) or Right (►) 
key to select your preferred RS232 control.
When selecting Network, a message displays as below: 
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Setup | Network
Network
Press Enter to apply Network settings. If the connection is successful,
the OSD display will show the following dialogue box.
4 Network State—to display network information.
4DHCP:On:  Assign  an  IP  address  to  the  projector  from  the  DHCP  server  automatically.
Off: Assign an IP address manually.
4 IP Address—Select an IP address
4Subnet Mask—Select subnet mask number.
4Gateway—Select  the  default  gateway  of  the  network  connected  to  the 
projector.
4DNS—Select DNS number.
4Apply—Press Enter to apply the selection.
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Options
Source Lock
Lock  the  current  source  as  the  only  available  source,  even  if  the  cable  is 
unplugged. 
4 On—only the current source is recognized as an input source.
4 Off—all sources selected in Image | Advanced | Input Source are  recognized as an input source.
High Altitude
Adjust the fan speed to reflect the environment.
4 On—increases fan speed for high temperature, humidity, or altitude.
4 Off—regular fan speed for normal conditions.
Information Hide
Suppress informational messages on the projected screen.
4 On—no status messages appear on screen during operation.
4 Off— status messages appear as normal on screen during operation.
Keypad Lock
Lock the buttons on the projector top panel.
4 On—a warning message displays to confirm keypad lock.
4 Off—projector keypad functions as normal.
User Controls