Optoma Projector Ep1690 User Manual

English3

User Controls

 Lamp Hour
Displays the cumulative lamp operating time.
 Lamp Reminder
Choose this function to show or to hide the warning message 
when the changing lamp message is displayed. The message will 
appear up 30 hours before suggested replacement of lamp. 
 Lamp Reset
Reset the lamp life hour after replacing the lamp.
Options | 
Lamp settings  

English32

User Controls

Options | 
Security Setting
 Security Timer
Can be select the month/day/hour function. 
Month 
Can be select the month function to set the number of month the projector can be used . Once the time has elapsed you will be re-quested to enter your password again.
Day
Can be select the day function to set the number of day the projec-tor can be used . Once the time has elapsed you will be requested to enter your password again.
Hour
Can be select the hour function to set the...

English33

User Controls

Options
 Reset
Return the adjustments and settings to factory default values.
 Current : Returns the current source’s settings to factory de-fault.
 All : Returns the settings for all menus to factory default values.  

English34

Appendices

Problem: No image appears on screen
 Ensure all the cables and power connections are correctly and 
securely connected as described in the “Installation” section.
 Ensure the pins of connectors are not crooked or broken.
 Check if the projection lamp has been securely installed. Please 
refer to the “Replacing the lamp” section.
 Make sure you have removed the lens cap and the projector is 
switched on.
 Ensure that the “AV Mute” feature is not turned on.
Problem: Left of...

English3

Appendices

 If you are using a Notebook:
1.  First, follow the steps above to adjust resolution of the com
-
puter.
2.  Press the toggle output settings. example: [Fn]+[F4]
   
 If you experience difficulty changing resolutions or your monitor 
freezes, restart all equipment including the projector.
Problem: The screen of the Notebook or PowerBook computer 
is not displaying a presentation
 If you are using a Notebook PC:
Some Notebook PCs may deactivate their own screens when a...

English36

Appendices

Problem: The image is stretched when displaying 16:9 DVD
The projector automatically detects 16:9 DVD and adjusts the aspect ratio by digitizing to full screen with 4:3 default setting.
If the image is still stretched, you will also need to adjust the aspect ratio by referring to the following:
 Please select 4:3 aspect ratio type on your DVD player if you are playing a 16:9 DVD.
 If you can’t select 4:3 aspect ratio type on your DVD player, please select 4:3 aspect ratio in the...

English3

Appendices

Problem: Message Reminders
 Fan fail: 
 Over heated:
 Power Off:
  Replace the lamp:  

English3

Appendices

Replacing the Lamp
The projector keeps track of the lamp usage.  It will show you 
a warning message 
When you see this message, change the lamp as soon as pos-
sible. Make sure the projector has cooled down for at least 30 
minutes before changing the lamp. 
Warning :Lamp compartment is hot!  Allow 30 minutes to cool down before changing lamp!
Warning : To reduce the risk of personal injury, do not drop the lamp module or touch the lamp bulb. The bulb may shatter and cause...

English3

Appendices

Remark :
“*”compressed computer image.
Compatibility Modes
ModeResolution(ANALOG)(DIGITAL)
V.Frequency(Hz) H.Frequency(kHz) V.Frequency(Hz) H.Frequency(kHz) 
VESA VGA640 x 3507031.57031.5
VESA VGA640 x 3508537.98537.9
VESA VGA640 x 4008537.98537.9
VESA VGA640 x 4806031.56031.5
VESA VGA640 x 4807237.97237.9
VESA VGA640 x 4807537.57537.5
VESA VGA640 x 4808543.38543.3
VESA VGA720 x 4007031.57031.5
VESA VGA720 x 4008537.98537.9
VESA SVGA800 x 6005635.25635.2
VESA SVGA800 x...

English40

Appendices

RS232 Commands
Pin no.NameI/O (From Projec-tor Side
1TXDOUT
2RXDIN
3GND__
Pin no.Spec.
1R(RED)/Cr
2G(GREEN)/Y
3B(BLUE)/Cb
4GND
5GND
6GND
7GND
8GND
9DDC 5V
10GND
11GND
12DDC Date
13HD/CS
14VD
15DDC Clock
12345
678910
1112131415
12
3
RS232 ConnectorVGA-In Connector