Seiko Group POWERLITE 7500 UB Manual Do Utilizador

Problem Solving

■

Make sure the power cord is connected and the power switch in back of the projector is 
turned on. Then wait a moment for the Ppower icon to light up before pressing the 
P

power button.

■

If you’ve set the 

Operation Lock

, the control panel buttons are disabled; you must use 

the remote control to turn on the projector (see page 32).

■

If you’ve set the 

Child Lock

, you have to press the Ppower button for 3 seconds to turn 

on the projector, or use the remote control (see page 32).

No Signal 

 

■

Press one of the 

Source

 buttons on the remote control, or press the 

source button 

on the projector, to select the correct input source. Allow a few seconds for the projector 
to sync up after pressing the button.

■

Press the 

Blank

 button on the remote control to make sure the picture hasn’t been turned 

off temporarily.

■

Check that the Ppower icon is lit, the Ppower button is not flashing, and the lens cover 
is off.

■

The projector may be in standby (or sleep) mode. If the Ppower icon is lit, press the 
P

power button to turn the projector back on. 

■

Make sure your video equipment is turned on.

■

Make sure your cable(s) are connected correctly (see page 19).

■

Press the 

Aspect

 button to select a different aspect ratio (see page 28).

■

If the Aspect is set to 

Zoom

, you may need to use the 

Zoom Caption Pos. 

option to see 

the top or bottom section of the screen so that subtitles are visible (see page 45).

■

Check the 

Output Scaling

 to make sure it’s adjusted correctly (see page 45).

■

Use the 

Position

 setting to reposition the image on the screen (see page 45).

■

If you’ve connected a computer and you see only half the image, make sure the 
computer’s Dual Display setting is turned off. If part of the image is cut off, reset the 
projector settings (see page 44).