BenQ RP702 RP702 User Manual - Page 57

Troubleshooting, Auto Tune, Clock, Phase, Horizontal Position, Vertical Position

Page 57 highlights

Troubleshooting 53 Troubleshooting Problem No picture No sound The computer input image looks strange The control panel buttons do not work Solution Check the following: • Is the display turned on? Check the power indicator of the display. • Is the signal source device turned on? Turn on the device and try again. • Are there any loose cable connections? Make sure that all cables are connected firmly. • Have you chosen an unsupported output resolution on the computer? Refer to Supported input signal resolution on page 51 to select a supported resolution and try again. • Have you chosen an unsupported output resolution on the DVD or Blu-ray disc player? Refer to Supported input signal resolution on page 51 to select a supported resolution and try again. Check the following: • Have you turned on the mute function on the display or the input source device? Turn off the mute function or increase the audio volume level and try again. • Are there any loose cable connections? Make sure that all cables are connected firmly. • Have you chosen an unsupported output resolution on the computer? Refer to Supported input signal resolution on page 51 to select a supported resolution and try again. • Use the Auto Tune function (See Picture menu on page 32) to let the display automatically optimize the display of computer image. • If the result of the Auto Tune function is not satisfactory, use the Clock, Phase, Horizontal Position, and Vertical Position functions to manually adjust the image. Have you locked the control panel buttons? Unlock the buttons and try again.

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Troubleshooting
53
Troubleshooting
Problem
Solution
No picture
Check the following:
• Is the display turned on? Check the power indicator of the
display.
• Is the signal source device turned on? Turn on the device
and try again.
• Are there any loose cable connections? Make sure that all
cables are connected firmly.
• Have you chosen an unsupported output resolution on
the computer? Refer to
Supported input signal resolution
on page 51
to select a supported resolution and try again.
• Have you chosen an unsupported output resolution on
the DVD or Blu-ray disc player? Refer to
Supported input
signal resolution on page 51
to select a supported
resolution and try again.
No sound
Check the following:
• Have you turned on the mute function on the display or
the input source device? Turn off the mute function or
increase the audio volume level and try again.
• Are there any loose cable connections? Make sure that all
cables are connected firmly.
The computer input
image looks strange
• Have you chosen an unsupported output resolution on
the computer? Refer to
Supported input signal resolution
on page 51
to select a supported resolution and try again.
• Use the
Auto Tune
function (
See
Picture
menu on page
32
) to let the display automatically optimize the display of
computer image.
• If the result of the
Auto Tune
function is not satisfactory,
use the
Clock
,
Phase
,
Horizontal Position
, and
Vertical Position
functions to manually adjust the image.
The control panel
buttons do not work
Have you locked the control panel buttons? Unlock the
buttons and try again.