Troubleshooting, Symptoms that seemingly appear to be failures, Warning – Dukane P42 User Manual

Page 33: English

Advertising
background image

ENGLISH

23

TROUBLESHOOTING

■ Make the checks suggested below depending on the symptoms observed. If the

symptoms remain uncorrected, contact your dealer.

Symptoms That Seemingly Appear to be Failures

• Customer servicing can be hazardous.

WARNING

Symptom

Point to check

See

page

• No picture with the power-

indicating lamp off.

• Check the way the power cable is connected.
• Press the power switch.

• The message “POWER

SAVE” is displayed.

• No picture with the power

indicating lamp flickering in
green.

POWER SAVE

No sync signal is detected.
• Check the way the signal cable is connected.
• Make sure that the switch of the computer,

imaging equipment , etc., is turned on.

• Make sure the computer is not in the power-save

mode.

• Check to see if the input selection matches the

connection terminal.

• The message “OUT OF

FREQUENCY” is displayed.

OUT OF FRQUENCY

An input signal is not received normally.
• Check to see if the input signal matches the

monitor specifications.

• Check the way the signal cable is connected.

• The power indicating lamp is

normally lit but no picture .

• Check the contrast and brightness settings

(adjust them for higher contrast and brightness).

• Check the way the signal cable is connected.

• The display image appears

flowing slantwise.

• Text displayed across the

screen appears vertically
streaked, with the characters
in vertical columns blurred.

• Adjust the dot clock frequency and phase.

(Adjust the dot clock frequency first, the dot clock
phase next.)

(RGB input)

• Text displayed across the

screen appears blurred.

• A fine pattern flickers when

displayed on the screen.

• Adjust the dot clock phase for the clearest

viewing.

(RGB input)

• The remote controller does not work.

• Check to see if the batteries are loaded in the

remote controller in opposite direction.

• Check to see if the batteries in the remote

controller are OK.

6

7

9

6

7

9

21

28

6

7

21

6

7

11

13

16

25

16

26

8

10

15

15

Advertising