Troubleshooting

Phenomena that may be easy to be mistaken for machine defects (continued)

Phenomenon

Cases not involving a machine defect

Reference

page

 

 

 

 

 

 

When the projector is operating in Eco mode,

 

 

flickering may appear on screen.

44

 

Set ECO MODE to NORMAL, and set AUTO ECO

Some kind

 

MODE to OFF, in the SETUP menu.

 

of image

 

 

The OVER SCAN ratio is too big.

 

degradation

36

Adjust OVER SCAN in the IMAGE menu smaller.

such as

 

flickering or

Excessive VIDEO NR.

39

stripes appear

on screen.

Change the setting of VIDEO NR in the INPUT menu.

 

The FRAME LOCK function cannot work on the

 

 

 

 

current input signal.

41

 

Set FRAME LOCK in the INPUT menu to OFF.

 

The sound

When LAN or USB TYPE B port is selected, some

 

or image

parts of the output may be missing due to signal

 

is unstable

processing delay.

22, 46

or is output

Change the signal or use another port.

 

intermittently.

 

 

The computer

The computer cannot start up in the current

 

connected to

hardware configuration.

 

the USB TYPE

Disconnect the USB cable from the computer, then

12

B port of the

reconnect it after starting up the computer.

 

projector does

 

 

not start up.

 

 

 

The SAVING function is working.

45

 

Select NORMAL for STANDBY MODE item in the SETUP

RS-232C does

menu.

 

The COMMUNICATION TYPE for the CONTROL port

 

not work.

 

 

is set to NETWORK BRIDGE.

59

 

Select OFF for COMMUNICATION TYPE item in the

 

 

 

OPTION - SERVICE - COMMUNICATION menu.

 

NETWORK

The NETWORK BRIDGE function is turned off.

 

BRIDGE

Select NETWORK BRIDGE for COMMUNICATION TYPE

59

function does

item in the OPTION - SERVICE - COMMUNICATION menu.

 

not work

 

 

 

The SAVING function is working.

45

 

Select NORMAL for STANDBY MODE item in the SETUP

Network does

menu.

 

not work

The same network address is set for both wireless

 

 

and wired LAN.

63, 68

 

Change the network address setting for wireless or wired LAN.

 

(continued on next page)

105

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Image 105
Dukane 8794H-RJ Over Scan ratio is too big, Excessive Video NR, Frame Lock function cannot work on Current input signal

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