Dukane Projector 8920H-RJ - Manual (Page 73)

73
Phenomenon Cases not involving a machine defect
Reference
page
Pictures appear
dark.
The brightness and/or contrast are adjusted to an
extremely low level.
Adjust BRIGHTNESS and/or CONTRAST settings to a
higher level using the menu function.
27
The ECO MODE function is working.
Select NORMAL for the ECO MODE item in the SETUP
menu.
35
The lamp is approaching the end of its product
lifetime.
Replace the lamp.
62, 63
Pictures appear
blurry.
Either the focus and/or horizontal phase settings are
not properly adjusted.
Adjust the focus using the focus ring, and/or H PHASE
using the menu function.
19, 31
The lens is dirty or misty.
Clean the lens referring to the section “Caring for the lens”.
67
RS-232C does
not work.
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP
menu.
36
The COMMUNICATION TYPE for the CONTROL port is
set to NETWORK BRIDGE.
Select OFF for COMMUNICATION TYPE item in the
OPTION - SERVICE - COMMUNICATION menu.
48
Network does
not work
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP
menu.
36
NETWORK
BRIDGE
function does
not work
The NETWORK BRIDGE function is turned off.
Select NETWORK BRIDGE for COMMUNICATION TYPE
item in the OPTION - SERVICE - COMMUNICATION menu.
48
Schedule
function does
not work
The SAVING function is working.
Select NORMAL for STANDBY MODE item in the SETUP
menu.
36
Troubleshooting
• Although bright spots or dark spots may appear on the screen, this
is a unique characteristic of liquid crystal displays, and it does not constitute or
imply a machine defect.
NOTE
Phenomena that may be easy to be mistaken for machine defects (continued)