Runco Q-1500d Ultra/Cinewide 用户手册

Neither the Secondary DHD 
Controller nor the secondary 
optical engine turns on or 
responds to user commands. 
The vacuum fluorescent dis-
play on the Primary DHD Con-
troller front panel displays the 
following message:

Secondary DHD Error

Communication Failure

• The serial connection from 

the Primary DHD Controller 
to the Secondary DHD 
Controller is incorrect or the 
cable is faulty. 

• Ensure that the RS-232 (To 

Accessory Box) 
connectors on the Primary 
and Secondary DHD 
Controllers are connected 
to each other, using a 
known-good, “null-modem” 
(cross-over) cable (see 
Figure 3-14). 

The Brightness Acceleration 
Engine does not turn on or 
respond to user commands. 
The vacuum fluorescent dis-
play on the Primary DHD Con-
troller front panel displays the 
following message:

BAE Error

Communication Failure

• The HDMI CEC connection 

from the Primary DHD 
Controller to the Brightness 
Acceleration Engine is 
incorrect or the cable is 
faulty. 

• Ensure that the HDMI 1 

input on the Primary DHD 
Controller is connected to 
the Primary HDMI output 
on the Brightness 
Acceleration Engine, using 
a known-good HDMI cable 
(see Figure 3-14). 

The display and DHD Control-
ler both turn on, but there is no 
picture and on-screen menus 
do not appear. 

• Faulty or incorrect video 

connection from one or 
both DHD Controllers to 
the display. 

• Ensure that the HDMI 

outputs from both DHD 
Controllers are properly 
connected to the display 
(see Figure 3-13). 

• Try a known-good and/or 

shorter HDMI cable. 

The display is on and menus 
appear, but there is no picture. 

• Incorrect source selection. 
• Source component is not 

turned on. 

• Source component is 

connected incorrectly or 
not at all. 

• Select the correct source. 
• Turn on the source 

component. 

• Check connections from 

the source component to 
the Brightness Acceleration 
Engine. 

Image is too bright and/or 
lacks definition in the bright 
areas of the image. 

• Contrast is set too high. 

• Lower the contrast setting.

Image appears “washed out” 
and/or dark areas appear too 
bright. 

• Brightness is set too high. 

• Lower the brightness 

setting. 

Colors in the image are 
swapped; for example, reds 
appear blue or vice versa. 

• The Red/Pr, Green/Y or 

Blue/Pb outputs from the 
source are connected to 
the wrong inputs on the 
Brightness Acceleration 
Engine. 

• Ensure that the source 

outputs are connected to 
the correct Brightness 
Acceleration Engine input.