BenQ Fp91gx User Manual

31 Troubleshooting  
The image is distorted, flashes or flickers:
Read the How to adjust the screen resolution section and then select the correct resolution, 
refresh rate and make adjustments based on these instructions.
The image is displaced in one direction:
Read the How to adjust the screen resolution section and then select the correct resolution, 
refresh rate and make adjustments based on these instructions..
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If your problems remain after checking this manual, please contact your...

  32   Supported operating modes
Supported operating modes
•Modes not listed in the table may not be supported. For an optimal picture, we recommended you 
choose a mode listed in the table above.
•There are 22 available modes that are compatible with Windows. 
•Image disruption may occur as a result of signal frequency differences from VGA cards which do 
not correspond with the usual standard. This is not, however, an error. You may improve this 
situation by altering an automatic setting or by...

33 Specifications   
Specifications
BenQ FP91GP
11
111
ModelFP91GP
Display type 
Viewable diagonal 
Native (maximum) resolution
Colors
Contrast / Brightness
Response time *
Viewing angle (left/right, up/down)  19.0 , active, TFT
480 mm
1,280X1,024
16.7 million
1000:1 / 250 cd/m
2
20 ms (Typ.)
  8 ms (GTG)
170, 170 (CR=10)
178, 178 (CR=5)
Line frequency 
Image frequency 31 - 81 kHz Multi- 
frequency monitor
56 - 76 Hz modes within these parameters
Image checks 
Controls 
Functions Digital, OSD...

  34
   Specifications
*   Response Time: The time it takes to switch a pixel off and then on and then off again (or from black 
to white and back to black).  A low response time is desirable for the display of moving images 
without ghosting. The Response Time quoted for ma ny LCD monitors is specific to transitions 
from black to white and back again, it does not specify the time required to switch between the 
many gray levels or colors that make up an image. 
Gray to Gray or GTG Response Time:...

35 Specifications   
BenQ FP91GX
ModelFP91GX
Display type 
Viewable diagonal 
Native (maximum) resolution
Colors
Contrast / Brightness
Response time *
 
Viewing angle (left/right, up/down)  19.0 , active, TFT
480 mm
1,280X1,024
16.2 million
550:1 / 270 cd/m
2
8 ms (Typ.)
4 ms (GTG)
140, 135 (CR=10)
160, 160 (CR=5)
Line frequency 
Image frequency 31 - 81 kHz Multi- 
frequency monitor
56 - 76 Hz modes within these parameters
Image checks 
Controls 
Functions Digital, OSD Technology,
 iKey  (automatic...

  36
   Specifications
*   Response Time: The time it takes to switch a pixel off and then on and then off again (or from black 
to white and back to black).  A low response time is desirable for the display of moving images 
without ghosting. The Response Time quoted for ma ny LCD monitors is specific to transitions 
from black to white and back again, it does not specify the time required to switch between the 
many gray levels or colors that make up an image. 
Gray to Gray or GTG Response Time:...