background image

 

 
 

3.5.6. 

(Available) Frame Rates  

Settings: 60 and 50 Hz, 60, 50 and 24 Hz, 60, 50 and 48, 60, 50, 24 and 48 

Limits the possible output frame rates that can be selected. It is primarily to be able to limit the choices 
available for the Auto refresh rate configuration. 

 

3.5.5. 

I/O Lock  

Settings: ON, OFF 

If I/O Lock is switched off the output is run with a fixed refresh rate determined by the frame rate setting, 
which  deviates  from  the  input  refresh  rate,  even  if  both  are  nominally  at  the  same  rate.  This  causes 
occasional  frame  dropping  or  repeat.  If  I/O  Lock  is  on  the  output  refresh  rate  is  following  the  input 
refresh rate. This is achieved by modulating the output clock and works if input and output refresh rate 
are nominally at the same rate, when frame rate is set to 60Hz and the video input is also 60Hz. If the 
video input rate is 50 Hz and the Frame rate is set to 60Hz, the output is in free run mode. The status 
line of the OSD window under Sync Mode indicates if the output signal is locked to the input signal (I/O 
Locked) or in free run mode (Free Run) . 

 

3.5.6. 

Native Color Temp  

Settings: 5500, 6500, 7500, 9300, 10000 

Native  Color  Temp  allows  the  user  to  select  from  pre-configured  color  temperatures  to  match  the 
display. If both Native Color Temp set here in the Output menu and Color Temp set in the Color menu 
are set to the same value, no conversion is performed. 

  

3.5.7. 

Output Gamma  

Settings: 1.0 to 3.0 in steps of 0.1 

Output  gamma  allows  to  re-gamma  video  signals  with  pre-configured  gamma  values  to  match  the 
display.  Input  gamma  and  output  gamma  both  default  to  2.2.  If  they  are  both  set  to  the  same  value, 
there is no effect on the image. 

Note: If an adjustment to reduce the level of red in the image is required, select a higher number for the 
(input) Color Temp in the Color menu, or a lower number for the Native Color Temp in the Output menu. 

 

 

 

 

 

 

 

 

 

 

 
 
 
 
 

Summary of Contents for VP-791

Page 1: ...KRAMER ELECTRONICS LTD USER MANUAL MODEL VP 791 SDI to DVI HDMI Scaler...

Page 2: ...VP 791 Operating Instructions Version K 1 4...

Page 3: ...Kramer has tested the hardware firmware software and reviewed the documentation KRAMER MAKES NO WARRANTY OR REPRESENTATION EITHER EXPRESS OR IMPLIED WITH RESPECT TO THIS HARDWARE FIRMWARE SOFTWARE OR...

Page 4: ...6 Color 12 3 6 1 Black Level Offset 12 3 6 2 Black Level 12 3 6 3 Contrast 12 3 6 4 Saturation 12 3 6 5 Hue 12 3 6 6 RGB values 12 3 6 7 Color Temp 12 3 6 9 Input Gamma 12 3 7 Geometry 13 3 7 1 Horizo...

Page 5: ...FIRMWARE UPDATE 19 5 1 Introduction 19 5 2 Updating Firmware 19 ENVIRONMENTAL AND EMC 20 6 1 Recommended Operating Conditions 20 6 2 Storage 20 6 3 CE and FCC Compliance 20...

Page 6: ...FIED SERVICE PERSONNEL 4 TO PREVENT SHOCK OR FIRE HAZARD DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE IF SUCH EXPOSURE OCCURS REMOVE THE PLUG FROM THE MAINS OUTLET AND HAVE THE EXPOSED UNIT CHECKE...

Page 7: ...stem latency or it can be set to a fixed output frame rate for driving basic screens which are not 50Hz compatible Furthermore the VP 791 can be set to have the output resolution match the input resol...

Page 8: ...supply requiring a 100V 264VAC 50 and 60Hz mains connection 2 2 2 3GSDI Input Format SD SDI HD SDI YCbCr 4 2 2 serial digital component video 3G SDI 4 2 2 serial digital component video Input impedanc...

Page 9: ...VP 791 CONTROL 3 1 Menu Tree VP 791 Menu Tree 1 st Level 2 nd Level 3 rd Level 4 th Level...

Page 10: ......

Page 11: ......

Page 12: ...apply a change go to the menu item press the menu key and make a parameter change with the up and down key Confirm the change by pressing the Menu key This will also bring you back to the submenu Wit...

Page 13: ...3G SDI input 3 4 DVI I output connector only the digital DVI D is supported HDMI receivers can be connected with a DVI HDMI adapter cable 5 TCP IP port 6 USB port 7 RS232 port 8 Power supply connecto...

Page 14: ...rameters are specific to your chosen input channel and input signal type they are not global to the unit All Output parameters are global 3 4 Input The list of inputs are 3G SDI and Test Pattern Test...

Page 15: ...e If the HDMI DVI output does not behave as expected because the HDMI display is not evaluating AVInfoFrames properly the range can be changed manually A limited video range uses the following greysca...

Page 16: ...te is 50 Hz and the Frame rate is set to 60Hz the output is in free run mode The status line of the OSD window under Sync Mode indicates if the output signal is locked to the input signal I O Locked o...

Page 17: ...ps of 1 Control of video hue applies to all video inputs but not computer input signals or formats 3 6 6 RGB values This is a user defined color temperature setting whereby individual R G B gain and o...

Page 18: ...nd Barrel distortion of the lens or screen can be adjusted again Predefined warp maps for portrait mode applications are provided A 9 16 input image area is rotated and scaled such that it fills a 16...

Page 19: ...PTZ settings can be saved per signal mode or globally The Zoom slider allows to zoom into the image or shrink it When Aspect Lock is set to ON the separate slider for zooming vertically is greyed out...

Page 20: ...mprove detail definition and clarity without causing image ringing or ghosting It improves both horizontal and vertical detail Correct setting of the detail enhance filter can make SD signals look vir...

Page 21: ...Best Picture In Best Picture optimum image processing is applied in Low Latency mode the lowest latency is achieved The flicker of interlaced video is not suppressed totally for the latter setting Thu...

Page 22: ...ice versa it is strongly recommended that VP 791 is powered down after the change then powered back up so that it is properly recognised by other devices on the network In the Network Settings menu is...

Page 23: ...assigned to VP 791 can be found in the System Network Settings menu 4 3 Discovery Tool Kramer provides a DiscoveryTool exe Windows application to identify Kramer boxes in the network Clicking on the l...

Page 24: ...ed normally Whilst the Menu key is still pressed the 3GSDI input channel LED is flashing When in Updater mode the 3GSDI input channel LED is flashing two times repeatedly Now the USB connection betwee...

Page 25: ...are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency ener...

Page 26: ...ributors visit our Web site where updates to this user manual may be found We welcome your questions comments and feedback Web site www kramerelectronics com E mail info kramerel com SAFETY WARNING Di...

Reviews: