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CVR250
SECTION 2
CVR250OPS
20/10/06
www.snellwilcox.com
Version 1 Issue 4
2.1
Technical Profile
Features
Signal Inputs
SDI
2 via BNC connectors - SMPTE
259M –1997
Composite
2 via BNC connectors
Reference (525)
1 via Loop-Through BNC
connectors
Reference (625)
1 via Loop-Through BNC
connectors
Separated Y/C
1 via 2 x BNC connectors
Signal Outputs
Composite
2 program outputs via BNC
connectors
Separated Y/C
1 program output via 2 x BNC
connectors
Serial Component
2 outputs via BNC connectors
Control Interface
GPI
2 via BNC connectors Closing
contact Input/Output
RollCall
Via BNC connector (single
session)
Remote
S & W RollCall RS485 or RS422
@ 38 kB via 9 way D connector
(optional)
Front Panel
Controls
Input Select
Composite A/B, SDI A/B, YC
Pattern
On / off
Enhance
On / off
Output standard
525 / 625
Y Gain
±6 dB
C Gain
±3 dB
Black Level
±100 mV
NTSC Hue
±30°
Memory
1, 2, 3 Direct Access
Genlock
On / off
Browse
Setup
Other Controls
Luminance Noise
Reduce
Off, Low, Medium, High
Chrominance Noise
Reduce
Off, Low, Medium, High
Horizontal position
± half picture width continuously
variable
Vertical position
± half picture height continuously
variable
Picture timing:
Y/C Timing
± 444 ns in steps of 148ns
Picture Position/phase
± 592 ns in steps of 148ns
Enhance:
Horizontal
enhancement
[off, low, medium, high]
Vertical enhancement
[off, low, medium, high]
Picture Timing
On /Off
Size:
Horizontal size
50% to 200% continuously
variable
Vertical size
50% to 200% continuously
variable
Proc Amp
On / off
Noise Reduction
On / off
Freeze
On / off
Preset Controls
Border color
RGB control
Pattern Select
Black / 100% Color Bars / 75%
Color Bars / Ramp / Multiburst
Genlock H Phase
± 114 µs
Gamut Legalizer
On / off
Default Output
[Freeze, Black, Pattern]
Memory
[store / name]
GPI function
Programmable to most menu
functions through user memories
or delay output.
Encoder Controls
Composite Output
Standard
625 - PAL, PALN, SECAM
525 - NTSC, NTSC-J, PAL-M,
N443
Genlock SC Phase
±180 degrees
VITS insert
On / off
Noise Reducer
Controls
Y Noise Reduction
Level
[Off / Low / Medium / High]
C Noise Reduction
Level
[Off / Low / Medium / High]
Sparkle Filter
On / off
Noise measurement
Auto / Manual
Manual Threshold Level
Auto + 7 levels
Decoder Controls
Input Standard
Auto / Manual - NTSC, PAL,
PALM, N443, PALN, SECAM,
NTSCJ
ACC
On / Off
AGC
On / Off