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NRS70 Series
SECTION 2
NRS70OPS
070803 Version 1 Issue 2
www.snellwilcox.com
2.1
Technical Profile NRS70 Versions
Features
Signal Inputs
SDI
2 via BNC connector - SMPTE
259M –1997 and embedded audio
SMPTE 272M level A
Composite
2 via BNC connectors
Y/C
1 via 2 BNC connectors
AES/EBU Audio
2 x BNC; Unbalanced, 25-100kHz
asynchronous or 48kHz
synchronous to input video –
SMPTE 276M-1995
Reference (525)
1 via Loop-Through BNC
connectors
Reference (625)
1 via Loop-Through BNC
connectors
Signal Outputs
Composite
2 programme outputs via BNC
connectors
Y/C
1 programme output via 2 x BNC
connectors
Serial Digital
Component (SDI)
2 outputs via BNC connectors
AES/EBU Audio
2 x BNC; Unbalanced, 48KHz
synchronous to output video
Control Interface
GPI I/O
2 via BNC connectors Closing
contact Input/Output
RollCall
Via BNC connector
Remote
S & W RollCall RS485 or RS422
@ 38 kB via 9 way D connector
Front Panel Controls
Input Select
Composite A/B, SDI A/B, Y/C
Audio
Y Gain
C Gain
Black Level
Hue
Noise Reduction
On / Off
Noise Reduce Level
Y Noise Reduction Level Off / Low
/ Medium / High
C Noise Reduction Level Off / Low
/ Medium / High
Recursive Threshold
Auto + 7 manual levels
Enhance
On / Off
Memories
8 locations
Genlock
On / Off
Browse
Setup
Audio Controls
Gain L & R
Separate L & R controls for each
embedder
± 6dB in 0.25dB steps
Invert L & R
Separate L & R controls for each
embedder On / Off
Mute L & R
Separate L & R controls for each
embedder On / Off
Disable
Separate controls for each
embedder On / Off
Default Output
Separate controls for each
embedder
Tone, Silence, Disable
Audio delay
1 – 160 ms
Tone Setup:
Amplitude
-30dBFS to 0dBFS in 1dB steps
Frequency
100Hz to 10kHz in 100Hz steps
Right Channel Ident
Pulse interruption every ~2s
Indicators
Input Loss
Reference Loss
Information
Readback
Audio
Embedded channel data present,
AES inputs present
EDH
present : error minute : error hour
Delay
Software Version
Serial Number
Unit temperature
OK, Near Limit, and Overheating
Additional
RollCall™
Functions
Logging
Reference, Input, Output
Standard, EDH, AES Inputs,
RollTrack
Set up to 10 unit destinations for
Input Loss, Input restore or Delay
information
System Parameters
Internal Processing
4:2:2 with 10 bit or greater data
paths
Encoder
Composite Encoding
12 bit
Y Frequency Response
5.5 MHz ± 0.05 dB
U/I/Db & V/Q/Dr
Frequency Response
1.3 MHz <-3 dB, 4.0MHz <-20dB
Differential Gain
Better than 0.2%
Differential Phase
Better than 0.2°
SCH Phase
0 ± 2°