Crystal Vision ShARC-XP Manual de usuario
Crystal Vision Ltd., Lion Technology Park, Station Road East, Whittlesford, Cambridge, CB22 4WL, England.
E-mail: [email protected] Website: www.crystalvision.tv Tel: +44(0) 1223 497049 Fax: +44(0) 1223 497059
ShARC-XP
Horizontal aspect ratio converter
ShARC-XPUserManualR2.1 Crystal Vision
121/09/05
Contents
1 Introduction 3
2 Hardware installation 6
2.1 Module configuration 6
2.2 Jumper links 6
2.3 Remote control protocol 7
2.4 Rear modules and signal I/O 7
RM01 7
2.5 General Purpose Interface (GPI) 8
Remote connections 8
4U frame GPI connections 10
2U frame GPI connections 11
1U frame GPI connections 11
DTB-AV desk top box GPI connections 11
Indigo DT desk top box GPI connections 12
3 Card edge operation 13
3.1 LED status indication 13
3.2 Board edge DIP switches 14
4 Using the active front panel 15
4.1 Module selected 15
4.2 The ShARC-XP menu structure 17
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5Statesman 19
5.1 Installing Statesman 19
5.2 Statesman operation 20
6 Trouble shooting 23
6.1 Card edge monitoring 23
Status LEDs 23
6.2 Fault finding guide 25
7 Specification 26
Crystal Vision Introduction
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1 Introduction
The ShARC102-XP is a single channel, broadcast quality, 10 bit serial digital video aspect
ratio converter. The ShARC204-XP is a dual 10 bit serial digital video aspect ratio
converter permitting 24 independent channels in a 2U frame. The module can be controlled
locally from the card edge or by frame active front panel. Remote control is possible using
Crystal Vision’s active control panel REMIND, or Statesman PC Control Software. The
GPI port can also be used for 442 control or simple switching, providing a final method of
remote use.
Dedicating the image processing to these conversions allows a higher quality output
compared with multi-purpose ARCs. The result is low levels of aliasing and banding
coupled with a wide frequency response. No vertical processing is employed so the
propagation delay is minimised.
Two main operational modes are available for each channel: convert mode and bypass
mode. In each convert mode, two conversion types are available.
One stretches horizontally the central 75% of the input image to the full width of the output
picture monitor. This permits a 16:9 input to be displayed correctly on a 4:3 picture
monitor. The second conversion squashes horizontally the entire input image to 75% of its
size and puts this in the centre of the output image with black bands down the sides. This
permits a 4:3 input to be displayed correctly on a 16:9 picture monitor.
ShARC-XP conversions
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625 or 525 line standard outputs are produced with automatic standard detection. EDH
transmission is added to the output. Digital audio and 10 bit ancillary data is passed
through unprocessed. There is a fixed propagation delay of 10s between input data and
output data even when bypass mode is selected.
The unit will plug into the front of the rack frame and the universal connection system will
allow a mixture of Crystal Vision modules, without the use of extra rear panels, in 4U, 2U,
1U frames and desk top boxes.
The hinged front panel of the case reveals user control of the card and also LED indication
of status. There is a four way piano switch to select modes of operation. Further
configuration is possible using movable links.
ShARC102-XP
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The ShARC204-XP has 2 channels with independent control of their respective conversion
settings.
ShARC204-XP
Both the ShARC102-XP and ShARC204-XP have up to five methods of control.
•Board edge switches allow control and monitoring of conversion status
•Active control panel, either frame front or remote panel (REMIND)
•Statesman PC Control
•General Purpose Interface (GPI) with status ‘tally’
•Third party 422 control via GPI port
Crystal Vision Hardware Installation
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2 Hardware installation
2.1 Module configuration
The ShARC-XP has a large number of jumper links of which two sets are user adjustable.
The remainder jumper links are factory set and should not be reconfigured by the user, as
it is likely to result in the board malfunctioning. Where there is an NTSC requirement to
place closed caption data on lines 20/21 the ShARC-XP can leave these lines
unprocessed.
+
The ShARC204-XP module
2.2 Jumper links
Link Text Description
J1 GPI0
RX1B
Default position. Allows use of GPI control.
Enables GPI port 422 comms.
J4 GPI1
RX1A
Default position. Allows use of GPI control.
Enables GPI port 422 comms.
J16 GPI2
TX1A
Default position. Allows use of GPI control.
Enables GPI port 422 comms.
J17 GPI3
TX1B
Default position. Allows use of GPI control.
Enables GPI port 422 comms.
J10 None Default towards edge connector. All lines processed.
Towards broad front. Lines 20/21 unprocessed (NTSC only).
Note: Links J1, J4, J16 and J17 are all to be moved together.
ShARC204-XP
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2.3 Remote control protocol
Baud rate 19200
Parity None
Data bits 8
Stop bits 1
Hand shaking None
Please contact factory for remote protocol.
The NODE rotary switch SW2 selects one of 16 different remote protocol addresses for
the board when used in Crystal Vision frames FR1-6 and FR2-12. The NODE rotary
switch SW2 should be left in the ‘0’ position when used in an FR2-12AV or frame from
the Indigo range. The remote protocol address can be read from the slot position the board
is plugged into.
2.4 Rear modules and signal I/O
The Indigo 4 4U frames will house up to 24 single height modules with up to three power
supplies. The FR2AV and Indigo 2U frames will house up to 12 single height modules
and have dual power supplies. The FR1AV and Indigo 1U frames will house six single
height modules and a single power supply. The DTBAV and Indigo desk top boxes have a
built-in power supply and will house up to two single height modules.
RM01
RM01 modular rear connector for ShARC102-XP Description
N/C SDI OUT (B) SDI OUT (A) N/C SDI IN N/C
ZLA00297 ShARC102-XP RM01
RM01(ZLA00297 artwork)
•24 ShARC-XP modules per
4U Indigo 4 frame
•12 per 2U Indigo 2 frame
•Six per 1U Indigo 2 frame
•Two in an Indigo desk top box
•All frame slots can be used
Crystal Vision Hardware Installation
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BNC Function
N/C No connection
SDI IN Serial digital input
N/C No connection
SDI OUT (A) Serial digital output
SDI OUT (B) Serial digital output
N/C No connection
RM01 modular rear connector for ShARC204-XP Description
SDI OUT (2B) SDI OUT (1B) SDI OUT (1A) SDI IN (2) SDI IN (1) SDI OUT (2A)
ZLA00298 ShARC204-XP RM01
RM01(ZLA00298 artwork)
•24 ShARC-XP modules per
4U Indigo 4 frame
•12 per 2U Indigo 2 frame
•Six per 1U Indigo 2 frame
•Two in an Indigo desk top box
•All frame slots can be used
Note: One ShARC-XP card can be fitted to each RM01 rear module.
BNC Function
SDI OUT (2A) Channel 2 serial digital output 2 (ShARC204-XP only)
SDI IN (1) Channel 1 serial digital input
SDI IN (2) Channel 2 serial digital input (ShARC204-XP only)
SDI OUT (1A) Channel 1 serial digital output 2
SDI OUT (1B) Channel 1 serial digital output 1
SDI OUT (2B) Channel 2 serial digital output 2 (ShARC204-XP only)
Note: For details of fitting rear connectors please refer to the appropriate frame manual.
2.5 General Purpose Interface (GPI)
ShARC-XP, as with most Crystal Vision modules, is equipped with GPI control I/O.
Remote control of the aspect ratio conversion mode on each channel other than via the
serial remote protocols is possible.
Remote connections
For Channel 1, DIL 1 and DIL 2 need to be in the ‘UP’ position. Jumpers on J1, J4, J16
and J17 need to be moved on to their GPI position. Remote control via auxiliary RS422
will no longer be possible. In this configuration a remote switch shorting to ground can be
as defined below. Pull-up resistors are already present.
Crystal Vision Hardware Installation
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For Channel 2, DIL 3 and DIL 4 need to be in the ‘UP’ position. Likewise jumpers on J1,
J4, J16 and J17 need to be moved on to their GPI position. Again remote control via
auxiliary RS422 will no longer be possible. In this configuration a remote switch shorting
to ground can be as defined below. Pull-up resistors are already present.
Each slot has an associated set of connections on a socket and on a plug. The letters in the
table below refer to the connections described elsewhere in the manual.
Each slot has an associated set of connections on the frame rear-panel remote connectors.
The tables below show the GPI connections and describe their action.
GPI
Remote
4:3 input to
16:9 output
16:9 input to
4:3 output
4:3 input to
16:9 output
16:9 input to
4:3 output
Bypass
Bypass
0‘a’ High Low High Low
1‘b’ Ch1 High High Low Low
2‘c’ High Low High Low
3‘d’
Ch2
(204-XP) High High Low Low
4‘e’ High Low Low High High High High
5‘f’
‘tally out’
‘tally out’ High High High Low Low High High
Table showing GPI (General PurposeInterface) control
As supplied, each GPI output has a 330Ohm resistor in series with its output. This allows
for an external LED to be driven, connected to a DC voltage of +5V.
Note: Latching switches are required
If DIP switches are used and then GPI is used, the last GPI command becomes the control
method. This may lead to the DIP switch settings not corresponding to the output. To
resume DIP control again, toggle the required DIP switch.
Tabla de contenidos
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