Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Summary of Contents for VISTEK V1640A
-
Page 1: Installation And Operation
V1640A SDI VIDEO SYNCHRONISER INSTALLATION and OPERATION © Vistek Electronics Ltd Filename: v1640om_b.doc Issue October, 03 VISTEK Electronics Ltd Wessex Rd Bourne End Buckinghamshire, SL8 5DT ENGLAND Tel. +44 1628 531221 Fax. +44 1628 530980 29 October, 2003 v1640Aom_b.doc / B... - Page 2 The V1640A SDI Video Synchroniser is a full broadcast specification Frame Synchroniser forming part of the Vistek V1600 range of interface products. It is a 3U high module which can be fitted to either the 1U V1601 or 3U V1603 chassis from which it receives its power. It replaces the existing V1640 module with which it is fully compatible.
-
Page 3: Rear Panel Connections
RJ45 DARTNET connection. Only used in on position in 1U rack. 2.3 POWER CONSUMPTION The V1640A power consumption is 6.5W 2.4 INSERTION DELAY The insertion delay is, of course, variable over a frame. If the input and reference frame rates are different then the delay will vary. - Page 4 2.5 DELAY O/P The Delay O/P signal is a TTL levels rectangular wave. The period is the same as the frame rate (40ms for 625/50 and 33.3ms for 252/60) but the mark-space ratio varies according to the amount of delay. Delay Frame The minimum pulse width, either positive or negative, is 37ns.
- Page 5 Network. If DART is used then any DART controller, with knowledge of the V1640A can be used. Vistek can provide either the V1605 1U control panel or VIEWFIND which is a PC based universal control system. Any DART controller can be used, provided it has ‘knowledge’ of the V1640A.
- Page 6 3.3 INDICATIONS 3.3.1 POWER The power LED, marked +V, indicates that the 5V VCC power rail is present on the board. This shows not only that power has been applied to the rear, but also that the on board regulator is functioning.
- Page 7 3.3.6 STATUS LEDs These three LEDs give a guide as to the state of the variable parameters. It is clearly not possible to give a full representation using only three LEDs but the following table shows how most of the important information is conveyed.
-
Page 8: Offset Adjustments
Since the whole frame is frozen all three freeze options are available without having to re-freeze the input signal. The Digital Black and Colour Bars are generated on the output side of the V1640A but the input processing and front panel indications are still active. The Colour Bars are so-called ‘hard’ bars in that they have no transition edge shaping. -
Page 9: Minimum Delay
The ‘normal’ setting for the V1640A is to pass the VBI data, but to blank the Ancillary data. If the Ancillary data is set to blank then ALL information between the EAV and SAV is removed, not just audio data. - Page 10 3.11.1 DEFAULT STANDARD This switch sets the operating standard when there is no input or reference. This can be useful during system installation when an output SDI signal may be needed of the correct format with no input or reference. For example the non broadcast quality colour bars may be used. The unit does ‘remember’...
-
Page 11: Troubleshooting
4. TROUBLE SHOOTING SYMPTOM POSSIBLE CAUSE AND CURES Cannot select Is power applied? Observe the +5V LED. parameter on Front Panel. Cannot select Hadj or Vadj Min Del parameter is set. Section 3.9. parameters, but others are Lock-Adj is set. Section 3.11.2. Changing Hadj and Vadj No reference and REF FL MODE is DOWN so setting has no effect.
Need help?
Do you have a question about the V1640A and is the answer not in the manual?
Questions and answers