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GV-798 / GV-898 TELEVISION GENERATORS WITH CONFIGURABLE PATTERNS
Multistabdard and Multisystem TV Signal Generators GV-798 and GV-898, have the widest selection of functions for an instrumwnt of this type.
37 different patterns, including 16:9 formay , are the base over different configurations can be designed.
Those settings can then stored in 32 memories for later immendiate recall.
All the functions can be selected on three different menus presented on a backlighted graphic LCD display
The instrument includes the possibility to program two different colour logotypes taht can be moved . It does also include a clock possibility to display
different prestored messages.
All common interface connectors such as S-VHS, RGB, SCART .... are available on the rear panel.
The RS-232 interface is specially useful being bidirectional to control the instrument and for data exchange.
37 PATTERNS TO SATIFY ANY TEST NEEDS
VIDEO & AUDIO CONFIGURATION
SYNTHESISED RF OUTPUT
The tuning can be through frequency or channel according to the selected standard (CCIR, STDL, OIRT or FCC).
OUTPUT LEVEL
The otput RF signal level is adjustable in 1 dB steps . Maximum attenuation being 60 dB.
MULTISTANDARD
Systems available are: PAL (B,G,I,D,K), NTSC (M) and SECAN (L,D,K). Others are available upon request.
32 CONFIGURABLE MEMORIES
They allow to automatic selection of the prestored configurations.
FORMAT SELECTION
The format can be selected 4:3 or 16:9
SOUND MODULATION
Sound modulation can be slected among MONO, ZWEITON (B,G,D,K,M) and NICAM (B,G,I,L).
The modulation signal can be internal or external (except NICAM) and any of the channels (L o R)
can be removed. In the stereo modulations, the second carrier can be stereo or dual.
TELETEXT, VCR SYNCHRONISATION SIGNAL (VPS AND PDC), CLOCK AND INTERLACED CONFIGURATIOM
TELETEXT
It contains an index page and four data pages in 4 languages (English, Spanish, French, German).
Includes Clock Cracker.
VCR SYNCHRONISATION SIGNALS
The VPS (Video Program Service) and PDC (Program Delivery Control)
signals are information delivered by broadcasters during the transmission of the program to
synchronise the turn on and off on conpatible videos.
CLOCK
When Clock is turned on, this infomation appears at the on the right
hand lower
corner on all patterns..
INTERLACED
This turns on and off the interlacing
WSS(Wide screen Signal)
This signal actuates on 16:9 receivers incorporating this feature. It is possible
to generate eight different combination for the 4:3 , 14:9 and 16:9 formats.
SYNCRONISMS, LOGOTYPES, EUROCONNECTOR-SCART AND TEST SIGNALS (VITS CONFIGURATION)
SYNCHRONISM SELECTION
It is possible to select the polarity of the horizantal and vertical
synchtonism independently. It is also possible to activate the synchronism it the G output.
EUROCONNECTOR CONTROL
The FSTBK (Fast Blanking) signal activates the RGB inputs on television sets. Th Switch signal activates
audio and video on the Euroconnector.
TEST SIGNALS(VITS)
This function allows the activation of test signals for CCIR, UK and FCC standards.
LOGOTYPES GENERATOR
It is possible to insert 2 colour logotypes of variable sizes on any of the test patterns. They can be moved to different positionwithin the pattern.
VERTICAL SIDE BAND MODULATOR
 
GV-798
GV-898
Both TV Generator, the GV-798 and the GV-898, offer the same features regarding test patterns and
possible configuration. The difference is in the modulation type used. The GV-798 modulates the
TV signal in DOuble Side Band and the GV-898 modulates in Vestigal Side Band. With GV-898 the simulation of the on-air transmitted signals is optional
since this is the system used in broadcast of analogue signals.
Both generators have 1 dB step adjustable soutput levels..
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