General; Description - Promax GV-698+ Manuel D'utilisation

Colour pattern generator GV-698+
COLOUR PATTERN GENERATOR

1 GENERAL

1.1 Description

The GV-698+ colour pattern generator is used for control and measurements,
maintenance and repair of TV and video equipments. Its application areas are
development, quality control, TV production studios, service workshops and training.
This instrument covers the frequency range from 35 to 900 MHz, with Vestigial
Side Band modulation.
It generates digitally 16 basic pattern charts, which extend to 22 when pushing
repeatedly the chart keys.
Colour signals can be codified in PAL (B/G/I/D/K/M/N systems), NTSC (M
system) or SECAM (L/D/K systems).
The GV-698+ incorporates WSS signal (Wide Screen Signaling) in 8 formats,
FLOP-TELETEXT in four languages and VPS and PDC signals for four countries. All
these signals are individually selectable.
It also provides a synthesised sound modulator for all the systems previously
described. Besides it incorporates the ZWEITON stereo-dual system in B/G/D/K/M
format and NICAM in B/G/I/L format.
It incorporates 32 memories where different configurations may be stored for a
later easy access by means of the rotary selector. All the configurations can take
control of the combination of the rotating selector and the keyboard, visualizing in
display alphanumeric of two lines.
The RF signal can be selected by channel or by frequency, in 50 kHz
increments and to attenuate it 50 dB in 10 dB steps. Channel/frequency and
attenuation information is shown on the graphic display.
It also includes video output, SCART connector, S-VHS connector, output for
complete synchronism, output for RGB switchable to Y P
adding synchronism on green (Y) or on luminance signals and It's also available a
connector for remote control with the RS-232C bus.
07/2018
GV-698+
P signals with possibility of
b r
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