4
Overview
The Emitor Combolook Color
HD
is a Swedish designed Satellite TV/CATV instrument
and spectrum analyzer. The unit was designed for the exact alignment and adjustment of
satellite dishes, terrestrial antennas, as well as trouble-shooting and quality control of
MDU systems layout including CATV networking.
This instrument was designed for the professional when accurate and precise information
is needed. With ease of operation through powerful processor technology, basic
operation is achieved with only a few controls. The functions are easy to access and only
take minutes to learn. Many functions can be controlled by the enclosed Remote
control.
A 5 inch 16:9 color TFT-LCD display is provided which shows either normal “Free to air”
satellite TV channels in Analog or DVB-S, CATV Analog and Digital channels, the
frequency spectrum or a Constellation diagram and digital information regarding the
signal.
Menus and help displays are shown on the LCD screen (64x128) beside the monitor and a
keypad is used for the function selection. The knob is used for frequency and other
operations. A remote control is provided which allows most of the keypad commands to
be used to control the instrument.
The Combolook functions as both an instrument for use in Satellite and terrestrial TV or
CATV. The mode of operation is selected at power on, and to conserve battery life only
the necessary functions are enabled. Switching modes can be done at power on or by
menu selection.
Satellite Instrument Mode
The Spectrum shown enables the measurement of the satellite spectrum in resolution
steps of 1 MHz to 10 MHz making it easy for the skilled installer to know what satellite
he is receiving and make more detailed measurements. The Spectrum function spans the
frequency band 920-2150 MHz and can be expanded from 4 MHz down to 1 MHz steps.
Automatic frequency conversion to the user defined LNB type is shown on screen so no
calculations are needed to determine the Satellite frequency. Cross polarization at a
frequency can be easily checked with the cross polarization function. The instrument has
high resolution for accuracy. It presents measured data ±2 dB (at 20
o
C). Frequency
tuning is done with the main knob in frequency steps between 4 MHz and 1 MHz
depending on the span of the spectrum. When the spectrum is displayed, Automatic
Spectrum Identification is provided by accessing the NIT information by hunting for a
DVB-S signal from one of the transponders. The Analog Picture mode can display a
multistandard PAL, NTSC and SECAM picture and accepts audio frequencies between 5.5
and 8.5 MHz. Analog pictures can be viewed either directly using the spectrum as a
guide, or recalled from 100 user defined memory positions.
The Digital Mode shows extended information of Modulation, SIG, SNR, BER, MER, and a
constellation diagram. The Satellite Name and position are shown using the Network
Information Table in the MPEG transport stream. Channel detail (or Service Information)
can also be displayed for a transponder if needed.